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WO2020062893A1 - Objectif d'imagerie optique - Google Patents

Objectif d'imagerie optique 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
Prior art date
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Ceased
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PCT/CN2019/087374
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English (en)
Chinese (zh)
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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Publication date
Application filed by Zhejiang Sunny Optics Co Ltd filed Critical Zhejiang Sunny Optics Co Ltd
Publication of WO2020062893A1 publication Critical patent/WO2020062893A1/fr
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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

La présente invention concerne un objectif d'imagerie optique qui comprend, séquentiellement d'un côté objet à un côté image le long d'un axe optique: une première lentille (E1), une deuxième lentille (E2), une troisième lentille (E3), une quatrième lentille (E4), une cinquième lentille (E5), une sixième lentille (E6) et une septième lentille (E7). La première lentille (E1) a une puissance optique positive; la deuxième lentille (E2) a une puissance optique, une surface côté objet (S3) de celui-ci étant une surface convexe; la troisième lentille (E3) a une puissance optique; la quatrième lentille (E4) a une puissance optique négative, une surface côté objet (S7) et une surface côté image (S8) de celle-ci étant à la fois des surfaces concaves; la cinquième lentille (E5) a une puissance optique; la sixième lentille (E6) a une puissance optique négative, une surface côté image (S12) de celle-ci étant une surface concave; et la septième lentille (E7) a une puissance optique. Une distance d'espacement T56 entre la cinquième lentille (E5) et la sixième lentille (E6) sur l'axe optique, une distance d'espacement T12 entre la première lentille (E1) et la deuxième lentille (E2) sur l'axe optique, et une distance d'espacement T23 entre la deuxième lentille (E2) et la troisième lentille (E3) sur l'axe optique satisfaisant Le critère de 2 ＜ T56/ (T12 + T23)/5 ＜ 3.
PCT/CN2019/087374 2018-09-26 2019-05-17 Objectif d'imagerie optique Ceased WO2020062893A1 (fr)

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