CN104793321B - Ultra-large vision field fish eye lens - Google Patents
Ultra-large vision field fish eye lens Download PDFInfo
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- CN104793321B CN104793321B CN201510167082.3A CN201510167082A CN104793321B CN 104793321 B CN104793321 B CN 104793321B CN 201510167082 A CN201510167082 A CN 201510167082A CN 104793321 B CN104793321 B CN 104793321B
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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
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
The invention discloses a kind of ultra-large vision field fish eye lens, optical system is 4 group of 5 chip architecture, and from left to right, the composition form of lens is：First group of lens with negative diopter and second group of lens with positive diopter.First group is followed successively by two pieces of lens of first piece of negative lens and second piece of negative lens and constitutes by object space to image space；Second group is made up of the 3rd piece of positive lens, three pieces of lens of the 4th piece of positive lens and the 5th piece of negative lens, wherein the 4th piece and the 5th piece is balsaming lens, stop position is located between the 3rd piece and the 4th piece of lens.This optical system obtains first group of parameter of lens by optimization method, it is ensured that second group aberration etc. offsets first group of aberration for bringing, the characteristics of this optical system has simple structure, good imaging quality.
Description
Technical field
The present invention relates to a kind of optical lens, more particularly to a kind of optics wide-angle lens is applied to optical imagery and shadow
As collecting device technical field.
Background technology
Fish eye lens system refers to that the angle of visual field reaches 180 °, an even more big optical system, propose earliest be
1932.Some fish eye lens mentality of designing methods of early stage are very simple, it is impossible to produced by enough good compensation optical systems
Aberration, therefore, image quality is not fine.With later stage theoretical gradually perfect, by the compensation calculation of aberration, Yi Jiguang
The optimization function of software is learned, high-quality imaging system can be obtained, but, resulting optical system is typically complex,
Lens number is relatively more, considerably increases the difficulty of manufacturing technology and precision, and, forefathers' is theoretical in fish eye lens design
With certain limitation.
The content of the invention
In order to solve prior art problem, it is an object of the invention to overcome the shortcomings of that prior art is present, there is provided a kind of
Ultra-large vision field fish eye lens, using plane symmetry optical theory, first group of lens are the optimization by plane symmetry optical theory
On the basis of obtain, second group be on the basis of Tessar object lens, by compensate first group of aberration for being brought obtained to optimize,
In view of the versatility of plane symmetry optical theory, obtains extraordinary imaging effect.
Purpose is created to reach foregoing invention, the present invention uses following technical proposals：
A kind of ultra-large vision field fish eye lens, optical system be 4 group of 5 chip architecture, along the public axis of eyeglass from a left side to
Right spread configuration, the composition form of lens is：First group of lens with negative diopter and second group with positive diopter thoroughly,
First group of lens is arranged in order group by left side object space by two pieces of lens of first piece of negative lens and second piece of negative lens to right side image space
Into second group of lens is arranged successively from left to right by the 3rd piece of positive lens, three pieces of lens of the 4th piece of positive lens and the 5th piece of negative lens
Row composition, wherein the 4th piece of positive lens and the 5th piece of negative lens group are combined into cemented doublet, i.e., it is just saturating towards the 4th piece of image planes
Minute surface fits to form unite two into one public completely before minute surface and the 5th piece the 5th of negative lens the towards object plane after the 4th of mirror
Lens face, stop position is located between the 3rd piece of positive lens and the 4th piece of positive lens, first piece of negative lens or the 3rd piece of positive lens
Curved surface be non-spherical structure, wherein the non-spherical structure of first piece of negative lens and the 3rd piece of positive lens meets following condition：
x'2+y'2=a1z'+a2z'2 (ⅰ)
In above-mentioned formula (I), a1=2R0, R0It is the radius of curvature at the origin of coordinates；a2It is face type coefficient, for a2＜ -1,
a2=-1, -1 ＜ a2＜ 0, a2=0 and a2During ＞ 0, formula (I) represent respectively flat ellipsoid, sphere, prolate ellipsoid, parabola and
It is double
Used as currently preferred technical scheme, whole optical system uses glass material, first piece of negative lens and second
The material of block negative lens all use refractive index n for 1.6986 N-LAK14, the material of the 3rd piece of positive lens use refractive index n for
1.6727 N-SF5, the material of the 4th piece of positive lens use refractive index n for 1.48656 N-FK51, the 5th block of material of negative lens
Material use refractive index n for 1.80518 SFL6.
As a kind of further preferred technical scheme of the invention, towards first piece the first of negative lens of object plane before mirror
The asphericity coefficient in face is -0.4, towards first piece the first of negative lens of image planes after each minute surface of minute surface and other lenses be
Sphere.
As the further preferred technical scheme of another kind of the invention, towards before first piece the first of negative lens of object plane
The asphericity coefficient of minute surface be -0.44, towards second piece the second of negative lens of object plane before minute surface asphericity coefficient for -
0.89, towards first piece the first of negative lens of image planes after minute surface, towards minute surface after second piece the second of negative lens of image planes and other
Each minute surface of lens is sphere.
Used as the further preferred technical scheme of such scheme of the present invention, the hole shape of diaphragm is circle, aperture diameter
Close to 5mm.
As the further preferred technical scheme of such scheme of the present invention, the structure of each element of its optical system is set
Parameter follows following evaluation function：
In above-mentioned formula (II), Qx(i)、Qy(i)Be i-th object point of visual field in image planes aperture ray aberration in meridian and
The root-mean-square value in sagitta of arc direction, Qc(i)、Qη(i)Represent the chromatic longitudiinal aberration and axial chromatic aberration of optical system, εi、μiAnd ηiIt is corresponding
The weight factor of item；Qx(i)And Qy(i)Calculation expression be：
In above-mentioned formula (III), Wq and L is respectively light beam in optical system towards the 5th piece the 5th of negative lens the of image planes
Afterwards along meridian (x) and the projected length in the sagitta of arc (y) direction on minute surface；Chromatic longitudiinal aberration component Qc(i)Calculation expression be：
Qc(i)=| hF'-hC'| (ⅳ)
In above-mentioned formula (IV), hF' and hC' be respectively the chief ray of F light and C light with the intersection point of image plane and optical axis away from
From；Being calculated following calculation expression by chief ray ray-tracing equation is：
In above-mentioned formula (V), ρgIt is g-th radius of curvature of optical surface；h'、MlO'、ωg、βg、Γg、r0' geometry
The figure (10) that meaning is shown in Figure of description；Axial chromatic aberration component Qη(i)Calculation expression be：
In above-mentioned formula (VI), θD(i)It is the i-th D light of the angle of visual field at the light beam semiaperture angle of image space, r 'mF(i)、
r′mC(i)With r 'mD(i)F light, the distance of C light and D light along chief ray between last optical surface and image planes, ω are represented respectivelyn(i)Table
Show the field angle of image of optical system.
The present invention compared with prior art, substantive distinguishing features and remarkable advantage is obviously protruded with following：
1. ultra-large vision field fish eye lens of the present invention uses plane symmetry optical theory, and optimization first obtains first group of ginseng
Number, then according to theory so that second group come the aberration produced by compensating first group, it is adaptable to more than 180 ° of visual field flake mirrors
Head optical system, is particularly suitable for the application in fish eye lens camera, is used especially for camera lens；
2. ultra-large vision field FISH EYE LENS OPTICS of the present invention systematic comparison is simple, and lens number is fewer, greatly reduces system
The precision and difficulty of wide-angle lens technology are made, more preferable imaging effect is obtained, cost is lower.
Brief description of the drawings
Fig. 1 is the structural representation of the ultra-large vision field FISH EYE LENS OPTICS system of the embodiment of the present invention one.
Embodiment one and the FISH EYE LENS OPTICS system point range of embodiment two when (a) and (b) is respectively 5 ° of angles of visual field in Fig. 2
Figure.
Embodiment one and the FISH EYE LENS OPTICS system point range of embodiment two when (a) and (b) is respectively 25 ° of angles of visual field in Fig. 3
Figure.
Embodiment one and the FISH EYE LENS OPTICS system point range of embodiment two when (a) and (b) is respectively 45 ° of angles of visual field in Fig. 4
Figure.
Embodiment one and the FISH EYE LENS OPTICS system point range of embodiment two when (a) and (b) is respectively 65 ° of angles of visual field in Fig. 5
Figure.
Embodiment one and the FISH EYE LENS OPTICS system point range of embodiment two when (a) and (b) is respectively 80 ° of angles of visual field in Fig. 6
Figure.
(a) and (b) is respectively the curvature of field curve and comparison diagram of embodiment one and embodiment two in Fig. 7.
Fig. 8 for before the first of the FISH EYE LENS OPTICS system of the embodiment of the present invention one minute surface be aspherical MTF curve contrast
Figure.
Fig. 9 is for minute surface is aspherical before minute surface and second before the first of the FISH EYE LENS OPTICS system of the embodiment of the present invention two
MTF curve comparison diagram.
Figure 10 is chief ray by the FISH EYE LENS OPTICS system of the embodiment of the present invention one towards the 5th piece of negative lens of image planes
The 5th after minute surface and image planes intersection point schematic diagram.
Specific embodiment
By two pieces of FISH EYE LENS OPTICS systems born based on curved lens add Tessar objective lens arrangements, the present invention is with plane
It is theoretical foundation that symmetrical optical is theoretical, and the problems such as take into account technical costs, details are as follows for the preferred embodiments of the present invention：
Embodiment one：
In the present embodiment, referring to Fig. 1~8 and Figure 10, a kind of ultra-large vision field fish eye lens, it is characterised in that optical system
It is 4 group of 5 chip architecture to unite, and along the public axis of eyeglass from left to right spread configuration, the composition form of lens is：Bent with negative
Thoroughly, first group of lens is negative saturating by first piece of negative lens and second piece for first group of lens of luminosity and second group with positive diopter
Two pieces of lens of mirror are arranged in order to right side image space by left side object space and constituted, second group of lens by the 3rd piece of positive lens, the 4th piece just
Three pieces of lens of lens and the 5th piece of negative lens are arranged in order composition from left to right, first group of lens, second piece it is negative thoroughly, the 3rd piece just
The minute surface towards object plane of lens, the 4th piece of positive lens and the 5th piece of negative lens be from left to right followed successively by first before minute surface 1, second
Minute surface before minute surface 8 and the 5th before minute surface the 5, the 4th before preceding minute surface the 3, the 3rd, first group of lens, second piece it is negative thoroughly, the 3rd piece it is just saturating
The minute surface towards image planes of mirror, the 4th piece of positive lens and the 5th piece of negative lens be from left to right followed successively by first after after minute surface 2, second
Minute surface 10 after minute surface and the 5th after minute surface the 6, the 4th after minute surface the 4, the 3rd, wherein the 4th piece of positive lens and the 5th piece of negative lens combination
It is cemented doublet, i.e., towards the of minute surface after the 4th piece the 4th of positive lens the of image planes and the 5th piece of negative lens towards object plane
Minute surface is fitted the common lens face 9 to be formed and united two into one completely before five, and the position of diaphragm 7 is being located at the 3rd piece of positive lens and the 4th piece just
Between lens, first piece of negative lens or the 3rd piece of curved surface of positive lens are non-spherical structure, wherein first piece of negative lens and the 3rd
The non-spherical structure of block positive lens meets following condition：
x'2+y'2=a1z'+a2z'2 (ⅰ)
In above-mentioned formula (I), a1=2R0, R0It is the radius of curvature at the origin of coordinates；a2It is face type coefficient, for a2＜ -1,
a2=-1, -1 ＜ a2＜ 0, a2=0 and a2During ＞ 0, formula (I) represent respectively flat ellipsoid, sphere, prolate ellipsoid, parabola and
Hyperboloid.
In the present embodiment, referring to Fig. 1, first piece of negative lens and second block of material of negative lens all use refractive index n for
1.6986 N-LAK14, the material of the 3rd piece of positive lens use refractive index n for 1.6727 N-SF5, the 4th block of material of positive lens
Material use refractive index n for 1.48656 N-FK51, the material of the 5th piece of negative lens use refractive index n for 1.80518 SFL6.
In the present embodiment, referring to Fig. 1 and table 1 below, towards first piece the first of negative lens of object plane before minute surface 1 it is non-
Asphere coefficient is -0.4, towards first piece the first of negative lens of image planes after each minute surface of minute surface 2 and other lenses be sphere,
The global configuration parameter for setting ultra-large vision field FISH EYE LENS OPTICS system is as follows：
Optical system total focal length is：EFL=16.67；
Optical system total length：L=95.49；
Full filed angle：0°≤2ω≤180°；
Dominant wavelength：0.58756；
Back focal length：lF=38.93；
Relative aperture：F/#=5.65；
In the present embodiment, referring to Fig. 1, along the common central axis line of each lens element, first group of lens, second piece bear
Thoroughly, the interior thickness of the 3rd piece of positive lens, the 4th piece of positive lens and the 5th piece of negative lens is respectively d1, d3, d5, d8 and d9, the
After one before minute surface 2 and second between minute surface 3 between minute surface 5 before minute surface 4 and the 3rd after distance, second of axis along axis
Distance, the 3rd after between minute surface 6 and the hole center of diaphragm 7 along minute surface before the distance of axis, the hole center and the 4th of diaphragm 7
Between 8 along after distance, the 5th of axis between minute surface 10 and image planes along the distance of axis be respectively d2, d4, d6, d7 and
d10。
In the present embodiment, referring to table 1 below, each component parameter for setting ultra-large vision field FISH EYE LENS OPTICS system is as follows：
Each component parameter list of the ultra-large vision field FISH EYE LENS OPTICS system of 1. embodiment of table one
Embodiment two：
The present embodiment is essentially identical with embodiment one, and difference is：
In the present embodiment, referring to Fig. 1~9 and table 2 below, towards first piece the first of negative lens of object plane before minute surface 1
Asphericity coefficient be -0.44, towards second piece the second of negative lens of object plane before minute surface 3 asphericity coefficient be -0.89, court
To minute surface 2 after first piece the first of negative lens of image planes, towards each of minute surface 4 after second piece of negative lens second of image planes and other lenses
Minute surface is sphere.The global configuration parameter for setting ultra-large vision field FISH EYE LENS OPTICS system is as follows：
Optical system total focal length is：EFL=14.64；
Optical system total length：L=96.40；
Full filed angle：0°≤2ω≤180°；
Dominant wavelength：0.58756；
Back focal length：lF=36.92；
Relative aperture：F/#=4.95.
In the present embodiment, referring to table 2 below, each component parameter for setting ultra-large vision field FISH EYE LENS OPTICS system is as follows：
Each component parameter list of the ultra-large vision field FISH EYE LENS OPTICS system of 2. embodiment of table two
Experimental contrast analysis：
Ultra-large vision field fish eye lens in above-described embodiment, set each element of its optical system structural parameters follow as
Lower evaluation function：
In above-mentioned formula (II), Qx(i)、Qy(i)Be i-th object point of visual field in image planes aperture ray aberration in meridian and
The root-mean-square value in sagitta of arc direction, Qc(i)、Qη(i)Represent the chromatic longitudiinal aberration and axial chromatic aberration of optical system, εi、μiAnd ηiIt is corresponding
The weight factor of item；Qx(i)And Qy(i)Calculation expression be：
In above-mentioned formula (III), Wq and L be respectively light beam on the last optical mirror plane 10 of optical system along meridian (x) and
The projected length in the sagitta of arc (y) direction；Chromatic longitudiinal aberration component Qc(i)Calculation expression be：
Qc(i)=| hF'-hC'| (ⅳ)
In above-mentioned formula (IV), hF' and hC' be respectively the chief ray of F light and C light with the intersection point of image plane and optical axis away from
From；Being calculated following calculation expression by chief ray ray-tracing equation is：
In above-mentioned formula (V), ρgIt is g-th radius of curvature of optical surface；h'、MlO'、ωg、βg、Γg、r0' geometry
The figure (10) that meaning is shown in Figure of description；Axial chromatic aberration component Qη(i)Calculation expression be：
In above-mentioned formula (VI), θD(i)It is the i-th D light of the angle of visual field at the light beam semiaperture angle of image space, r 'mF(i)、
r′mC(i)With r 'mD(i)F light, the distance of C light and D light along chief ray between last optical surface and image planes, ω are represented respectivelyn(i)Table
Show the field angle of image of optical system.
Using formula (II)-(VI) of above-mentioned evaluation function, the evaluation function value of this flake system is obtained, be shown in Table 3.
The fish eye lens evaluation function of table 3. and each component value (× 10-3)
Fig. 8 for before the first of the FISH EYE LENS OPTICS system of the embodiment of the present invention one minute surface be aspherical MTF curve contrast
Figure, the spatial frequency of the curve in figure is respectively 10 lines per millimeters and 30 lines per millimeters；Fig. 9 is the fish eye lens of the embodiment of the present invention two
Minute surface is aspherical MTF curve comparison diagram before minute surface and second before the first of optical system, the spatial frequency of curve point in figure
Wei not 10 lines per millimeters and 30 lines per millimeters.Optical system of the present invention obtains first group of parameter of lens by optimization method, it is ensured that
Second group aberration etc. offsets first group of aberration for bringing.Therefore, this optical system has simple structure, the spy of good imaging quality
Point.
The embodiment of the present invention is illustrated above in conjunction with accompanying drawing, but the invention is not restricted to above-described embodiment, can be with
The purpose of innovation and creation of the invention makes various changes, under all Spirit Essence and principle according to technical solution of the present invention
Change, modification, replacement, combination, the simplification made, should be equivalent substitute mode, as long as meeting goal of the invention of the invention, only
Otherwise away from the fish-eye know-why of ultra-large vision field of the present invention and inventive concept, belong to protection scope of the present invention.
Claims (5)
1. a kind of ultra-large vision field fish eye lens, it is characterised in that optical system is two group of 5 chip architecture, along eyeglass it is public in
Axis from left to right spread configuration, the composition form of lens is：First group of lens with negative diopter and with positive diopter
Second group thoroughly, first group of lens are by two pieces of lens of first piece of negative lens and second piece of negative lens by left side object space to right side
Image space is arranged in order composition, and second group of lens are by the 3rd piece of positive lens, the 4th piece of positive lens and the 5th piece of three pieces of negative lens
Lens are arranged in order composition from left to right, wherein the 4th piece of positive lens and the 5th piece of negative lens group are combined into double gluings thoroughly
Mirror, i.e., towards image planes the 4th piece of positive lens the 4th after minute surface and the 5th piece of negative lens towards object plane the 5th
Preceding minute surface is fitted the common lens face (9) to be formed and united two into one completely, and diaphragm (7) position is located at the 3rd piece of positive lens and institute
State between the 4th piece of positive lens, the curved surface of first piece of negative lens or the 3rd piece of positive lens is non-spherical structure, wherein
The non-spherical structure of first piece of negative lens and the 3rd piece of positive lens meets following condition：
x'2+y'2=a1z'+a2z'2 (ⅰ)
In above-mentioned formula (I), a1=2R0, R0It is the radius of curvature at the origin of coordinates；a2It is face type coefficient, for a2＜ -1, a2
=-1, -1 ＜ a2＜ 0, a2=0 and a2During ＞ 0, formula (I) represents flat ellipsoid, sphere, prolate ellipsoid, parabola and double respectively
Curved surface；
The material of first piece of negative lens and second piece of negative lens all use refractive index n for 1.6986 N-LAK14, institute
State the 3rd piece of positive lens material use refractive index n for 1.6727 N-SF5, the material of the 4th piece of positive lens is using refraction
Rate n is 1.48656 N-FK51, the material of the 5th piece of negative lens use refractive index n for 1.80518 SFL6.
2. ultra-large vision field fish eye lens according to claim 1, it is characterised in that：Towards first piece of negative lens of object plane
First before minute surface (1) asphericity coefficient be -0.4, towards image planes first piece of negative lens first after minute surface (2) and
Each minute surface of other lenses is sphere.
3. ultra-large vision field fish eye lens according to claim 1, it is characterised in that：Towards first piece of negative lens of object plane
First before minute surface (1) asphericity coefficient be -0.44, towards object plane second piece of negative lens second before minute surface (3)
Asphericity coefficient be -0.89, towards first piece described in image planes the first of negative lens after minute surface (2), towards described in image planes second
Each minute surface of minute surface (4) and other lenses is sphere after block negative lens second.
4. the ultra-large vision field fish eye lens according to any one in claims 1 to 3, it is characterised in that：The diaphragm (7)
Hole shape is circle, and aperture diameter is close to 5mm.
5. the ultra-large vision field fish eye lens according to any one in claims 1 to 3, it is characterised in that：Its optical system is set
The structural parameters of each element of system follow following evaluation function：
In above-mentioned formula (II), Qx(i)、Qy(i)Be i-th object point of visual field in image planes aperture ray aberration in meridian and the sagitta of arc
The root-mean-square value in direction, Qc(i)、Qη(i)Represent the chromatic longitudiinal aberration and axial chromatic aberration of optical system, εi、μiAnd ηiIt is corresponding entry
Weight factor；Qx(i)And Qy(i)Calculation expression be：
In above-mentioned formula (iii), Wq and L be respectively light beam on the last optical mirror plane (10) of optical system along meridian (x) and
The projected length in the sagitta of arc (y) direction；Chromatic longitudiinal aberration component Qc(i)Calculation expression be：
Qc(i)=| hF'-hC'| (ⅳ)
In above-mentioned formula (IV), hF' and hC' it is respectively F light and the chief ray of C light and the intersection point of image plane and the distance of optical axis；It is logical
Cross chief ray ray-tracing equation and be calculated following calculation expression and be：
In above-mentioned formula (V), ρgIt is g-th radius of curvature of optical surface；Axial chromatic aberration component Qη(i)Calculation expression be：
In above-mentioned formula (vi), θD(i)It is the i-th D light of the angle of visual field at the light beam semiaperture angle of image space, r 'mF(i)、r′mC(i)
F light, distance of the C light along chief ray between last optical surface and image planes, ω are represented respectivelyn(i)Represent that the image space of optical system is regarded
Rink corner.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137574B (en) * | 2015-09-11 | 2017-12-08 | 舜宇光学(中山)有限公司 | A kind of pin hole optical lens |
| CN105445910B (en) * | 2015-09-17 | 2017-12-05 | 上海大学 | Ultra-large vision field fish eye lens comprising non-spherical structure lens |
| CN105844584B (en) * | 2016-03-19 | 2019-08-06 | 上海大学 | The method for correcting fisheye image distortion |
| CN106443989A (en) * | 2016-07-21 | 2017-02-22 | 苏州莱能士光电科技股份有限公司 | Quick-shift two-focal length lens |
| TWI699550B (en) * | 2016-08-29 | 2020-07-21 | 揚明光學股份有限公司 | An optical lens |
| CN107121758B (en) * | 2017-06-29 | 2020-12-25 | 广东弘景光电科技股份有限公司 | High-pixel ultra-wide-angle optical system and camera module applying same |
| CN111708157B (en) * | 2020-07-15 | 2023-07-28 | 江西凤凰光学科技有限公司 | Fisheye vehicle-mounted lens, photographing optical device and vehicle-mounted camera |
| CN114265183A (en) * | 2021-12-23 | 2022-04-01 | 常州工学院 | Miniature fish-eye lens for office |
| CN114415349B (en) * | 2022-03-30 | 2022-09-13 | 江西联创电子有限公司 | Optical lens |
Family Cites Families (4)
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|---|---|---|---|---|
| JP4819203B2 (en) * | 2009-12-07 | 2011-11-24 | オリンパスメディカルシステムズ株式会社 | Objective lens and endoscope apparatus |
| KR101858645B1 (en) * | 2012-07-25 | 2018-05-17 | 한화에어로스페이스 주식회사 | Wide angle lens and photographing apparatus with the same |
| US9244255B2 (en) * | 2013-03-18 | 2016-01-26 | Kinko Optical Co., Ltd. | Miniature image pickup lens |
| CN204241751U (en) * | 2014-04-17 | 2015-04-01 | 深圳市彰骏光电科技有限公司 | A kind of high definition wide-angle low distortion DV camera lens |
-
2015
- 2015-04-09 CN CN201510167082.3A patent/CN104793321B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104793321A (en) | 2015-07-22 |
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