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WO2020062893A1 - 光学成像镜头 - Google Patents

光学成像镜头 Download PDF

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Publication number
WO2020062893A1
WO2020062893A1 PCT/CN2019/087374 CN2019087374W WO2020062893A1 WO 2020062893 A1 WO2020062893 A1 WO 2020062893A1 CN 2019087374 W CN2019087374 W CN 2019087374W WO 2020062893 A1 WO2020062893 A1 WO 2020062893A1
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Prior art keywords
lens
optical imaging
object side
image side
imaging lens
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Ceased
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PCT/CN2019/087374
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English (en)
French (fr)
Inventor
周鑫
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Zhejiang Sunny Optics Co Ltd
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Zhejiang Sunny Optics Co Ltd
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Application filed by Zhejiang Sunny Optics Co Ltd filed Critical Zhejiang Sunny Optics Co Ltd
Publication of WO2020062893A1 publication Critical patent/WO2020062893A1/zh
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses

Definitions

  • the present application relates to an optical imaging lens, and more particularly, to an optical imaging lens including seven lenses.
  • the present application provides an optical imaging lens that is applicable to portable electronic products and can at least solve or partially solve at least one of the above disadvantages in the prior art.
  • the present application provides such an optical imaging lens, which includes, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, Sixth lens and seventh lens.
  • the first lens may have positive power
  • the second lens may have power, and its object side may be convex
  • the third lens may have power
  • the fourth lens may have negative power, and its object side and image side Both can be concave
  • the fifth lens can have a power
  • the sixth lens can have a negative power and its image side can be concave
  • the seventh lens has a power.
  • the separation distance T23 can satisfy 2 ⁇ T56 / (T12 + T23) / 5 ⁇ 3.
  • the effective focal length f6 of the sixth lens and the effective focal length f1 of the first lens may satisfy -2.5 ⁇ f6 / f1 ⁇ -1.
  • the curvature radius R1 of the object side of the first lens and the curvature radius R3 of the object side of the second lens may satisfy 0 ⁇ R1 / R3 ⁇ 0.5.
  • the curvature radius R7 of the object side of the fourth lens and the curvature radius R1 of the object side of the first lens may satisfy -8.5 ⁇ R7 / R1 ⁇ -6.
  • the curvature radius R8 of the image side of the fourth lens and the curvature radius R12 of the image side of the sixth lens may satisfy 1 ⁇ R8 / R12 ⁇ 2.
  • the combined focal length f123 of the first lens, the second lens, and the third lens and the effective focal length f3 of the third lens may satisfy 0 ⁇ f123 / f3 ⁇ 0.5.
  • the distance from the intersection of the image side of the fourth lens and the optical axis to the effective radius apex of the fourth lens on the axis is the distance from the intersection of SAG42 to the object side of the fifth lens and the optical axis to the object side of the fifth lens.
  • the distance SAG51 on the axis of the radius apex can satisfy -3 ⁇ SAG42 / SAG51 ⁇ -0.5.
  • the combined focal length f45 of the fourth lens and the fifth lens and the combined focal length f67 of the sixth lens and the seventh lens may satisfy 0 ⁇ f45 / f67 ⁇ 0.6.
  • the separation distance T56 on the optical axis of the fifth lens and the sixth lens and the separation distance T67 on the optical axis of the sixth lens and the seventh lens may satisfy 2.5 ⁇ T56 / T67 ⁇ 3.5.
  • the center thickness CT2 of the second lens on the optical axis, the center thickness CT5 of the fifth lens on the optical axis, and the center thickness CT7 of the seventh lens on the optical axis may satisfy 0.5 ⁇ (CT2 + CT5). /CT7 ⁇ 1.5.
  • the maximum half field angle HFOV of the optical imaging lens can satisfy 22 ° ⁇ HFOV ⁇ 29 °.
  • This application uses seven aspheric lenses. By reasonably distributing the power, surface shape, center thickness of each lens, and the axial distance between each lens, the above-mentioned optical imaging lens has a long focal length and is miniaturized. , Good processing characteristics, high imaging quality, and at least one beneficial effect.
  • FIG. 1 shows a schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application
  • FIGS. 2A to 2D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 1; curve;
  • FIG. 3 shows a schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application
  • FIGS. 4A to 4D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 2; curve;
  • FIG. 5 shows a schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application
  • FIGS. 6A to 6D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 3, respectively. curve;
  • FIG. 7 shows a schematic structural diagram of an optical imaging lens according to Embodiment 4 of the present application
  • FIGS. 8A to 8D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 4; curve;
  • FIG. 9 shows a schematic structural diagram of an optical imaging lens according to Embodiment 5 of the present application
  • FIGS. 10A to 10D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 5; curve;
  • FIG. 11 shows a schematic structural diagram of an optical imaging lens according to Embodiment 6 of the present application
  • FIGS. 12A to 12D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves and magnification chromatic aberrations of the optical imaging lens of Embodiment 6 curve;
  • FIG. 13 shows a schematic structural diagram of an optical imaging lens according to Embodiment 7 of the present application
  • FIGS. 14A to 14D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 7; curve;
  • FIG. 15 shows a schematic structural diagram of an optical imaging lens according to Embodiment 8 of the present application
  • FIGS. 16A to 16D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 8 respectively. curve;
  • FIG. 17 shows a schematic structural diagram of an optical imaging lens according to Embodiment 9 of the present application
  • FIGS. 18A to 18D respectively show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 9; curve;
  • FIG. 19 shows a schematic structural diagram of an optical imaging lens according to Example 10 of the present application
  • FIGS. 20A to 20D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Example 10, respectively. curve;
  • FIG. 21 shows a schematic structural diagram of an optical imaging lens according to Embodiment 11 of the present application
  • FIGS. 22A to 22D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Embodiment 11 respectively. curve.
  • first, second, third, etc. are only used to distinguish one feature from another feature, and do not indicate any limitation on the feature. Therefore, without departing from the teachings of this application, a first lens discussed below may also be referred to as a second lens or a third lens.
  • the thickness, size, and shape of the lens have been slightly exaggerated.
  • the shape of the spherical or aspherical surface shown in the drawings is shown by way of example. That is, the shape of the spherical or aspherical surface is not limited to the shape of the spherical or aspherical surface shown in the drawings.
  • the drawings are only examples and are not drawn to scale.
  • the paraxial region refers to a region near the optical axis. If the lens surface is convex and the convex position is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the concave position is not defined, it means that the lens surface is at least in the paraxial region. Concave.
  • the surface of each lens closest to the subject is called the object side of the lens, and the surface of each lens closest to the imaging plane is called the image side of the lens.
  • An optical imaging lens may include, for example, seven lenses having optical power, that is, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a first lens. Seven lenses. These seven lenses are arranged in order from the object side to the image side along the optical axis, and each adjacent lens can have an air gap.
  • the first lens may have positive power
  • the second lens may have positive power or negative power
  • the object side may be convex
  • the third lens may have positive power or negative power
  • the four lenses may have negative power, the object side may be concave, and the image side may be concave
  • the fifth lens may have positive or negative power
  • the sixth lens may have negative power, and the image side may be Concave surface
  • seventh lens has positive or negative power.
  • the object-side surface of the first lens may be a convex surface.
  • one of the object-side surface and the image-side surface of the seventh lens is a convex surface, and the other surface is a concave surface.
  • the optical imaging lens of the present application can satisfy the conditional expression 2 ⁇ T56 / (T12 + T23) / 5 ⁇ 3, where T56 is the distance between the fifth lens and the sixth lens on the optical axis, T12 is the distance between the first lens and the second lens on the optical axis, and T23 is the distance between the second lens and the third lens on the optical axis. More specifically, T56, T12, and T23 can further satisfy 2.25 ⁇ T56 / (T12 + T23) /5 ⁇ 2.56.
  • the rational distribution of the air intervals on the optical axis of the first lens, the second lens, the third lens, and the fifth lens and the sixth lens is conducive to satisfying the processability of the lens, and can effectively reduce the size of the rear end of the optical imaging lens. Avoid oversized optical imaging lenses.
  • the optical imaging lens of the present application can satisfy the conditional expression 1 ⁇ R8 / R12 ⁇ 2, where R8 is the radius of curvature of the image side of the fourth lens, and R12 is the radius of curvature of the image side of the sixth lens . More specifically, R8 and R12 can further satisfy 1.05 ⁇ R8 / R12 ⁇ 1.60.
  • Reasonably controlling the curvature radius of the image side of the fourth lens and the curvature radius of the image side of the sixth lens can help reduce the optical power of the image side lens of the optical imaging lens and make the optical imaging lens have a better ability to balance chromatic aberration and distortion.
  • the optical imaging lens of the present application may satisfy a conditional expression -2.5 ⁇ f6 / f1 ⁇ -1, where f6 is an effective focal length of the sixth lens and f1 is an effective focal length of the first lens. More specifically, f6 and f1 can further satisfy -2.26 ⁇ f6 / f1 ⁇ -1.38.
  • Reasonably distributing the effective focal lengths of the sixth lens and the first lens helps the optical imaging lens to achieve the characteristics of telephoto. At the same time, this arrangement is also conducive to improving the ability to converge the light, adjusting the focus position of the light, and shortening the total length of the optical imaging lens.
  • the optical imaging lens of the present application can satisfy a conditional expression -8.5 ⁇ R7 / R1 ⁇ -6, where R7 is a radius of curvature of the object side of the fourth lens and R1 is The radius of curvature. More specifically, R7 and R1 can further satisfy -8.20 ⁇ R7 / R1 ⁇ -6.18.
  • the curvature radius of the object side of the fourth lens and the curvature radius of the object side of the first lens are reasonably allocated. It can effectively balance the astigmatism of the optical imaging lens and further ensure the miniaturization of the optical imaging lens.
  • the optical imaging lens of the present application can satisfy the conditional expression 0 ⁇ R1 / R3 ⁇ 0.5, where R1 is the radius of curvature of the object side of the first lens and R3 is the radius of curvature of the object side of the second lens . More specifically, R1 and R3 can further satisfy 0.21 ⁇ R1 / R3 ⁇ 0.38.
  • the rational distribution of the curvature radius of the object side of the first lens and the curvature radius of the object side of the second lens enables the optical imaging lens to have a strong ability to balance astigmatism, which is conducive to the reasonable control of the main light deflection angle and further ensures miniaturization.
  • the optical imaging lens of the present application can satisfy a conditional expression of 0 ⁇ f123 / f3 ⁇ 0.5, where f123 is a combined focal length of the first lens, the second lens, and the third lens, and f3 is a distance of the third lens. Effective focal length. More specifically, f123 and f3 can further satisfy 0 ⁇ f123 / f3 ⁇ 0.36. Reasonably selecting the ratio of the combined focal length of the first lens, the second lens, and the third lens to the effective focal length of the third lens can correct the aberrations and achieve the telephoto characteristics of the lens. At the same time, it is conducive to making the degree of freedom of change of the lens surface higher, thereby improving the ability of the optical imaging lens to correct astigmatism and field curvature.
  • the optical imaging lens of the present application can satisfy the conditional expression -3 ⁇ SAG42 / SAG51 ⁇ -0.5, where SAG42 is the effective radius from the intersection of the image side of the fourth lens and the optical axis to the image side of the fourth lens.
  • the distance on the axis of the vertex, SAG51 is the distance from the intersection of the object side of the fifth lens and the optical axis to the effective radius vertex of the object side of the fifth lens.
  • SAG42 and SAG51 can further satisfy -2.56 ⁇ SAG42 / SAG51 ⁇ -0.99.
  • the optical imaging lens of the present application may satisfy a conditional expression of 0 ⁇ f45 / f67 ⁇ 0.6, where f45 is a combined focal length of the fourth lens and the fifth lens, and f67 is a distance of the sixth lens and the seventh lens. Combined focal length. More specifically, f45 and f67 can further satisfy 0.26 ⁇ f45 / f67 ⁇ 0.51. Proper control of f45 and f67 can achieve the telephoto characteristics of the lens while correcting aberrations. At the same time, it helps to appropriately shorten the total length of the optical imaging lens and meet the requirements of thin and thin lenses.
  • the optical imaging lens of the present application can satisfy the conditional expression 2.5 ⁇ T56 / T67 ⁇ 3.5, where T56 is the distance between the fifth lens and the sixth lens on the optical axis, and T67 is the sixth lens and The separation distance of the seventh lens on the optical axis. More specifically, T56 and T67 can further satisfy 2.56 ⁇ T56 / T67 ⁇ 3.37. Reasonably selecting the ratio between the air interval of the fifth lens and the sixth lens on the optical axis and the air interval of the sixth lens and the seventh lens on the optical axis will help to appropriately shorten the total length of the optical imaging lens. At the same time as the telephoto characteristics, it meets the requirements of thinning and thinning. At the same time, it is beneficial to adjust the structure of the optical imaging lens and reduce the difficulty of lens processing and assembly.
  • the optical imaging lens of the present application can satisfy the conditional expression 0.5 ⁇ (CT2 + CT5) / CT7 ⁇ 1.5, CT2 is the center thickness of the second lens on the optical axis, and CT5 is the fifth lens on the optical axis. CT7 is the center thickness of the seventh lens on the optical axis. More specifically, CT2, CT5, and CT7 can further satisfy 0.75 ⁇ (CT2 + CT5) /CT7 ⁇ 1.35.
  • the optical imaging lens of the present application may satisfy a conditional expression of 22 ° ⁇ HFOV ⁇ 29 °, where HFOV is a maximum half field angle of the optical imaging lens. More specifically, HFOV can further satisfy 23.9 ° ⁇ HFOV ⁇ 26.3 °. Reasonably control the maximum half-field angle of the optical imaging lens, so that the optical imaging lens meets the telephoto characteristics and has a good ability to balance aberrations, and can reasonably control the deflection angle of the main light and improve the degree of matching with the chip.
  • the above-mentioned optical imaging lens may further include a diaphragm to improve the imaging quality of the lens.
  • the diaphragm may be disposed between the fourth lens and the fifth lens, and close to the image side of the fourth lens. It should be understood by those skilled in the art that the diaphragm may be disposed at other appropriate positions as required.
  • the above-mentioned optical imaging lens may further include a filter for correcting color deviation and / or a protective glass for protecting the photosensitive element on the imaging surface.
  • the optical imaging lens according to the above embodiment of the present application may employ multiple lenses, such as the seven lenses described above.
  • the size of the lens can be effectively reduced, the sensitivity of the lens can be reduced, and the processability of the lens can be improved.
  • the optical imaging lens configured as described above can also have beneficial effects such as long focal length, good processing performance, miniaturization, and high imaging quality.
  • At least one of the mirror surfaces of each lens is an aspherical mirror surface.
  • Aspheric lenses are characterized by a curvature that varies continuously from the center of the lens to the periphery of the lens. Unlike spherical lenses, which have a constant curvature from the lens center to the periphery of the lens, aspheric lenses have better curvature radius characteristics, and have the advantages of improving distortion and astigmatic aberrations. The use of aspheric lenses can eliminate as much aberrations as possible during imaging, thereby improving imaging quality.
  • the aspherical seven-piece telephoto lens according to the present application can obtain ideal magnification and good imaging effects, is suitable for remote shooting, can make the subject in a chaotic environment stand out, and can be at the same shooting distance. It has higher imaging quality than similar products.
  • the number of lenses constituting the optical imaging lens may be changed to obtain various results and advantages described in this specification.
  • the optical imaging lens is not limited to including seven lenses. If necessary, the optical imaging lens may further include other numbers of lenses. Specific examples of the optical imaging lens applicable to the above embodiments will be further described below with reference to the drawings.
  • FIG. 1 is a schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 1 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 1, where the units of the radius of curvature and thickness are millimeters (mm).
  • each aspheric lens can be defined using, but not limited to, the following aspheric formula:
  • x is the distance vector from the vertex of the aspheric surface when the aspheric surface is at the height h along the optical axis direction;
  • k is the conic coefficient (given in Table 1);
  • Ai is the correction coefficient of the aspherical i-th order.
  • Table 2 below gives the higher-order coefficients A 4 , A 6 , A 8 , A 10 , A 12 , A 14 , A 16 , A 18, and A 20 that can be used for each aspherical mirror surface S1-S14 in Example 1. .
  • Table 3 shows the effective focal lengths f1 to f7 of each lens, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 2A shows an on-axis chromatic aberration curve of the optical imaging lens of Embodiment 1, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 2B shows an astigmatism curve of the optical imaging lens of Example 1, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 2C shows a distortion curve of the optical imaging lens of Example 1, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 2D shows the magnification chromatic aberration curve of the optical imaging lens of Example 1, which represents the deviation of light at different image heights on the imaging plane after passing through the lens. It can be known from FIG. 2A to FIG. 2D that the optical imaging lens provided in Embodiment 1 can achieve good imaging quality.
  • FIG. 3 is a schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a negative power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 4 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 2, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 5 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 2, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 6 shows the effective focal lengths f1 to f7 of each lens in Example 2, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 4A shows an on-axis chromatic aberration curve of the optical imaging lens of Embodiment 2, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 4B shows an astigmatism curve of the optical imaging lens of Example 2, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 4C shows the distortion curve of the optical imaging lens of Example 2, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 4D shows the magnification chromatic aberration curve of the optical imaging lens of Example 2, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 4A to FIG. 4D, it can be known that the optical imaging lens provided in Embodiment 2 can achieve good imaging quality.
  • FIG. 5 is a schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application.
  • the optical imaging lens includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a convex surface.
  • the third lens E3 has a negative power, and the object side surface S5 is a concave surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 7 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 3.
  • the units of the radius of curvature and thickness are millimeters (mm).
  • Table 8 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 3, where each aspherical surface type can be defined by the formula (1) given in Embodiment 1 above.
  • Table 9 shows the effective focal lengths f1 to f7 of the lenses in Example 3, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 6A shows an on-axis chromatic aberration curve of the optical imaging lens of Embodiment 3, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 6B shows an astigmatism curve of the optical imaging lens of Example 3, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 6C shows a distortion curve of the optical imaging lens of Example 3, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 6D shows the magnification chromatic aberration curve of the optical imaging lens of Example 3, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 6A to FIG. 6D, it can be known that the optical imaging lens provided in Embodiment 3 can achieve good imaging quality.
  • FIG. 7 is a schematic structural diagram of an optical imaging lens according to Embodiment 4 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a negative power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 10 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 4, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 11 shows the high-order term coefficients that can be used for each aspherical mirror surface in Embodiment 4, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 12 shows the effective focal lengths f1 to f7 of each lens in Example 4, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 8A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 4, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 8B shows an astigmatism curve of the optical imaging lens of Example 4, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 8C shows a distortion curve of the optical imaging lens of Example 4, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 8D shows a magnification chromatic aberration curve of the optical imaging lens of Example 4, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 8A to FIG. 8D, it can be known that the optical imaging lens provided in Embodiment 4 can achieve good imaging quality.
  • FIG. 9 is a schematic structural diagram of an optical imaging lens according to Embodiment 5 of the present application.
  • the optical imaging lens includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a negative power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 13 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 5, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 14 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 5, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 15 shows the effective focal lengths f1 to f7 of the lenses in Example 5, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 10A shows an on-axis chromatic aberration curve of the optical imaging lens of Embodiment 5, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 10B shows an astigmatism curve of the optical imaging lens of Example 5, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 10C shows a distortion curve of the optical imaging lens of Example 5, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 10D shows the magnification chromatic aberration curve of the optical imaging lens of Example 5, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. It can be seen from FIGS. 10A to 10D that the optical imaging lens provided in Embodiment 5 can achieve good imaging quality.
  • FIG. 11 is a schematic structural diagram of an optical imaging lens according to Embodiment 6 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 16 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 6, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 17 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 6, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 18 shows the effective focal lengths f1 to f7 of each lens in Example 6, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 12A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 6, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 12B shows an astigmatism curve of the optical imaging lens of Example 6, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 12C shows a distortion curve of the optical imaging lens of Example 6, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 12D shows the magnification chromatic aberration curve of the optical imaging lens of Example 6, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 12A to FIG. 12D, it can be known that the optical imaging lens provided in Embodiment 6 can achieve good imaging quality.
  • FIG. 13 is a schematic structural diagram of an optical imaging lens according to Embodiment 7 of the present application.
  • the optical imaging lens includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 19 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 7, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 20 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 7, where each aspheric surface type can be defined by the formula (1) given in Embodiment 1 above.
  • Table 21 shows the effective focal lengths f1 to f7 of each lens in Example 7, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 14A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 7, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 14B shows an astigmatism curve of the optical imaging lens of Example 7, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 14C shows a distortion curve of the optical imaging lens of Example 7, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 14D shows a magnification chromatic aberration curve of the optical imaging lens of Example 7, which represents the deviation of light at different image heights on the imaging surface after passing through the lens.
  • the optical imaging lens provided in Embodiment 7 can achieve good imaging quality.
  • FIG. 15 is a schematic structural diagram of an optical imaging lens according to Embodiment 8 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 22 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 8, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 23 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 8, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 24 shows the effective focal lengths f1 to f7 of the lenses in Example 8, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 16A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 8, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 16B shows an astigmatism curve of the optical imaging lens of Example 8, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 16C shows the distortion curve of the optical imaging lens of Example 8, which represents the value of the distortion magnitude corresponding to different image heights.
  • FIG. 16D shows the magnification chromatic aberration curve of the optical imaging lens of Example 8, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 16A to FIG. 16D, it can be known that the optical imaging lens provided in Embodiment 8 can achieve good imaging quality.
  • FIG. 17 is a schematic structural diagram of an optical imaging lens according to Embodiment 9 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a concave surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 25 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 9, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 26 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 9, where each aspheric surface type can be defined by the formula (1) given in Embodiment 1 above.
  • Table 27 shows the effective focal lengths f1 to f7 of the lenses in Example 9, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 18A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 9, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 18B shows an astigmatism curve of the optical imaging lens of Example 9, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 18C shows a distortion curve of the optical imaging lens of Example 9, which represents the magnitude of the distortion corresponding to different image heights.
  • FIG. 18D shows the magnification chromatic aberration curve of the optical imaging lens of Example 9, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. According to FIG. 18A to FIG. 18D, it can be known that the optical imaging lens provided in Embodiment 9 can achieve good imaging quality.
  • FIG. 19 is a schematic structural diagram of an optical imaging lens according to Embodiment 10 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power, and the object side surface S11 thereof is a concave surface, and the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power, and its object side surface S13 is a convex surface, and its image side surface S14 is a concave surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 28 shows the surface type, the radius of curvature, the thickness, the material, and the conic coefficient of each lens of the optical imaging lens of Example 10.
  • the units of the radius of curvature and the thickness are both millimeters (mm).
  • Table 29 shows the high-order term coefficients that can be used for each aspherical mirror surface in Embodiment 10, where each aspheric surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 30 shows the effective focal lengths f1 to f7 of each lens in Example 10, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 20A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 10, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 20B shows an astigmatism curve of the optical imaging lens of Example 10, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 20C illustrates a distortion curve of the optical imaging lens of Example 10, which represents the magnitude of distortion corresponding to different image heights.
  • FIG. 20D shows a magnification chromatic aberration curve of the optical imaging lens of Example 10, which represents the deviation of light at different image heights on the imaging plane after passing through the lens. It can be seen from FIGS. 20A to 20D that the optical imaging lens provided in Embodiment 10 can achieve good imaging quality.
  • FIG. 21 is a schematic structural diagram of an optical imaging lens according to Embodiment 11 of the present application.
  • the optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, The diaphragm STO, the fifth lens E5, the sixth lens E6, the seventh lens E7, the filter E8, and the imaging surface S17.
  • the first lens E1 has a positive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a concave surface.
  • the second lens E2 has a positive power, and the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a positive power, and the object side surface S5 is a convex surface, and the image side surface S6 is a convex surface.
  • the fourth lens E4 has a negative power, and the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a negative power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive power
  • the object side surface S13 is a concave surface
  • the image side surface S14 is a convex surface.
  • the filter E8 has an object side surface S15 and an image side surface S16. The light from the object sequentially passes through the surfaces S1 to S16 and is finally imaged on the imaging surface S17.
  • Table 31 shows the surface type, the radius of curvature, the thickness, the material, and the conic coefficient of each lens of the optical imaging lens of Example 11, where the units of the radius of curvature and thickness are millimeters (mm).
  • Table 32 shows the higher-order term coefficients that can be used for each aspherical mirror surface in Embodiment 11, where each aspheric surface type can be defined by the formula (1) given in Embodiment 1 above.
  • Table 33 shows the effective focal lengths f1 to f7 of the lenses in Example 11, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 to the imaging surface S17 of the first lens E1, and the imaging surface S17.
  • the diagonal of the upper effective pixel area is half ImgH and the maximum half field angle HFOV.
  • FIG. 22A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 11, which indicates that light rays with different wavelengths deviate from the focal point after passing through the lens.
  • FIG. 22B shows an astigmatism curve of the optical imaging lens of Example 11, which represents a meridional image plane curvature and a sagittal image plane curvature.
  • FIG. 22C illustrates a distortion curve of the optical imaging lens of Example 11, which represents the magnitude of distortion corresponding to different image heights.
  • FIG. 22D shows a magnification chromatic aberration curve of the optical imaging lens of Example 11, which represents the deviation of light at different image heights on the imaging surface after passing through the lens. 22A to 22D, it can be known that the optical imaging lens provided in Embodiment 11 can achieve good imaging quality.
  • Examples 1 to 11 satisfy the relationships shown in Table 34, respectively.
  • the present application also provides an imaging device whose electronic photosensitive element may be a photosensitive coupling element (CCD) or a complementary metal oxide semiconductor element (CMOS).
  • the imaging device may be an independent imaging device such as a digital camera or an imaging module integrated on a mobile electronic device such as a mobile phone.
  • the imaging device is equipped with the optical imaging lens described above.

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Abstract

一种光学成像镜头，沿着光轴由物侧至像侧依序包括：第一透镜(E1)、第二透镜(E2)、第三透镜(E3)、第四透镜(E4)、第五透镜(E5)、第六透镜(E6)和第七透镜(E7)。其中，第一透镜(E1)具有正光焦度；第二透镜(E2)具有光焦度，其物侧面(S3)为凸面；第三透镜(E3)具有光焦度；第四透镜(E4)具有负光焦度，其物侧面(S7)和像侧面(S8)均为凹面；第五透镜(E5)具有光焦度；第六透镜(E6)具有负光焦度，其像侧面(S12)为凹面；第七透镜(E7)具有光焦度。第五透镜(E5)和第六透镜(E6)在光轴上的间隔距离T56、第一透镜(E1)和第二透镜(E2)在光轴上的间隔距离T12与第二透镜(E2)和第三透镜(E3)在光轴上的间隔距离T23满足2＜T56/(T12+T23)/5＜3。

Description

光学成像镜头
相关申请的交叉引用
本申请要求于2018年09月26日提交于中国国家知识产权局(CNIPA)的、专利申请号为201811122945.5的中国专利申请的优先权和权益，该中国专利申请通过引用整体并入本文。
技术领域
本申请涉及一种光学成像镜头，更具体地，涉及一种包括七片透镜的光学成像镜头。
背景技术
近年来，随着例如智能手机、平板电脑等便携式电子产品的高速更新换代，市场对产品端成像镜头的要求越来越高。用户希望通过智能手机等便携式电子产品就能实现对远处景物的清晰拍摄，并且可以达到突出主体信息、虚化背景的效果。这就对与便携式电子产品配套使用的成像镜头提出了更高的要求，在要求成像镜头具有小型化、高成像质量的同时，还要求其具有长焦距的特性。
发明内容
本申请提供了可适用于便携式电子产品的、可至少解决或部分解决现有技术中的上述至少一个缺点的光学成像镜头。
一方面，本申请提供了这样一种光学成像镜头，该镜头沿着光轴由物侧至像侧依序包括：第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜和第七透镜。其中，第一透镜可具有正光焦度；第二透镜具有光焦度，其物侧面可为凸面；第三透镜具有光焦度；第四透镜可具有负光焦度，其物侧面和像侧面均可为凹面；第五透镜具有光焦度；第六透镜可具有负光焦度，其像侧面可为凹面；第七透镜具有光焦度。
在一个实施方式中，第五透镜和第六透镜在光轴上的间隔距离T56、第一透镜和第二透镜在光轴上的间隔距离T12与第二透镜和第三透镜在光轴上的间隔距离T23可满足2＜T56/(T12+T23)/5＜3。
在一个实施方式中，第六透镜的有效焦距f6与第一透镜的有效焦距f1可满足-2.5＜f6/f1＜-1。
在一个实施方式中，第一透镜的物侧面的曲率半径R1与第二透镜的物侧面的曲率半径R3可满足0＜R1/R3＜0.5。
在一个实施方式中，第四透镜的物侧面的曲率半径R7与第一透镜的物侧面的曲率半径R1可满足-8.5＜R7/R1＜-6。
在一个实施方式中，第四透镜的像侧面的曲率半径R8与第六透镜的像侧面的曲率半径R12可满足1＜R8/R12＜2。
在一个实施方式中，第一透镜、第二透镜和第三透镜的组合焦距f123与第三透镜的有效焦距f3可满足0＜f123/f3＜0.5。
在一个实施方式中，第四透镜的像侧面和光轴的交点至第四透镜像侧面的有效半径顶点的轴上距离SAG42与第五透镜的物侧面和光轴的交点至第五透镜物侧面的有效半径顶点的轴上距离SAG51可满足-3＜SAG42/SAG51＜-0.5。
在一个实施方式中，第四透镜和第五透镜的组合焦距f45与第六透镜和第七透镜的组合焦距f67可满足0＜f45/f67＜0.6。
在一个实施方式中，第五透镜和第六透镜在光轴上的间隔距离T56与第六透镜和第七透镜在光轴上的间隔距离T67可满足2.5＜T56/T67＜3.5。
在一个实施方式中，第二透镜在光轴上的中心厚度CT2、第五透镜在光轴上的中心厚度CT5与第七透镜在光轴上的中心厚度CT7可满足0.5＜(CT2+CT5)/CT7＜1.5。
在一个实施方式中，光学成像镜头的最大半视场角HFOV可满足22°＜HFOV＜29°。
本申请采用了七片非球面透镜，通过合理分配各透镜的光焦度、面型、各透镜的中心厚度以及各透镜之间的轴上间距等，使得上述光学成像镜头具有长焦距、小型化、良好的加工特性、高成像质量等至少一个有益效果。
附图说明
结合附图，通过以下非限制性实施方式的详细描述，本申请的其他特征、目的和优点将变得更加明显。在附图中：
图1示出了根据本申请实施例1的光学成像镜头的结构示意图；图2A至图2D分别示出了实施例1的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图3示出了根据本申请实施例2的光学成像镜头的结构示意图；图4A至图4D分别示出了实施例2的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图5示出了根据本申请实施例3的光学成像镜头的结构示意图；图6A至图6D分别示出了实施例3的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图7示出了根据本申请实施例4的光学成像镜头的结构示意图；图8A至图8D分别示出了实施例4的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图9示出了根据本申请实施例5的光学成像镜头的结构示意图；图10A至图10D分别示出了实施例5的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图11示出了根据本申请实施例6的光学成像镜头的结构示意图；图12A至图12D分别示出了实施例6的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图13示出了根据本申请实施例7的光学成像镜头的结构示意图；图14A至图14D分别示出了实施例7的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图15示出了根据本申请实施例8的光学成像镜头的结构示意图；图16A至图16D分别示出了实施例8的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图17示出了根据本申请实施例9的光学成像镜头的结构示意图；图18A至图18D分别示出了实施例9的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图19示出了根据本申请实施例10的光学成像镜头的结构示意图；图20A至图20D分别示出了实施例10的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线；
图21示出了根据本申请实施例11的光学成像镜头的结构示意图；图22A至图22D分别示出了实施例11的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线。
具体实施方式
为了更好地理解本申请，将参考附图对本申请的各个方面做出更详细的说明。应理解，这些详细说明只是对本申请的示例性实施方式的描述，而非以任何方式限制本申请的范围。在说明书全文中，相同的附图标号指代相同的元件。表述“和/或”包括相关联的所列项目中的一个或多个的任何和全部组合。
应注意，在本说明书中，第一、第二、第三等的表述仅用于将一个特征与另一个特征区分开来，而不表示对特征的任何限制。因此，在不背离本申请的教导的情况下，下文中讨论的第一透镜也可被称作第二透镜或第三透镜。
在附图中，为了便于说明，已稍微夸大了透镜的厚度、尺寸和形状。具体来讲，附图中所示的球面或非球面的形状通过示例的方式示出。即，球面或非球面的形状不限于附图中示出的球面或非球面的形状。附图仅为示例而并非严格按比例绘制。
在本文中，近轴区域是指光轴附近的区域。若透镜表面为凸面且未界定该凸面位置时，则表示该透镜表面至少于近轴区域为凸面；若透镜表面为凹面且未界定该凹面位置时，则表示该透镜表面至少于近轴区域为凹面。每个透镜最靠近被摄物体的表面称为该透镜的物侧面，每个透镜最靠近成像面的表面称为该透镜的像侧面。
还应理解的是，用语“包括”、“包括有”、“具有”、“包含”和/或“包含有”，当在本说明书中使用时表示存在所陈述的特征、元件和/或部件，但不排除存在或附加有一个或多个其它特征、元件、部件和/或它们的组合。此外，当诸如“...中的至少一个”的表述出现在所列特征的列表之后时，修饰整个所列特征，而不是修饰列表中的单独元件。此外，当描述本申请的实施方式时，使用“可”表示“本申请的一个或多个实施方式”。并且，用语“示例性的”旨在指代示例或举例说明。
除非另外限定，否则本文中使用的所有用语(包括技术用语和科学用语)均具有与本申请所属领域普通技术人员的通常理解相同的含义。还应理解的是，用语(例如在常用词典中定义的用语)应被解释为具有与它们在相关技术的上下文中的含义一致的含义，并且将不被以理想化或过度正式意义解释，除非本文中明确如此限定。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。以下将参考附图并结合实施例对本申请的特征、原理和其他方面进行详细描述。
根据本申请示例性实施方式的光学成像镜头可包括例如七片具有光焦度的透镜，即，第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜和第七透镜。这七片透镜沿着光轴由 物侧至像侧依序排列，且各相邻透镜之间均可具有空气间隔。
在示例性实施方式中，第一透镜可具有正光焦度；第二透镜具有正光焦度或负光焦度，其物侧面可为凸面；第三透镜具有正光焦度或负光焦度；第四透镜可具有负光焦度，其物侧面可为凹面，像侧面可为凹面；第五透镜具有正光焦度或负光焦度；第六透镜可具有负光焦度，其像侧面可为凹面；第七透镜具有正光焦度或负光焦度。
在示例性实施方式中，第一透镜的物侧面可为凸面。
在示例性实施方式中，第七透镜的物侧面和像侧面中的一个面为凸面，另一个面为凹面。
在示例性实施方式中，本申请的光学成像镜头可满足条件式2＜T56/(T12+T23)/5＜3，其中，T56为第五透镜和第六透镜在光轴上的间隔距离，T12为第一透镜和第二透镜在光轴上的间隔距离，T23为第二透镜和第三透镜在光轴上的间隔距离。更具体地，T56、T12和T23进一步可满足2.25≤T56/(T12+T23)/5≤2.56。合理分配第一透镜、第二透镜、第三透镜以及第五透镜、第六透镜在光轴上的空气间隔，有利于满足镜片的可加工性，并可以有效地降低光学成像镜头后端尺寸，避免光学成像镜头的体积过大。
在示例性实施方式中，本申请的光学成像镜头可满足条件式1＜R8/R12＜2，其中，R8为第四透镜的像侧面的曲率半径，R12为第六透镜的像侧面的曲率半径。更具体地，R8和R12进一步可满足1.05≤R8/R12≤1.60。合理控制第四透镜像侧面的曲率半径和第六透镜像侧面的曲率半径，有助于降低光学成像镜头像侧面透镜的光焦度，使光学成像镜头具备较好的平衡色差和畸变的能力。
在示例性实施方式中，本申请的光学成像镜头可满足条件式-2.5＜f6/f1＜-1，其中，f6为第六透镜的有效焦距，f1为第一透镜的有效焦距。更具体地，f6和f1进一步可满足-2.26≤f6/f1≤-1.38。合理分配第六透镜和第一透镜的有效焦距，有助于光学成像镜头实现长焦的特性。同时，这样的布置还有利于提升对光线的汇聚能力，调整光线聚焦位置，缩短光学成像镜头总长。
在示例性实施方式中，本申请的光学成像镜头可满足条件式-8.5＜R7/R1＜-6，其中，R7为第四透镜的物侧面的曲率半径，R1为第一透镜的物侧面的曲率半径。更具体地，R7和R1进一步可满足-8.20≤R7/R1≤-6.18。合理分配第四透镜物侧面的曲率半径和第一透镜物侧面的曲率半径。能有效平衡光学成像镜头的像散，并进一步确保光学成像镜头的小型化。
在示例性实施方式中，本申请的光学成像镜头可满足条件式0＜R1/R3＜0.5，其中，R1为第一透镜的物侧面的曲率半径，R3为第二透镜的物侧面的曲率半径。更具体地，R1和R3进一步可满足0.21≤R1/R3≤0.38。合理分配第一透镜物侧面的曲率半径和第二透镜物侧面的曲率半径，使光学成像镜头具备较强的平衡像散的能力，有利于合理控制主光线偏转角度，并进一步确保光学成像镜头的小型化。
在示例性实施方式中，本申请的光学成像镜头可满足条件式0＜f123/f3＜0.5，其中，f123为第一透镜、第二透镜和第三透镜的组合焦距，f3为第三透镜的有效焦距。更具体地，f123和f3进一步可满足0＜f123/f3≤0.36。合理选择第一透镜、第二透镜和第三透镜的组合焦距与第三透镜的有效焦距的比值关系，可以在校正像差的同时，实现镜头的长焦特性。同时，有利于使透镜表 面的变化自由度更高，以此来提升光学成像镜头校正像散和场曲的能力。
在示例性实施方式中，本申请的光学成像镜头可满足条件式-3＜SAG42/SAG51＜-0.5，其中，SAG42为第四透镜的像侧面和光轴的交点至第四透镜像侧面的有效半径顶点的轴上距离，SAG51为第五透镜的物侧面和光轴的交点至第五透镜物侧面的有效半径顶点的轴上距离。更具体地，SAG42和SAG51进一步可满足-2.56≤SAG42/SAG51≤-0.99。合理控制SAG42与SAG51的比值，以调整光学成像镜头的主光线角度，从而能有效提高光学成像镜头的相对亮度，提升像面清晰度。
在示例性实施方式中，本申请的光学成像镜头可满足条件式0＜f45/f67＜0.6，其中，f45为第四透镜和第五透镜的组合焦距，f67为第六透镜和第七透镜的组合焦距。更具体地，f45和f67进一步可满足0.26≤f45/f67≤0.51。合理控制f45和f67，可以在校正像差的同时，实现镜头的长焦特性。同时，有助于适当缩短光学成像镜头的总长，满足镜头轻薄化的要求。
在示例性实施方式中，本申请的光学成像镜头可满足条件式2.5＜T56/T67＜3.5，其中，T56为第五透镜和第六透镜在光轴上的间隔距离，T67为第六透镜和第七透镜在光轴上的间隔距离。更具体地，T56和T67进一步可满足2.56≤T56/T67≤3.37。合理选择第五透镜和第六透镜在光轴上的空气间隔与第六透镜和第七透镜在光轴上的空气间隔之间的比值，有助于适当缩短光学成像镜头的总长，在实现镜头长焦特性的同时，满足轻薄化的要求。同时，有利于调整光学成像镜头的结构，降低镜片加工和组装的难度。
在示例性实施方式中，本申请的光学成像镜头可满足条件式0.5＜(CT2+CT5)/CT7＜1.5，CT2为第二透镜在光轴上的中心厚度，CT5为第五透镜在光轴上的中心厚度，CT7为第七透镜在光轴上的中心厚度。更具体地，CT2、CT5和CT7进一步可满足0.75≤(CT2+CT5)/CT7≤1.35。合理控制第二透镜、第五透镜和第七透镜分别于光轴上的中心厚度，以在镜头总长一定的情况下使透镜间具有足够的间隔空间，从而使透镜表面变化自由度更高，以此来提升光学成像镜头校正像散和场曲的能力。
在示例性实施方式中，本申请的光学成像镜头可满足条件式22°＜HFOV＜29°，其中，HFOV为光学成像镜头的最大半视场角。更具体地，HFOV进一步可满足23.9°≤HFOV≤26.3°。合理控制光学成像镜头的最大半视场角，使光学成像镜头满足长焦特性并具有较好的平衡像差的能力，且能够合理控制主光线偏转角度，提高与芯片的匹配程度。
在示例性实施方式中，上述光学成像镜头还可包括光阑，以提升镜头的成像质量。可选地，光阑可设置在第四透镜与第五透镜之间，并紧贴第四透镜的像侧面。本领域技术人员应当理解的是，光阑可根据需要设置在其他适当位置处。可选地，上述光学成像镜头还可包括用于校正色彩偏差的滤光片和/或用于保护位于成像面上的感光元件的保护玻璃。
根据本申请的上述实施方式的光学成像镜头可采用多片镜片，例如上文所述的七片。通过合理分配各透镜的光焦度、面型、各透镜的中心厚度以及各透镜之间的轴上间距等，可有效地缩小镜头的体积、降低镜头的敏感度并提高镜头的可加工性，使得光学成像镜头更有利于生产加工并且可适用于便携式电子产品。通过上述配置的光学成像镜头还可具有长焦距、良好的加工性能、小型化、高成像质量等有益效果。
在本申请的实施方式中，各透镜的镜面中的至少一个为非球面镜面。非球面透镜的特点是：从透镜中心到透镜周边，曲率是连续变化的。与从透镜中心到透镜周边具有恒定曲率的球面透镜不同，非球面透镜具有更佳的曲率半径特性，具有改善歪曲像差及改善像散像差的优点。采用非球面透镜后，能够尽可能地消除在成像的时候出现的像差，从而改善成像质量。
根据本申请的采用非球面的七片式长焦镜头，能够得到理想的放大倍率以及良好的成像效果，适合于远程拍摄，能使处于杂乱环境中的被摄主体得到突出，并且在同一拍摄距离上较同类产品具有更高的成像质量。
然而，本领域的技术人员应当理解，在未背离本申请要求保护的技术方案的情况下，可改变构成光学成像镜头的透镜数量，来获得本说明书中描述的各个结果和优点。例如，虽然在实施方式中以七个透镜为例进行了描述，但是该光学成像镜头不限于包括七个透镜。如果需要，该光学成像镜头还可包括其它数量的透镜。下面参照附图进一步描述可适用于上述实施方式的光学成像镜头的具体实施例。
实施例1
以下参照图1至图2D描述根据本申请实施例1的光学成像镜头。图1示出了根据本申请实施例1的光学成像镜头的结构示意图。
如图1所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表1示出了实施例1的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2019087374-appb-000001
Figure PCTCN2019087374-appb-000002
表1
由表1可知，第一透镜E1至第七透镜E7中的任意一个透镜的物侧面和像侧面均为非球面。在本实施例中，各非球面透镜的面型x可利用但不限于以下非球面公式进行限定：
Figure PCTCN2019087374-appb-000003
其中，x为非球面沿光轴方向在高度为h的位置时，距非球面顶点的距离矢高；c为非球面的近轴曲率，c＝1/R(即，近轴曲率c为上表1中曲率半径R的倒数)；k为圆锥系数(在表1中已给出)；Ai是非球面第i-th阶的修正系数。下表2给出了可用于实施例1中各非球面镜面S1-S14的高次项系数A 4、A 6、A 8、A 10、A 12、A 14、A 16、A 18和A 20。
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -6.8638E-03 -6.9241E-03 1.7586E-02 -3.1866E-02 3.0708E-02 -1.7735E-02 5.8768E-03 -1.0202E-03 6.6057E-05
S2 3.2315E-02 5.1366E-02 -1.3302E-01 1.2798E-01 -2.3061E-02 -5.7809E-02 5.0861E-02 -1.7016E-02 2.0974E-03
S3 3.6615E-02 4.6900E-02 -7.1136E-02 -6.5838E-02 2.9928E-01 -3.5725E-01 2.0699E-01 -5.9608E-02 6.8218E-03
S4 2.6797E-02 1.6196E-01 -4.6966E-01 6.6460E-01 -5.1428E-01 2.1225E-01 -3.6870E-02 -1.5370E-03 9.5640E-04
S5 3.0683E-02 1.6494E-01 -5.3762E-01 8.9895E-01 -9.5032E-01 6.7266E-01 -3.0789E-01 8.1174E-02 -9.2434E-03
S6 -1.0899E-02 6.6120E-02 -2.3160E-01 4.9186E-01 -6.9698E-01 6.7372E-01 -4.1851E-01 1.4806E-01 -2.2488E-02
S7 5.7402E-02 1.9635E-02 2.8422E-02 -3.8039E-01 1.1415E+00 -1.7098E+00 1.4092E+00 -6.0328E-01 1.0398E-01
S8 3.9097E-02 6.7560E-01 -6.5020E+00 3.9152E+01 -1.4667E+02 3.4408E+02 -4.9059E+02 3.8824E+02 -1.3068E+02
S9 -1.1565E-01 -4.1234E-01 4.0122E+00 -2.2669E+01 7.9133E+01 -1.7319E+02 2.3087E+02 -1.7113E+02 5.3892E+01
S10 -7.4805E-02 9.7330E-02 -4.5880E-01 1.9735E+00 -5.0949E+00 8.0926E+00 -7.6741E+00 3.9791E+00 -8.6788E-01
S11 -1.2757E-01 -6.6606E-03 7.7508E-02 -7.5350E-02 4.1580E-02 -1.3610E-02 2.6598E-03 -3.0839E-04 1.8097E-05
S12 -1.8106E-01 6.2071E-02 -1.0715E-02 -1.3141E-02 1.2616E-02 -5.7592E-03 1.5540E-03 -2.3350E-04 1.4891E-05
S13 -1.9384E-02 1.1310E-02 -1.0679E-02 6.6554E-03 -3.0411E-03 1.0011E-03 -2.0579E-04 2.3033E-05 -1.0741E-06
S14 -6.5043E-02 3.0110E-02 -1.4643E-02 5.1227E-03 -1.0300E-03 7.0060E-05 1.4440E-05 -3.1102E-06 1.6411E-07
表2
表3给出了实施例1中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
f1(mm) 3.95 f7(mm) 11.89
f2(mm) 40.47 f(mm) 5.61
f3(mm) 10.45 TTL(mm) 5.55
f4(mm) -3.59 ImgH(mm) 2.75
f5(mm) 85.57 HFOV(°) 26.3
f6(mm) -6.06    
表3
图2A示出了实施例1的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图2B示出了实施例1的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图2C示出了实施例1的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图2D示出了实施例1的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图2A至图2D可知，实施例1所给出的光学成像镜头能够实现良好的成像品质。
实施例2
以下参照图3至图4D描述根据本申请实施例2的光学成像镜头。在本实施例及以下实施例中，为简洁起见，将省略部分与实施例1相似的描述。图3示出了根据本申请实施例2的光学成像镜头的结构示意图。
如图3所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有负光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表4示出了实施例2的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表5示出了可用于实施例2中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表6给出了实施例2中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000004
Figure PCTCN2019087374-appb-000005
表4
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.0309E-03 -1.6057E-02 4.2933E-02 -7.3452E-02 7.1977E-02 -4.2551E-02 1.4558E-02 -2.6013E-03 1.7738E-04
S2 3.4492E-03 2.1404E-01 -5.3526E-01 7.0210E-01 -5.2521E-01 2.1188E-01 -3.4895E-02 -2.3764E-03 1.0775E-03
S3 -9.8470E-03 3.2559E-01 -7.8176E-01 9.8480E-01 -6.6762E-01 2.0699E-01 1.9774E-03 -1.6795E-02 2.8522E-03
S4 -2.5534E-02 6.8113E-01 -2.2447E+00 3.9065E+00 -4.2549E+00 3.0735E+00 -1.4390E+00 3.9195E-01 -4.6569E-02
S5 -9.5690E-04 5.4002E-01 -1.8858E+00 3.3493E+00 -3.7020E+00 2.6994E+00 -1.2545E+00 3.3139E-01 -3.7382E-02
S6 -1.2791E-02 7.2166E-02 -2.6563E-01 5.7573E-01 -7.9428E-01 7.3072E-01 -4.2528E-01 1.3871E-01 -1.9176E-02
S7 3.1394E-02 6.2894E-02 -4.3762E-02 -2.7146E-01 1.0158E+00 -1.6202E+00 1.3824E+00 -6.1031E-01 1.0989E-01
S8 2.5272E-02 5.4429E-01 -4.5974E+00 2.5628E+01 -9.0428E+01 2.0081E+02 -2.7153E+02 2.0379E+02 -6.4946E+01
S9 -1.2586E-01 -4.2118E-01 3.9401E+00 -2.1475E+01 7.2369E+01 -1.5329E+02 1.9842E+02 -1.4335E+02 4.4278E+01
S10 -8.6751E-02 1.5318E-01 -8.8742E-01 3.9754E+00 -1.0670E+01 1.7560E+01 -1.7252E+01 9.3018E+00 -2.1147E+00
S11 -1.5132E-01 -4.3369E-02 2.4372E-01 -4.4880E-01 4.9631E-01 -3.3731E-01 1.3684E-01 -3.0127E-02 2.7556E-03
S12 -2.9004E-01 2.1640E-01 -1.8808E-01 1.2723E-01 -6.7576E-02 2.6585E-02 -7.0892E-03 1.1136E-03 -7.6357E-05
S13 -3.9655E-02 4.0350E-02 -2.1742E-02 4.4485E-03 4.9779E-04 -4.3224E-04 8.9360E-05 -8.4435E-06 3.1134E-07
S14 -6.3263E-02 3.1317E-02 -1.2992E-02 5.0092E-03 -1.8310E-03 4.9224E-04 -8.0750E-05 7.1514E-06 -2.6414E-07
表5
f1(mm) 4.04 f7(mm) 12.72
f2(mm) -499.97 f(mm) 5.61
f3(mm) 7.93 TTL(mm) 5.55
f4(mm) -3.72 ImgH(mm) 2.75
f5(mm) 72.39 HFOV(°) 26.3
f6(mm) -5.89    
表6
图4A示出了实施例2的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图4B示出了实施例2的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图4C示出了实施例2的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图4D示出了实施例2的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图4A至图4D可知，实施例2所给出的光学成像镜头能够实现良好的成像品质。
实施例3
以下参照图5至图6D描述了根据本申请实施例3的光学成像镜头。图5示出了根据本申请实施例3的光学成像镜头的结构示意图。
如图5所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凸面。第三透镜E3具有负光焦度，其物侧面S5为凹面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表7示出了实施例3的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表8示出了可用于实施例3中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表9给出了实施例3中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000006
表7
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.7694E-03 -1.1894E-02 3.3478E-02 -6.0429E-02 6.0713E-02 -3.6686E-02 1.2968E-02 -2.4692E-03 1.9084E-04
S2 2.1075E-02 1.2556E-01 -3.4048E-01 4.4708E-01 -3.1877E-01 1.1181E-01 -8.2165E-03 -5.5519E-03 1.1478E-03
S3 2.1088E-02 1.3176E-01 -3.0509E-01 2.9859E-01 -4.5214E-02 -1.5722E-01 1.3832E-01 -4.7216E-02 5.9800E-03
S4 4.4036E-03 3.6217E-01 -1.1306E+00 1.8743E+00 -1.8792E+00 1.1808E+00 -4.5560E-01 9.8692E-02 -9.1798E-03
S5 1.1810E-02 3.7212E-01 -1.2416E+00 2.1673E+00 -2.3241E+00 1.6017E+00 -6.9278E-01 1.7048E-01 -1.8119E-02
S6 -2.1564E-02 1.2693E-01 -4.6949E-01 1.0090E+00 -1.3622E+00 1.2041E+00 -6.7950E-01 2.2120E-01 -3.1402E-02
S7 5.4077E-02 4.5048E-02 -1.0364E-01 9.6570E-04 4.8346E-01 -1.0196E+00 9.8008E-01 -4.5998E-01 8.4974E-02
S8 3.8469E-02 7.1084E-01 -6.6809E+00 3.8458E+01 -1.3826E+02 3.1243E+02 -4.3041E+02 3.2988E+02 -1.0773E+02
S9 -1.1038E-01 -4.9400E-01 4.5758E+00 -2.5183E+01 8.5876E+01 -1.8366E+02 2.3936E+02 -1.7354E+02 5.3496E+01
S10 -7.6795E-02 1.0729E-01 -6.0875E-01 2.7154E+00 -7.1307E+00 1.1480E+01 -1.1026E+01 5.8006E+00 -1.2865E+00
S11 -1.2392E-01 -9.1106E-03 6.6616E-02 -7.1423E-02 5.1340E-02 -2.4722E-02 7.8408E-03 -1.4811E-03 1.2291E-04
S12 -1.9741E-01 9.4406E-02 -5.3972E-02 2.5794E-02 -1.2843E-02 5.7885E-03 -1.7749E-03 3.0570E-04 -2.2236E-05
S13 -2.0030E-02 4.6379E-03 8.7157E-03 -1.1642E-02 5.8770E-03 -1.5435E-03 2.2352E-04 -1.6686E-05 4.8203E-07
S14 -6.3292E-02 2.7973E-02 -1.2946E-02 6.1057E-03 -2.5516E-03 7.3932E-04 -1.2955E-04 1.2418E-05 -5.0536E-07
表8
f1(mm) 3.92 f7(mm) 12.13
f2(mm) 8.82 f(mm) 5.61
f3(mm) -999.60 TTL(mm) 5.55
f4(mm) -3.66 ImgH(mm) 2.75
f5(mm) 96.57 HFOV(°) 26.3
f6(mm) -6.09    
表9
图6A示出了实施例3的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图6B示出了实施例3的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图6C示出了实施例3的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图6D示出了实施例3的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图6A至图6D可知，实施例3所给出的光学成像镜头能够实现良好的成像品质。
实施例4
以下参照图7至图8D描述了根据本申请实施例4的光学成像镜头。图7示出了根据本申请实施例4的光学成像镜头的结构示意图。
如图7所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有负光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至 S16并最终成像在成像面S17上。
表10示出了实施例4的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表11示出了可用于实施例4中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表12给出了实施例4中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000007
表10
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -4.9763E-03 -1.5976E-02 4.1618E-02 -7.0227E-02 6.7181E-02 -3.8183E-02 1.2293E-02 -1.9922E-03 1.1132E-04
S2 4.8695E-03 2.2866E-01 -6.2096E-01 8.6628E-01 -6.8281E-01 2.9521E-01 -5.8707E-02 7.9503E-04 9.6649E-04
S3 -8.2190E-03 3.2745E-01 -8.1173E-01 1.0042E+00 -5.9542E-01 7.1345E-02 9.9144E-02 -4.9165E-02 7.0260E-03
S4 -5.4202E-02 8.8422E-01 -2.8788E+00 4.9549E+00 -5.1554E+00 3.3891E+00 -1.3885E+00 3.2530E-01 -3.3343E-02
S5 -3.1647E-02 7.8220E-01 -2.7023E+00 4.8797E+00 -5.3868E+00 3.8056E+00 -1.6791E+00 4.1918E-01 -4.4935E-02
S6 -1.4129E-02 9.6094E-02 -3.8794E-01 8.7706E-01 -1.2398E+00 1.1573E+00 -6.8815E-01 2.3295E-01 -3.3897E-02
S7 4.1623E-02 4.7175E-02 -6.4079E-02 -1.1591E-01 6.6547E-01 -1.1832E+00 1.0573E+00 -4.7307E-01 8.4225E-02
S8 2.9719E-02 6.7108E-01 -6.1220E+00 3.5032E+01 -1.2540E+02 2.8182E+02 -3.8561E+02 2.9315E+02 -9.4809E+01
S9 -1.1979E-01 -4.8744E-01 4.6097E+00 -2.5390E+01 8.6525E+01 -1.8515E+02 2.4177E+02 -1.7593E+02 5.4595E+01
S10 -7.9623E-02 1.2317E-01 -6.0807E-01 2.6143E+00 -6.7816E+00 1.0847E+01 -1.0382E+01 5.4597E+00 -1.2118E+00
S11 -1.4922E-01 -1.9832E-02 1.5691E-01 -2.7603E-01 2.9781E-01 -1.9953E-01 8.0242E-02 -1.7553E-02 1.5953E-03
S12 -2.6701E-01 1.8844E-01 -1.6022E-01 1.0892E-01 -5.8730E-02 2.3337E-02 -6.2033E-03 9.5966E-04 -6.4305E-05
S13 -3.3182E-02 3.1438E-02 -1.4862E-02 8.2037E-04 1.8616E-03 -7.7468E-04 1.4231E-04 -1.2948E-05 4.7173E-07
S14 -6.8623E-02 3.6120E-02 -1.6988E-02 7.3000E-03 -2.6988E-03 7.1202E-04 -1.1621E-04 1.0395E-05 -3.9089E-07
表11
f1(mm) 4.01 f7(mm) 12.77
f2(mm) 40.27 f(mm) 5.61
f3(mm) 10.13 TTL(mm) 5.55
f4(mm) -3.83 ImgH(mm) 2.75
f5(mm) -1001.57 HFOV(°) 26.3
f6(mm) -6.05    
表12
图8A示出了实施例4的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图8B示出了实施例4的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图8C示出了实施例4的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图8D示出了实施例4的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图8A至图8D可知，实施例4所给出的光学成像镜头能够实现良好的成像品质。
实施例5
以下参照图9至图10D描述了根据本申请实施例5的光学成像镜头。图9示出了根据本申请实施例5的光学成像镜头的结构示意图。
如图9所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有负光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表13示出了实施例5的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表14示出了可用于实施例5中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表15给出了实施例5中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000008
Figure PCTCN2019087374-appb-000009
表13
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -4.0871E-03 -2.2860E-02 6.3020E-02 -1.0890E-01 1.1107E-01 -6.9528E-02 2.5954E-02 -5.3073E-03 4.5397E-04
S2 1.8352E-02 1.5595E-01 -4.7142E-01 7.0284E-01 -5.8143E-01 2.6033E-01 -5.2531E-02 1.7112E-04 1.0429E-03
S3 1.4436E-02 2.2200E-01 -5.9581E-01 7.4042E-01 -3.6927E-01 -7.9314E-02 1.7397E-01 -7.2090E-02 1.0087E-02
S4 -3.5542E-02 7.1807E-01 -2.3824E+00 4.1446E+00 -4.2674E+00 2.6958E+00 -1.0270E+00 2.1660E-01 -1.9421E-02
S5 -2.0531E-02 6.3975E-01 -2.2145E+00 4.0402E+00 -4.4759E+00 3.1386E+00 -1.3643E+00 3.3501E-01 -3.5430E-02
S6 -1.7865E-02 1.1570E-01 -4.0713E-01 8.5899E-01 -1.1708E+00 1.0682E+00 -6.2606E-01 2.0966E-01 -3.0173E-02
S7 3.6270E-02 8.7926E-02 -1.8095E-01 1.8021E-01 7.1719E-02 -3.3770E-01 2.9577E-01 -9.6873E-02 6.6398E-03
S8 1.0029E-02 8.2764E-01 -7.1062E+00 3.8940E+01 -1.3371E+02 2.8895E+02 -3.8085E+02 2.7936E+02 -8.7331E+01
S9 -1.1351E-01 -5.3483E-01 4.8550E+00 -2.5388E+01 8.2550E+01 -1.6887E+02 2.1131E+02 -1.4759E+02 4.3992E+01
S10 -6.9383E-02 6.1199E-02 -1.7491E-01 6.7174E-01 -1.4764E+00 2.0107E+00 -1.6366E+00 7.3027E-01 -1.3808E-01
S11 -5.0524E-02 -2.5500E-01 3.6967E-01 -2.9460E-01 1.5540E-01 -5.1608E-02 9.9375E-03 -9.6683E-04 3.3416E-05
S12 -7.5697E-02 -1.5313E-01 2.2201E-01 -1.8468E-01 1.0106E-01 -3.6673E-02 8.5454E-03 -1.1561E-03 6.8592E-05
S13 -4.3401E-02 7.4187E-02 -8.4592E-02 5.6170E-02 -2.3562E-02 6.3079E-03 -1.0375E-03 9.5372E-05 -3.7597E-06
S14 -8.7296E-02 6.4531E-02 -4.0165E-02 1.8535E-02 -5.8400E-03 1.1636E-03 -1.3822E-04 9.1883E-06 -2.8531E-07
表14
f1(mm) 3.98 f7(mm) -499.89
f2(mm) 47.68 f(mm) 5.61
f3(mm) 10.55 TTL(mm) 5.55
f4(mm) -3.93 ImgH(mm) 2.75
f5(mm) 70.70 HFOV(°) 26.3
f6(mm) -9.00    
表15
图10A示出了实施例5的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图10B示出了实施例5的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图10C示出了实施例5的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图10D示出了实施例5的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图10A至图10D可知，实施例5所给出的光学成像镜头能够实现良好的成像品质。
实施例6
以下参照图11至图12D描述了根据本申请实施例6的光学成像镜头。图11示出了根据本申请实施例6的光学成像镜头的结构示意图。
如图11所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凸面。第二透镜E2具有负光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凹面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表16示出了实施例6的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表17示出了可用于实施例6中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表18给出了实施例6中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000010
表16
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -6.1751E-03 -1.4711E-02 3.7495E-02 -6.6514E-02 6.8669E-02 -4.4108E-02 1.7097E-02 -3.6801E-03 3.3601E-04
S2 3.1535E-02 6.6638E-02 -1.8140E-01 2.3596E-01 -1.8042E-01 8.0459E-02 -1.9271E-02 1.8330E-03 2.7456E-05
S3 2.3753E-02 9.8601E-02 -1.9187E-01 1.5779E-01 -6.8596E-03 -8.6383E-02 6.5401E-02 -2.0311E-02 2.3926E-03
S4 -2.3673E-04 3.1806E-01 -7.6780E-01 7.8816E-01 -2.2638E-01 -2.3689E-01 2.3896E-01 -8.2699E-02 1.0404E-02
S5 1.3780E-02 3.0281E-01 -7.9347E-01 8.8510E-01 -3.4517E-01 -1.7452E-01 2.3801E-01 -9.4004E-02 1.3385E-02
S6 -1.9562E-02 1.2203E-01 -4.4686E-01 9.8910E-01 -1.4078E+00 1.3144E+00 -7.7430E-01 2.5888E-01 -3.7224E-02
S7 5.6782E-02 1.4038E-02 4.7624E-02 -5.0041E-01 1.5334E+00 -2.3857E+00 2.0534E+00 -9.2857E-01 1.7264E-01
S8 3.8548E-02 7.0288E-01 -6.5758E+00 3.7316E+01 -1.3220E+02 2.9447E+02 -3.9985E+02 3.0196E+02 -9.7100E+01
S9 -1.1319E-01 -4.8695E-01 4.3790E+00 -2.3693E+01 7.9922E+01 -1.6934E+02 2.1896E+02 -1.5763E+02 4.8300E+01
S10 -8.5010E-02 1.3825E-01 -9.4187E-01 4.4524E+00 -1.2269E+01 2.0631E+01 -2.0651E+01 1.1313E+01 -2.6119E+00
S11 -1.2078E-01 -1.4408E-02 5.4697E-02 -5.3736E-02 4.1852E-02 -2.4046E-02 9.4036E-03 -2.1250E-03 2.0102E-04
S12 -2.0741E-01 1.1660E-01 -9.1811E-02 6.2849E-02 -3.6130E-02 1.5323E-02 -4.2434E-03 6.7251E-04 -4.5964E-05
S13 -2.9433E-02 2.3758E-02 -8.9961E-03 -1.2143E-03 1.8613E-03 -5.6582E-04 7.9998E-05 -5.1833E-06 1.0100E-07
S14 -5.4133E-02 1.8098E-02 -4.5047E-03 1.3649E-03 -7.9296E-04 3.0476E-04 -6.1423E-05 6.3116E-06 -2.6626E-07
表17
f1(mm) 3.44 f7(mm) 12.25
f2(mm) -284.28 f(mm) 5.61
f3(mm) 12.85 TTL(mm) 5.55
f4(mm) -3.53 ImgH(mm) 2.75
f5(mm) 53.54 HFOV(°) 26.2
f6(mm) -6.08    
表18
图12A示出了实施例6的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图12B示出了实施例6的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图12C示出了实施例6的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图12D示出了实施例6的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图12A至图12D可知，实施例6所给出的光学成像镜头能够实现良好的成像品质。
实施例7
以下参照图13至图14D描述了根据本申请实施例7的光学成像镜头。图13示出了根据本申请实施例7的光学成像镜头的结构示意图。
如图13所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凹面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至 S16并最终成像在成像面S17上。
表19示出了实施例7的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表20示出了可用于实施例7中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表21给出了实施例7中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000011
表19
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.2336E-03 -1.4194E-02 3.7841E-02 -6.5586E-02 6.4757E-02 -3.8557E-02 1.3346E-02 -2.4492E-03 1.7694E-04
S2 1.2030E-02 1.8442E-01 -5.0631E-01 7.0788E-01 -5.6129E-01 2.4627E-01 -5.1200E-02 1.6014E-03 6.8407E-04
S3 3.2000E-03 2.5844E-01 -6.3895E-01 7.7639E-01 -4.3844E-01 2.6916E-02 9.2998E-02 -4.2612E-02 5.9416E-03
S4 -3.7155E-02 7.1876E-01 -2.2812E+00 3.8093E+00 -3.8163E+00 2.3947E+00 -9.2981E-01 2.0565E-01 -1.9907E-02
S5 -2.1866E-02 6.5140E-01 -2.1966E+00 3.8791E+00 -4.1872E+00 2.8931E+00 -1.2506E+00 3.0678E-01 -3.2421E-02
S6 -1.6527E-02 1.0027E-01 -3.8964E-01 8.8200E-01 -1.2666E+00 1.2023E+00 -7.2501E-01 2.4861E-01 -3.6670E-02
S7 4.4199E-02 4.6233E-02 -8.0083E-02 -3.9795E-02 4.5901E-01 -8.3858E-01 7.1355E-01 -2.8609E-01 4.1276E-02
S8 3.2541E-02 6.5647E-01 -6.0446E+00 3.4786E+01 -1.2518E+02 2.8278E+02 -3.8882E+02 2.9692E+02 -9.6422E+01
S9 -1.1850E-01 -4.4664E-01 4.1908E+00 -2.3157E+01 7.9319E+01 -1.7055E+02 2.2373E+02 -1.6348E+02 5.0912E+01
S10 -7.9230E-02 1.1816E-01 -6.5543E-01 2.9415E+00 -7.8304E+00 1.2789E+01 -1.2462E+01 6.6567E+00 -1.4993E+00
S11 -1.4371E-01 1.3467E-03 7.7886E-02 -1.2305E-01 1.2420E-01 -8.0346E-02 3.1898E-02 -6.9582E-03 6.3123E-04
S12 -2.3742E-01 1.4916E-01 -1.1698E-01 7.5686E-02 -4.0141E-02 1.5907E-02 -4.2189E-03 6.5067E-04 -4.3520E-05
S13 -2.5364E-02 2.0829E-02 -8.3284E-03 -8.3634E-04 1.6639E-03 -5.4607E-04 8.4834E-05 -6.4313E-06 1.8193E-07
S14 -6.1656E-02 2.9678E-02 -1.3540E-02 5.8377E-03 -2.2072E-03 5.9137E-04 -9.7258E-05 8.7822E-06 -3.3618E-07
表20
f1(mm) 3.99 f7(mm) 12.31
f2(mm) 40.38 f(mm) 5.61
f3(mm) 10.44 TTL(mm) 5.55
f4(mm) -3.72 ImgH(mm) 2.75
f5(mm) 111.73 HFOV(°) 23.9
f6(mm) -5.96    
表21
图14A示出了实施例7的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图14B示出了实施例7的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图14C示出了实施例7的光学成像镜头的畸变曲线，其表示不同像高所对应的畸变大小值。图14D示出了实施例7的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图14A至图14D可知，实施例7所给出的光学成像镜头能够实现良好的成像品质。
实施例8
以下参照图15至图16D描述了根据本申请实施例8的光学成像镜头。图15示出了根据本申请实施例8的光学成像镜头的结构示意图。
如图15所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凸面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表22示出了实施例8的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表23示出了可用于实施例8中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表24给出了实施例8中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000012
Figure PCTCN2019087374-appb-000013
表22
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.8251E-03 -1.2678E-02 3.3375E-02 -5.7683E-02 5.7812E-02 -3.5748E-02 1.3163E-02 -2.6553E-03 2.2218E-04
S2 2.8615E-02 7.5375E-02 -2.1662E-01 2.9496E-01 -2.1859E-01 7.9760E-02 -6.6289E-03 -3.8358E-03 8.1970E-04
S3 2.9267E-02 1.0569E-01 -2.6302E-01 2.8536E-01 -9.2139E-02 -8.5954E-02 9.2427E-02 -3.2550E-02 4.0800E-03
S4 -1.1802E-02 5.0272E-01 -1.6226E+00 2.7962E+00 -2.9149E+00 1.9033E+00 -7.6296E-01 1.7175E-01 -1.6615E-02
S5 -9.5678E-03 4.9251E-01 -1.6643E+00 3.0391E+00 -3.4367E+00 2.4832E+00 -1.1129E+00 2.8062E-01 -3.0318E-02
S6 -2.0608E-02 1.1728E-01 -4.0180E-01 8.7999E-01 -1.2834E+00 1.2425E+00 -7.5726E-01 2.6082E-01 -3.8559E-02
S7 3.8257E-02 1.0252E-01 -1.6912E-01 -7.2353E-02 8.0719E-01 -1.4474E+00 1.2478E+00 -5.2713E-01 8.4439E-02
S8 7.7914E-03 8.3293E-01 -7.3105E+00 4.2949E+01 -1.5976E+02 3.7355E+02 -5.3112E+02 4.1902E+02 -1.4055E+02
S9 -1.2597E-01 -4.1648E-01 4.4899E+00 -2.6485E+01 9.5404E+01 -2.1377E+02 2.8976E+02 -2.1690E+02 6.8565E+01
S10 -1.0540E-01 2.1181E-01 -1.4107E+00 6.6419E+00 -1.9004E+01 3.3449E+01 -3.5232E+01 2.0374E+01 -4.9759E+00
S11 -1.5770E-01 5.1968E-02 2.4195E-03 -7.6997E-02 1.3463E-01 -1.1713E-01 5.7166E-02 -1.4654E-02 1.5175E-03
S12 -2.3436E-01 1.7619E-01 -1.6518E-01 1.2447E-01 -7.2694E-02 3.0634E-02 -8.5525E-03 1.3935E-03 -9.9168E-05
S13 -2.5914E-02 2.1504E-02 -7.5016E-03 -1.5261E-03 2.0134E-03 -6.6975E-04 1.1031E-04 -9.1493E-06 2.9977E-07
S14 -6.1627E-02 3.0731E-02 -1.5541E-02 7.4189E-03 -2.8350E-03 7.3459E-04 -1.1637E-04 1.0097E-05 -3.6745E-07
表23
f1(mm) 3.98 f7(mm) 10.90
f2(mm) 39.67 f(mm) 5.61
f3(mm) 10.35 TTL(mm) 5.55
f4(mm) -3.30 ImgH(mm) 2.75
f5(mm) 28.85 HFOV(°) 26.3
f6(mm) -5.78    
表24
图16A示出了实施例8的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图16B示出了实施例8的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图16C示出了实施例8的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图16D示出了实施例8的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图16A至图16D可知，实施例8所给出的光学成像镜头能够实现良好的成像品质。
实施例9
以下参照图17至图18D描述了根据本申请实施例9的光学成像镜头。图17示出了根据本申请实施例9的光学成像镜头的结构示意图。
如图17所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凸面，像侧面S10为凹面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表25示出了实施例9的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表26示出了可用于实施例9中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表27给出了实施例9中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000014
表25
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.8132E-03 -1.3245E-02 3.5125E-02 -6.1971E-02 6.3049E-02 -3.9185E-02 1.4412E-02 -2.8886E-03 2.3891E-04
S2 2.4771E-02 1.1077E-01 -3.3182E-01 4.8680E-01 -4.0265E-01 1.8580E-01 -4.2815E-02 2.8868E-03 2.9739E-04
S3 2.3421E-02 1.4776E-01 -3.8617E-01 4.7529E-01 -2.5593E-01 -8.3409E-03 7.4911E-02 -3.1831E-02 4.3187E-03
S4 -1.4793E-02 5.0022E-01 -1.5234E+00 2.4653E+00 -2.4158E+00 1.4907E+00 -5.6870E-01 1.2261E-01 -1.1410E-02
S5 -9.3615E-03 4.7934E-01 -1.5413E+00 2.6682E+00 -2.8973E+00 2.0534E+00 -9.2041E-01 2.3507E-01 -2.5877E-02
S6 -1.9721E-02 1.0854E-01 -3.6624E-01 7.7190E-01 -1.0784E+00 1.0159E+00 -6.1390E-01 2.1241E-01 -3.1776E-02
S7 3.5199E-02 1.0823E-01 -2.0236E-01 6.0605E-02 5.4572E-01 -1.1813E+00 1.1164E+00 -5.0814E-01 8.8525E-02
S8 7.4576E-03 8.3971E-01 -7.2531E+00 4.2005E+01 -1.5409E+02 3.5625E+02 -5.0237E+02 3.9410E+02 -1.3174E+02
S9 -1.2789E-01 -3.2870E-01 3.3761E+00 -1.8647E+01 6.3291E+01 -1.3490E+02 1.7518E+02 -1.2631E+02 3.8511E+01
S10 -1.0683E-01 1.5113E-01 -7.9031E-01 3.4636E+00 -9.3529E+00 1.5567E+01 -1.5492E+01 8.4423E+00 -1.9381E+00
S11 -1.5694E-01 4.1425E-02 3.5073E-02 -1.3454E-01 1.9510E-01 -1.5360E-01 6.9707E-02 -1.6995E-02 1.7076E-03
S12 -2.4819E-01 1.9246E-01 -1.8190E-01 1.3779E-01 -8.1346E-02 3.4819E-02 -9.8601E-03 1.6212E-03 -1.1588E-04
S13 -2.2924E-02 1.4521E-02 1.0322E-03 -7.8135E-03 4.8272E-03 -1.4330E-03 2.3272E-04 -1.9821E-05 6.8825E-07
S14 -6.5526E-02 3.1935E-02 -1.7215E-02 9.2484E-03 -3.8458E-03 1.0454E-03 -1.7076E-04 1.5177E-05 -5.6494E-07
表26
f1(mm) 3.98 f7(mm) 10.06
f2(mm) 40.95 f(mm) 5.61
f3(mm) 10.36 TTL(mm) 5.55
f4(mm) -3.40 ImgH(mm) 2.75
f5(mm) 59.23 HFOV(°) 26.3
f6(mm) -5.94    
表27
图18A示出了实施例9的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图18B示出了实施例9的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图18C示出了实施例9的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图18D示出了实施例9的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图18A至图18D可知，实施例9所给出的光学成像镜头能够实现良好的成像品质。
实施例10
以下参照图19至图20D描述了根据本申请实施例10的光学成像镜头。图19示出了根据本申请实施例10的光学成像镜头的结构示意图。
如图19所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有正光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凹面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像 侧面S14为凹面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表28示出了实施例10的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表29示出了可用于实施例10中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表30给出了实施例10中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000015
表28
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.5362E-03 -1.2927E-02 3.5923E-02 -6.4170E-02 6.4946E-02 -3.9891E-02 1.4413E-02 -2.8117E-03 2.2323E-04
S2 1.8042E-02 1.4278E-01 -3.7606E-01 4.8187E-01 -3.2934E-01 1.0169E-01 2.8754E-03 -9.6319E-03 1.6872E-03
S3 1.5311E-02 1.7710E-01 -4.0384E-01 3.9986E-01 -8.3370E-02 -1.7278E-01 1.5834E-01 -5.4015E-02 6.7573E-03
S4 1.0043E-03 3.6840E-01 -1.0511E+00 1.4938E+00 -1.2038E+00 5.7320E-01 -1.6139E-01 2.6027E-02 -2.0643E-03
S5 1.2321E-02 3.2816E-01 -1.0129E+00 1.5608E+00 -1.4585E+00 8.9724E-01 -3.6256E-01 8.6996E-02 -9.2557E-03
S6 -1.0187E-02 7.4322E-02 -2.8684E-01 6.1444E-01 -8.3676E-01 7.6736E-01 -4.5389E-01 1.5360E-01 -2.2374E-02
S7 5.6512E-02 1.7411E-02 -1.4476E-02 -1.9807E-01 7.8925E-01 -1.2992E+00 1.1060E+00 -4.7328E-01 7.9803E-02
S8 3.7546E-02 6.7324E-01 -6.4167E+00 3.7170E+01 -1.3392E+02 3.0254E+02 -4.1555E+02 3.1667E+02 -1.0250E+02
S9 -1.0819E-01 -4.6083E-01 4.0515E+00 -2.2097E+01 7.5284E+01 -1.6146E+02 2.1176E+02 -1.5502E+02 4.8479E+01
S10 -6.4285E-02 8.8151E-02 -6.8365E-01 3.2963E+00 -9.0671E+00 1.5154E+01 -1.5048E+01 8.1716E+00 -1.8680E+00
S11 -1.0426E-01 -2.3988E-02 8.1104E-02 -1.2963E-01 1.4818E-01 -1.0983E-01 4.9622E-02 -1.2151E-02 1.2215E-03
S12 -1.4574E-01 7.4521E-02 -6.0864E-02 4.0930E-02 -2.3249E-02 1.0230E-02 -3.0515E-03 5.3016E-04 -3.9768E-05
S13 -2.3058E-02 1.4363E-02 -3.4728E-03 -3.6494E-03 2.8116E-03 -8.3265E-04 1.2565E-04 -9.4120E-06 2.6423E-07
S14 -5.5377E-02 2.3243E-02 -9.5286E-03 3.7247E-03 -1.5376E-03 4.8776E-04 -9.3152E-05 9.4725E-06 -3.9818E-07
表29
f1(mm) 3.98 f7(mm) 11.20
f2(mm) 38.87 f(mm) 5.60
f3(mm) 10.15 TTL(mm) 5.55
f4(mm) -3.63 ImgH(mm) 2.75
f5(mm) 58.77 HFOV(°) 26.2
f6(mm) -5.50    
表30
图20A示出了实施例10的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图20B示出了实施例10的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图20C示出了实施例10的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图20D示出了实施例10的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图20A至图20D可知，实施例10所给出的光学成像镜头能够实现良好的成像品质。
实施例11
以下参照图21至图22D描述了根据本申请实施例11的光学成像镜头。图21示出了根据本申请实施例11的光学成像镜头的结构示意图。
如图21所示，根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括：第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、光阑STO、第五透镜E5、第六透镜E6、第七透镜E7、滤光片E8和成像面S17。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，其物侧面S3为凸面，像侧面S4为凹面。第三透镜E3具有正光焦度，其物侧面S5为凸面，像侧面S6为凸面。第四透镜E4具有负光焦度，其物侧面S7为凹面，像侧面S8为凹面。第五透镜E5具有负光焦度，其物侧面S9为凹面，像侧面S10为凸面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凹面，像侧面S14为凸面。滤光片E8具有物侧面S15和像侧面S16。来自物体的光依序穿过各表面S1至S16并最终成像在成像面S17上。
表31示出了实施例11的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数，其中，曲率半径和厚度的单位均为毫米(mm)。表32示出了可用于实施例11中各非球面镜面的高次项系数，其中，各非球面面型可由上述实施例1中给出的公式(1)限定。表33给出了实施例11中各透镜的有效焦距f1至f7、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1至成像面S17在光轴上的距离TTL、成像面S17上有效像素区域对角线长的一半ImgH以及最大半视场角HFOV。
Figure PCTCN2019087374-appb-000016
Figure PCTCN2019087374-appb-000017
表31
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -5.7378E-03 -1.3617E-02 3.4992E-02 -5.9587E-02 5.6598E-02 -3.1715E-02 9.9651E-03 -1.5489E-03 7.8247E-05
S2 1.5006E-02 1.6222E-01 -4.3907E-01 5.8362E-01 -4.1065E-01 1.2879E-01 4.5117E-03 -1.2848E-02 2.2467E-03
S3 9.7187E-03 2.1598E-01 -5.0901E-01 5.2772E-01 -1.1604E-01 -2.4486E-01 2.3136E-01 -8.0648E-02 1.0235E-02
S4 -1.9960E-02 5.6641E-01 -1.8537E+00 3.2187E+00 -3.3397E+00 2.1359E+00 -8.2431E-01 1.7582E-01 -1.5901E-02
S5 -4.3402E-03 5.0976E-01 -1.8034E+00 3.3992E+00 -3.9529E+00 2.9330E+00 -1.3464E+00 3.4622E-01 -3.7940E-02
S6 -1.4956E-02 8.0911E-02 -2.5771E-01 5.1208E-01 -6.8552E-01 6.5181E-01 -4.1397E-01 1.5180E-01 -2.3853E-02
S7 3.2809E-02 9.4203E-02 -1.4909E-01 2.5129E-02 3.7131E-01 -6.4536E-01 4.3652E-01 -8.9953E-02 -1.3033E-02
S8 1.4405E-02 7.3962E-01 -6.4184E+00 3.6925E+01 -1.3391E+02 3.0552E+02 -4.2464E+02 3.2800E+02 -1.0783E+02
S9 -1.3517E-01 -3.9467E-01 4.0442E+00 -2.2151E+01 7.4999E+01 -1.5981E+02 2.0832E+02 -1.5160E+02 4.7014E+01
S10 -9.4039E-02 1.4554E-01 -5.0949E-01 1.9165E+00 -4.5299E+00 6.7086E+00 -5.9901E+00 2.9416E+00 -6.0971E-01
S11 -1.0119E-01 -1.5987E-01 3.3576E-01 -3.6721E-01 2.7420E-01 -1.3688E-01 4.3066E-02 -7.6594E-03 5.8398E-04
S12 -1.4382E-01 -4.7013E-02 1.1817E-01 -1.1853E-01 7.4253E-02 -2.9908E-02 7.4234E-03 -1.0267E-03 6.0256E-05
S13 -1.8399E-02 2.5856E-02 -6.3471E-02 6.7247E-02 -3.7921E-02 1.2437E-02 -2.3831E-03 2.4821E-04 -1.0899E-05
S14 -6.4469E-02 3.3640E-02 -2.7730E-02 2.0247E-02 -8.6600E-03 2.0854E-03 -2.7733E-04 1.8903E-05 -5.2220E-07
表32
f1(mm) 3.99 f7(mm) 20.35
f2(mm) 47.85 f(mm) 5.61
f3(mm) 9.92 TTL(mm) 5.55
f4(mm) -3.89 ImgH(mm) 2.75
f5(mm) -1608.87 HFOV(°) 26.3
f6(mm) -7.53    
表33
图22A示出了实施例11的光学成像镜头的轴上色差曲线，其表示不同波长的光线经由镜头后的会聚焦点偏离。图22B示出了实施例11的光学成像镜头的象散曲线，其表示子午像面弯曲和弧矢像面弯曲。图22C示出了实施例11的光学成像镜头的畸变曲线，其表示不同像高处对应的畸变大小值。图22D示出了实施例11的光学成像镜头的倍率色差曲线，其表示光线经由镜头后在成像面上的不同像高处的偏差。根据图22A至图22D可知，实施例11所给出的光学成像镜头能 够实现良好的成像品质。
综上，实施例1至实施例11分别满足表34中所示的关系。
条件式\实施例 1 2 3 4 5 6 7 8 9 10 11
R8/R12 1.38 1.60 1.41 1.57 1.36 1.32 1.47 1.25 1.28 1.05 1.50
f6/f1 -1.53 -1.46 -1.55 -1.51 -2.26 -1.76 -1.49 -1.45 -1.49 -1.38 -1.89
R7/R1 -6.39 -7.42 -6.66 -8.20 -6.50 -7.70 -7.78 -6.52 -7.66 -6.18 -7.47
R1/R3 0.37 0.38 0.35 0.38 0.37 0.21 0.37 0.36 0.37 0.37 0.37
f123/f3 0.27 0.36 0.00 0.28 0.27 0.22 0.27 0.27 0.27 0.28 0.29
SAG42/SAG51 -1.24 -1.01 -1.18 -0.99 -1.05 -1.26 -1.09 -2.39 -2.56 -1.14 -1.04
f45/f67 0.32 0.38 0.33 0.36 0.51 0.34 0.36 0.32 0.26 0.39 0.33
T56/T67 3.08 2.81 3.02 2.65 2.94 3.00 2.77 2.71 2.56 3.27 3.37
T56/(T12+T23)/5 2.39 2.56 2.45 2.38 2.55 2.55 2.47 2.48 2.25 2.49 2.41
(CT2+CT5)/CT7 0.96 0.84 1.11 0.95 1.35 0.75 0.91 0.78 0.78 0.92 1.12
HFOV(°) 26.3 26.3 26.3 26.3 26.3 26.2 23.9 26.3 26.3 26.2 26.3
表34
本申请还提供一种成像装置，其电子感光元件可以是感光耦合元件(CCD)或互补性氧化金属半导体元件(CMOS)。成像装置可以是诸如数码相机的独立成像设备，也可以是集成在诸如手机等移动电子设备上的成像模块。该成像装置装配有以上描述的光学成像镜头。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离所述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (22)

  1. 光学成像镜头，沿着光轴由物侧至像侧依序包括：第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜和第七透镜，
    其特征在于，
    所述第一透镜具有正光焦度；所述第二透镜具有光焦度，其物侧面为凸面；所述第三透镜具有光焦度；所述第四透镜具有负光焦度，其物侧面和像侧面均为凹面；所述第五透镜具有光焦度；所述第六透镜具有负光焦度，其像侧面为凹面；所述第七透镜具有光焦度；
    所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56、所述第一透镜和所述第二透镜在所述光轴上的间隔距离T12与所述第二透镜和所述第三透镜在所述光轴上的间隔距离T23满足2＜T56/(T12+T23)/5＜3。
  2. 根据权利要求1所述的光学成像镜头，其特征在于，所述第六透镜的有效焦距f6与所述第一透镜的有效焦距f1满足-2.5＜f6/f1＜-1。
  3. 根据权利要求1所述的光学成像镜头，其特征在于，所述第一透镜的物侧面的曲率半径R1与所述第二透镜的物侧面的曲率半径R3满足0＜R1/R3＜0.5。
  4. 根据权利要求1所述的光学成像镜头，其特征在于，所述第四透镜的物侧面的曲率半径R7与所述第一透镜的物侧面的曲率半径R1满足-8.5＜R7/R1＜-6。
  5. 根据权利要求4所述的光学成像镜头，其特征在于，所述第四透镜的像侧面的曲率半径R8与所述第六透镜的像侧面的曲率半径R12满足1＜R8/R12＜2。
  6. 根据权利要求1所述的光学成像镜头，其特征在于，所述第一透镜、所述第二透镜和所述第三透镜的组合焦距f123与所述第三透镜的有效焦距f3满足0＜f123/f3＜0.5。
  7. 根据权利要求1所述的光学成像镜头，其特征在于，所述第四透镜的像侧面和所述光轴的交点至所述第四透镜像侧面的有效半径顶点的轴上距离SAG42与所述第五透镜的物侧面和所述光轴的交点至所述第五透镜物侧面的有效半径顶点的轴上距离SAG51满足-3＜SAG42/SAG51＜-0.5。
  8. 根据权利要求1所述的光学成像镜头，其特征在于，所述第四透镜和所述第五透镜的组合焦距f45与所述第六透镜和所述第七透镜的组合焦距f67满足0＜f45/f67＜0.6。
  9. 根据权利要求1所述的光学成像镜头，其特征在于，所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56与所述第六透镜和所述第七透镜在所述光轴上的间隔距离T67满足2.5＜T56/T67＜3.5。
  10. 根据权利要求1所述的光学成像镜头，其特征在于，所述第二透镜在所述光轴上的中心厚度CT2、所述第五透镜在所述光轴上的中心厚度CT5与所述第七透镜在所述光轴上的中心厚度CT7满足0.5＜(CT2+CT5)/CT7＜1.5。
  11. 根据权利要求1至10中任一项所述的光学成像镜头，其特征在于，所述光学成像镜头的最大半视场角HFOV满足22°＜HFOV＜29°。
  12. 光学成像镜头，沿着光轴由物侧至像侧依序包括：第一透镜、第二透镜、第三透镜、第 四透镜、第五透镜、第六透镜和第七透镜，
    其特征在于，
    所述第一透镜具有正光焦度；所述第二透镜具有光焦度，其物侧面为凸面；所述第三透镜具有光焦度；所述第四透镜具有负光焦度，其物侧面和像侧面均为凹面；所述第五透镜具有光焦度；所述第六透镜具有负光焦度，其像侧面为凹面；所述第七透镜具有光焦度；
    所述第四透镜的像侧面的曲率半径R8与所述第六透镜的像侧面的曲率半径R12满足1＜R8/R12＜2。
  13. 根据权利要求12所述的光学成像镜头，其特征在于，所述第六透镜的有效焦距f6与所述第一透镜的有效焦距f1满足-2.5＜f6/f1＜-1。
  14. 根据权利要求12所述的光学成像镜头，其特征在于，所述第一透镜的物侧面的曲率半径R1与所述第二透镜的物侧面的曲率半径R3满足0＜R1/R3＜0.5。
  15. 根据权利要求12所述的光学成像镜头，其特征在于，所述第四透镜的物侧面的曲率半径R7与所述第一透镜的物侧面的曲率半径R1满足-8.5＜R7/R1＜-6。
  16. 根据权利要求12所述的光学成像镜头，其特征在于，所述第一透镜、所述第二透镜和所述第三透镜的组合焦距f123与所述第三透镜的有效焦距f3满足0＜f123/f3＜0.5。
  17. 根据权利要求12所述的光学成像镜头，其特征在于，所述第四透镜的像侧面和所述光轴的交点至所述第四透镜像侧面的有效半径顶点的轴上距离SAG42与所述第五透镜的物侧面和所述光轴的交点至所述第五透镜物侧面的有效半径顶点的轴上距离SAG51满足-3＜SAG42/SAG51＜-0.5。
  18. 根据权利要求12所述的光学成像镜头，其特征在于，所述第四透镜和所述第五透镜的组合焦距f45与所述第六透镜和所述第七透镜的组合焦距f67满足0＜f45/f67＜0.6。
  19. 根据权利要求12所述的光学成像镜头，其特征在于，所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56与所述第六透镜和所述第七透镜在所述光轴上的间隔距离T67满足2.5＜T56/T67＜3.5。
  20. 根据权利要求19所述的光学成像镜头，其特征在于，所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56、所述第一透镜和所述第二透镜在所述光轴上的间隔距离T12与所述第二透镜和所述第三透镜在所述光轴上的间隔距离T23满足2＜T56/(T12+T23)/5＜3。
  21. 根据权利要求12所述的光学成像镜头，其特征在于，所述第二透镜在所述光轴上的中心厚度CT2、所述第五透镜在所述光轴上的中心厚度CT5与所述第七透镜在所述光轴上的中心厚度CT7满足0.5＜(CT2+CT5)/CT7＜1.5。
  22. 根据权利要求12至21中任一项所述的光学成像镜头，其特征在于，所述光学成像镜头的最大半视场角HFOV满足22°＜HFOV＜29°。
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