CN111812803A - Large-field-of-view and large-aperture 4K high-definition optical system - Google Patents
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- CN111812803A CN111812803A CN202010672897.8A CN202010672897A CN111812803A CN 111812803 A CN111812803 A CN 111812803A CN 202010672897 A CN202010672897 A CN 202010672897A CN 111812803 A CN111812803 A CN 111812803A
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- 238000003384 imaging method Methods 0.000 abstract description 5
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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
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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Abstract
The invention relates to the technical field of optical systems, in particular to a 4K high-definition optical system with a large field of view and a large aperture, which is sequentially provided with the following components from an object space to an image space: the device comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, an eleventh lens, an IR filter and a photosensitive chip; the invention adopts a complex structure to well eliminate the aberration of the system such as spherical aberration, coma, astigmatism, curvature of field and the like, the problems of chromatic aberration of the system can be effectively solved by the first cemented lens, the second cemented lens, the third cemented lens and the fourth cemented lens, the tolerance sensitivity of an optical system can be reduced, the process conditions are improved, the imaging quality of the lens is improved, the full-glass spherical structure is adopted, the temperature stability is higher, the temperature drift phenomenon of the plastic lens is avoided, and the invention has the advantages of large field angle, high image quality and short large aperture length.
Description
Technical Field
The invention relates to the technical field of optical systems, in particular to a 4K high-definition optical system with a large field of view and a large aperture.
Background
An optical system (optical system) is a system in which a plurality of optical elements such as a lens, a mirror, a prism, and a diaphragm are combined in a certain order. Are commonly used for imaging or optical information processing. The optical system composed of two or more refracting (or reflecting) spherical surfaces with the centers of curvature on the same straight line is called as a coaxial spherical system, and the straight line with the center of curvature is called as an optical axis. An optical system considers a series of problems such as the size of an imaging range, the size of an imaging beam aperture angle, the width of an imaging band, and the sharpness and illuminance of an image, in addition to problems related to gaussian optics such as the conjugate position of an object image, the magnification, the relay and the turning optical path. An actual optical system satisfying a series of requirements is often not a simple combination of several lenses, but is composed of a series of various optical parts such as a lens, a curved mirror, a plane mirror, a reflecting prism, and a reticle, and a desirable high-quality system can be obtained by means of appropriate setting of a diaphragm, fine correction of aberration, and appropriate determination of the lateral dimensions of the optical parts.
The existing security lens has the following problems: the use of an aspherical lens in the case where the system is insufficient in definition, or sufficient in definition increases the cost, or the amount of light passing is insufficient. Therefore, the lens needs to meet the requirements of high definition and large light-passing aperture and large field of view of the all-glass lens.
Based on the technical scheme, the invention designs the 4K high-definition optical system with the large field of view and the large aperture to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a 4K high-definition optical system with a large field of view and a large aperture.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a big visual field, big light ring 4K high definition optical system, has set gradually from the object space to the image space:
the first lens is a negative focal spherical lens, the surface of the first lens facing an object space is a convex surface, the surface of the first lens facing an image space is a concave surface, and the radius of the surface of the first lens facing the object space is greater than that of the surface of the first lens facing the image space;
the second lens is a negative focal spherical lens, both surfaces of the second lens are concave surfaces, and the radius of the surface of the second lens facing an object side is larger than that of the surface of the second lens facing an image side;
the third lens is a negative focal spherical lens, the surface of the third lens facing the object space is a convex surface, the surface of the third lens facing the image space is a concave surface, and the radius of the surface of the third lens facing the object space is greater than that of the surface of the third lens facing the image space;
the fourth lens is a positive focal spherical lens, both surfaces of the fourth lens are convex surfaces, and the radius of the surface of the fourth lens facing the object side is smaller than that of the surface of the fourth lens facing the image side;
a diaphragm;
the fifth lens is a positive focal spherical lens, two surfaces of the fifth lens are convex surfaces, and the radius of the surface of the fifth lens facing the object side is smaller than that of the surface of the fifth lens facing the image side;
the sixth lens is a positive focal spherical lens, both surfaces of the sixth lens are convex surfaces, and the radius of the surface of the sixth lens facing the object side is equal to the radius of the surface of the sixth lens facing the image side;
the seventh lens is a negative focal spherical lens, two surfaces of the seventh lens are both concave surfaces, and the radius of the surface of the seventh lens facing the object side is larger than that of the surface of the seventh lens facing the image side;
the lens comprises an eighth lens and a fourth lens, wherein the eighth lens is a positive focal spherical lens, two surfaces of the eighth lens are convex surfaces, and the radius of the surface of an object side of the eighth lens is larger than that of the surface of the eighth lens facing an image side;
the ninth lens is a negative focal spherical lens, the surface of the ninth lens facing the object side is a concave surface, the surface of the ninth lens facing the image side is a convex surface, and the radius of the surface of the ninth lens facing the object side is smaller than that of the surface of the ninth lens facing the image side;
the tenth lens is a positive focal spherical lens, both surfaces of the tenth lens are convex surfaces, and the radius of the surface of an object side of the tenth lens is larger than that of the surface of the tenth lens facing an image side;
the surface of the eleventh lens, which faces the object side, is a concave surface, and the surface of the eleventh lens, which faces the image side, is a convex surface, and the radius of the surface of the eleventh lens, which faces the object side, is smaller than the radius of the surface of the eleventh lens, which faces the image side;
an IR filter;
and a photosensitive chip.
Further, the third lens and the fourth lens are combined into a first cemented lens, and the sixth lens and the seventh lens are combined into a second cemented lens.
Further, the eighth lens and the ninth lens are combined into a cemented lens three, and the tenth lens and the eleventh lens are combined into a cemented lens four.
Further, the focal length of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the first cemented lens, the second cemented lens, the third cemented lens, and the fourth cemented lens satisfies the following expression: f 1/f-3.3324, f 2/f-2.0758, f 3/f-3.2049, f 4/f-1.8117, f 5/f-2.6477, f 6/f-3.2947, f 7/f-1.3372, f 8/f-2.3004, f 9/f-2.6923, f 10/f-1.5368, f 11/f-2.9887, f 15/f-3.8369, f 16/f-2.6221, f 17/f-14.1930, and f 18/f-2.9048; wherein f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f15, f16, f17 and f18 are respectively the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the first cemented lens, the second cemented lens, the third cemented lens and the fourth cemented lens, and f is the focal length of the optical imaging system.
Further, the refractive indexes of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens and the eleventh lens satisfy the following expressions: n isdLens1＝1.755，ndLens2＝1.755，ndLens3＝1.946，ndLens4＝1.954，ndLens5＝1.923，ndLens6＝1.497，ndLens7＝1.805，ndLens8＝1.497，ndLens9＝2.000，ndLens10＝1.741，ndLens111.740; wherein n isdLens1、ndLens2、ndLens3、ndLens4、ndLens5、ndLens6、ndLens7、ndLens8、ndLens9、ndLens10、ndLens11The refractive index of each of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens, and the tenth lens is higher than that of the fifth lens.
Further, an air space d between the first lens and the second lens14.173mm, air space d between the second and third lenses23.385mm, air space d between the fourth lens and the diaphragm36.384mm, the air space d between the diaphragm and the fifth lens41.233mm, the air space d between the fifth lens and the sixth lens50.127mm, the air space d between the seventh lens and the eighth lens60.773mm, the air space d between the ninth lens and the tenth lens7＝0.125mm。
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts a complex structure to well eliminate the aberration of the system, such as spherical aberration, coma, astigmatism, field curvature and the like.
2. According to the invention, the first cemented lens is formed by combining the third lens and the fourth lens, the second cemented lens is formed by combining the sixth lens and the seventh lens, the third cemented lens is formed by combining the eighth lens and the ninth lens, and the fourth cemented lens is formed by combining the tenth lens and the eleventh lens.
3. The invention adopts the full-glass spherical structure, has higher temperature stability and avoids the phenomenon of temperature drift of the plastic lens.
4. The invention realizes large field angle (the field angle reaches 129 degrees), high image quality, large aperture (the F-number reaches F1.6) and short length (the total optical length is 40 mm).
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the optical path of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first lens; 2. a second lens; 3. a third lens; 4. a fourth lens; 5. a diaphragm; 6. a fifth lens; 7. a sixth lens; 8. a seventh lens; 9. an eighth lens; 10. a ninth lens; 11. a tenth lens; 12. an eleventh lens; 13. an IR filter; 14. a photosensitive chip; 15. a first cemented lens; 16. a second cemented lens; 17. a third cemented lens; 18. and a fourth cemented lens.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment provides a technical solution: the utility model provides a big visual field, big light ring 4K high definition optical system, has set gradually from the object space to the image space:
the first lens 1, the first lens 1 is a negative focal spherical lens, the surface of the first lens 1 facing the object space is a convex surface, the surface facing the image space is a concave surface, the radius of the surface of the first lens 1 facing the object space is greater than the radius of the surface facing the image space;
the second lens 2, the second lens 2 is a negative focal spherical lens, both surfaces of the second lens 2 are concave surfaces, and the radius of the surface of the second lens 2 facing the object space is larger than that of the surface of the second lens 2 facing the image space;
the third lens 3, the third lens 3 is a negative focal spherical lens, the surface of the third lens 3 facing the object space is a convex surface, the surface facing the image space is a concave surface, and the radius of the surface of the third lens 3 facing the object space is greater than that of the surface facing the image space;
the fourth lens 4 is a positive focal spherical lens, two surfaces of the fourth lens 4 are convex surfaces, and the radius of the surface of the fourth lens 4 facing the object side is smaller than that of the surface of the fourth lens 4 facing the image side;
a diaphragm 5;
the fifth lens 6 is a positive focal spherical lens, two surfaces of the fifth lens 6 are convex surfaces, and the radius of the surface of the fifth lens 6 facing the object side is smaller than that of the surface of the fifth lens 6 facing the image side;
the sixth lens 7 is a positive focal spherical lens, two surfaces of the sixth lens 7 are convex surfaces, and the radius of the surface of the sixth lens 7 facing the object side is equal to the radius of the surface of the sixth lens 7 facing the image side;
the seventh lens 8, the seventh lens 8 is a negative focal spherical lens, both surfaces of the seventh lens 8 are concave surfaces, and the radius of the surface of the seventh lens 7 facing the object side is larger than the radius of the surface of the seventh lens 7 facing the image side;
the eighth lens 9, the eighth lens 9 is a positive focal spherical lens, both surfaces of the eighth lens 9 are convex surfaces, and the surface radius of the object side of the eighth lens 9 is larger than the surface radius towards the image side;
the ninth lens 10, the ninth lens 10 is a negative focal spherical lens, the surface of the ninth lens 10 facing the object side is a concave surface, the surface facing the image side is a convex surface, and the radius of the surface of the ninth lens 10 facing the object side is smaller than the radius of the surface facing the image side;
a tenth lens 11, wherein the tenth lens 11 is a positive focal spherical lens, both surfaces of the tenth lens 11 are convex surfaces, and the radius of the object side surface of the tenth lens 11 is larger than the radius of the image side surface;
an eleventh lens 12, wherein the eleventh lens 12 is a negative focal spherical lens, a surface of the eleventh lens 12 facing an object side is a concave surface, a surface of the eleventh lens 12 facing an image side is a convex surface, and a radius of the surface of the eleventh lens 12 facing the object side is smaller than a radius of the surface of the eleventh lens 12 facing the image side;
an IR filter 13;
the photosensitive chip 14.
The third lens 3 and the fourth lens 4 are combined into a first cemented lens 15, and the sixth lens 7 and the seventh lens 8 are combined into a second cemented lens 16. The eighth lens 9 and the ninth lens 10 are combined into a cemented lens three 17, and the tenth lens 11 and the eleventh lens 12 are combined into a cemented lens four 18. The focal length of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 6, the sixth lens 7, the seventh lens 8, the eighth lens 9, the ninth lens 10, the tenth lens 11, the eleventh lens 12, the cemented lens one 15, the cemented lens two 16, the cemented lens three 17, and the cemented lens four 18 satisfies the following expression: f 1/f-3.3324, f 2/f-2.0758, f 3/f-3.2049, f 4/f-1.8117, f 5/f-2.6477, f 6/f-3.2947, f 7/f-1.3372, f 8/f-2.3004, f 9/f-2.6923, f 10/f-1.5368, f 11/f-2.9887, f 15/f-3.8369, f 16/f-2.6221, f 17/f-14.1930, and f 18/f-2.9048; wherein f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f15, f16, f17 and f18 are focal lengths of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 6, the sixth lens 7, the seventh lens 8, the eighth lens 9, the ninth lens 10, the tenth lens 11, the eleventh lens 12, the first cemented lens 15, the second cemented lens 16, the third cemented lens 17 and the fourth cemented lens 18, respectively, and f is a focal length of the optical imaging system. The refractive indices of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 6, the sixth lens 7, the seventh lens 8, the eighth lens 9, the ninth lens 10, the tenth lens 11, and the eleventh lens 12 satisfy the following expressions: n isdLens1＝1.755，ndLens2＝1.755，ndLens3＝1.946，ndLens4＝1.954，ndLens5＝1.923，ndLens6＝1.497，ndLens7＝1.805，ndLens8＝1.497，ndLens9＝2.000，ndLens10＝1.741，ndLens111.740; wherein n isdLens1、ndLens2、ndLens3、ndLens4、ndLens5、ndLens6、ndLens7、ndLens8、ndLens9、ndLens10、ndLens11The refractive indices of the first lens 1, the second lens 2, the third lens 3, the fourth lens 4, the fifth lens 6, the sixth lens 7, the seventh lens 8, the eighth lens 9, the ninth lens 10, and the tenth lens 11 are set. Air space d between first lens 1 and second lens 214.173mm, the air space d between the second lens 2 and the third lens 323.385mm, air space d between the fourth lens 4 and the diaphragm 536.384mm, the air gap d between the diaphragm 5 and the fifth lens 641.233mm, air space d between fifth lens 6 and sixth lens 750.127mm, air space d between seventh lens 8 and eighth lens 960.773mm, the air space d between the ninth lens 10 and the tenth lens 117＝0.125mm。
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a big visual field, big light ring 4K high definition optical system which characterized in that has set gradually from the object space to the image space:
the lens comprises a first lens (1), wherein the first lens (1) is a negative focal spherical lens, the surface of the first lens (1) facing an object side is a convex surface, the surface of the first lens (1) facing an image side is a concave surface, and the radius of the surface of the first lens (1) facing the object side is larger than that of the surface of the first lens (1) facing the image side;
the second lens (2) is a negative focal spherical lens, two surfaces of the second lens (2) are both concave surfaces, and the radius of the surface of the second lens (2) facing an object side is larger than that of the surface of the second lens (2) facing an image side;
the third lens (3) is a negative focal spherical lens, the surface of the third lens (3) facing the object space is a convex surface, the surface of the third lens (3) facing the image space is a concave surface, and the radius of the surface of the third lens (3) facing the object space is larger than that of the surface of the third lens (3) facing the image space;
the fourth lens (4) is a positive focal spherical lens, two surfaces of the fourth lens (4) are convex surfaces, and the radius of the surface of the fourth lens (4) facing an object side is smaller than that of the surface of the fourth lens (4) facing an image side;
a diaphragm (5);
the fifth lens (6) is a positive focal spherical lens, two surfaces of the fifth lens (6) are convex surfaces, and the radius of the surface of the fifth lens (6) facing an object side is smaller than that of the surface of the fifth lens (6) facing an image side;
the sixth lens (7) is a positive focal spherical lens, two surfaces of the sixth lens (7) are convex surfaces, and the radius of the surface of the sixth lens (7) facing the object side is equal to the radius of the surface of the sixth lens (7) facing the image side;
the seventh lens (8), the seventh lens (8) is a negative focal spherical lens, both surfaces of the seventh lens (8) are concave surfaces, and the surface radius of the seventh lens (7) towards the object side is larger than the surface radius towards the image side;
the eighth lens (9), the eighth lens (9) is a positive focal spherical lens, both surfaces of the eighth lens (9) are convex surfaces, and the surface radius of the object side of the eighth lens (9) is larger than the surface radius of the image side;
the ninth lens (10), the ninth lens (10) is a negative focal sphere lens, the surface of the ninth lens (10) facing the object side is a concave surface, the surface facing the image side is a convex surface, and the radius of the surface of the ninth lens (10) facing the object side is smaller than that of the surface facing the image side;
the tenth lens (11), the tenth lens (11) is a positive focal spherical lens, both surfaces of the tenth lens (11) are convex surfaces, and the surface radius of the tenth lens (11) on the object side is larger than the surface radius of the tenth lens on the image side;
the eleventh lens (12), the eleventh lens (12) is a negative focal sphere lens, the surface of the eleventh lens (12) facing the object side is a concave surface, the surface facing the image side is a convex surface, and the radius of the surface of the eleventh lens (12) facing the object side is smaller than the radius of the surface facing the image side;
an IR filter (13);
a photosensitive chip (14).
2. The large-field-of-view, large-aperture 4K high-definition optical system according to claim 1, wherein: the third lens (3) and the fourth lens (4) are combined into a first cemented lens (15), and the sixth lens (7) and the seventh lens (8) are combined into a second cemented lens (16).
3. The large-field-of-view, large-aperture 4K high-definition optical system according to claim 2, wherein: the eighth lens (9) and the ninth lens (10) are combined into a cemented lens three (17), and the tenth lens (11) and the eleventh lens (12) are combined into a cemented lens four (18).
4. The large-field-of-view, large-aperture 4K high-definition optical system according to claim 3, wherein: the focal length of the first lens (1), the second lens (2), the third lens (3), the fourth lens (4), the fifth lens (6), the sixth lens (7), the seventh lens (8), the eighth lens (9), the ninth lens (10), the tenth lens (11), the eleventh lens (12), the first cemented lens (15), the second cemented lens (16), the third cemented lens (17) and the fourth cemented lens (18) satisfies the following expression: f 1/f-3.3324, f 2/f-2.0758, f 3/f-3.2049, f 4/f-1.8117, f 5/f-2.6477, f 6/f-3.2947, f 7/f-1.3372, f 8/f-2.3004, f 9/f-2.6923, f 10/f-1.5368, f 11/f-2.9887, f 15/f-3.8369, f 16/f-2.6221, f 17/f-14.1930, and f 18/f-2.9048; wherein f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f15, f16, f17 and f18 are focal lengths of a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (6), a sixth lens (7), a seventh lens (8), an eighth lens (9), a ninth lens (10), a tenth lens (11), an eleventh lens (12), a first cemented lens (15), a second cemented lens (16), a third cemented lens (17) and a fourth cemented lens (18), respectively, and f is a focal length of the optical imaging system.
5. The large-field-of-view, large-aperture 4K high-definition optical system according to claim 1, wherein: the refractive indexes of the first lens (1), the second lens (2), the third lens (3), the fourth lens (4), the fifth lens (6), the sixth lens (7), the seventh lens (8), the eighth lens (9), the ninth lens (10), the tenth lens (11) and the eleventh lens (12) satisfy the following expressions: n isdLens1＝1.755，ndLens2＝1.755，ndLens3＝1.946，ndLens4＝1.954，ndLens5＝1.923，ndLens6＝1.497，ndLens7＝1.805，ndLens8＝1.497，ndLens9＝2.000，ndLens10＝1.741，ndLens111.740; wherein n isdLens1、ndLens2、ndLens3、ndLens4、ndLens5、ndLens6、ndLens7、ndLens8、ndLens9、ndLens10、ndLens11The refractive index of each of the first lens (1), the second lens (2), the third lens (3), the fourth lens (4), the fifth lens (6), the sixth lens (7), the seventh lens (8), the eighth lens (9), the ninth lens (10), and the tenth lens (11).
6. The large-field-of-view, large-aperture 4K high-definition optical system according to claim 1, wherein: an air space d between the first lens (1) and the second lens (2)14.173mm, the air space d between the second lens (2) and the third lens (3)23.385mm, the air space d between the fourth lens (4) and the diaphragm (5)36.384mm, the air space d between the diaphragm (5) and the fifth lens (6)41.233mm, the air space d between the fifth lens (6) and the sixth lens (7)50.127mm, the air space d between the seventh lens (8) and the eighth lens (9)60.773mm, the air space d between the ninth lens (10) and the tenth lens (11)7＝0.125mm。
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| CN202010672897.8A CN111812803A (en) | 2020-07-14 | 2020-07-14 | Large-field-of-view and large-aperture 4K high-definition optical system |
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| CN (1) | CN111812803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394481A (en) * | 2020-11-18 | 2021-02-23 | 西安玄瑞光电科技有限公司 | Super large relative aperture shimmer camera lens |
-
2020
- 2020-07-14 CN CN202010672897.8A patent/CN111812803A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394481A (en) * | 2020-11-18 | 2021-02-23 | 西安玄瑞光电科技有限公司 | Super large relative aperture shimmer camera lens |
| CN112394481B (en) * | 2020-11-18 | 2023-10-24 | 西安玄瑞光电科技有限公司 | Ultra-large relative aperture low-light lens |
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Application publication date: 20201023 |
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