CN101320123A - Focus-fixed lens - Google Patents
Focus-fixed lens Download PDFInfo
- Publication number
- CN101320123A CN101320123A CNA2007101119253A CN200710111925A CN101320123A CN 101320123 A CN101320123 A CN 101320123A CN A2007101119253 A CNA2007101119253 A CN A2007101119253A CN 200710111925 A CN200710111925 A CN 200710111925A CN 101320123 A CN101320123 A CN 101320123A
- Authority
- CN
- China
- Prior art keywords
- tight shot
- lens
- face
- negative lens
- positive lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Lenses (AREA)
Abstract
The invention discloses a fixed-focus lens which comprises an aperture stop, a first positive lens, a second negative lens, a third meniscus positive lens and a fourth negative lens; wherein, the aperture stop, the first positive lens, the second negative lens, the third meniscus positive lens and the fourth negative lens are arranged on an optical axis from an objective end to an imaging end in sequence. The fixed-focus lens satisfies the requirements as follows: RS32/f is more than 0.1 and less than 0.3, wherein, the f is the effective focal length of the fixed-point lens, and the RS32 is the curvature radius of the surface of the third meniscus positive lens near the imaging end. The fixed-focus lens of the invention limits the effective focal length to avoid the overlength of the total length of the system through setting the proper effective focal length, and thereby the favorable picture quality and the adequate imaging height are provided.
Description
Technical field
The present invention relates to a kind of camera lens, relate in particular to a kind of tight shot.
Background technology
In recent years, the digital camera device fast development, the pixel of photo-sensitive cell also increases thereupon, and the optical lens design on the digital camera is also just got over important.General camera lens can be divided into tight shot and zoom lens, and the characteristic of tight shot is comparatively simple, and the digital camera favorable imaging quality can be provided with lower cost.
Though the tight shot design has developed one period time, but growth along with the photo-sensitive cell pixel, common tight shot, always is difficult to average out when on the camera lens length overall in imaging scope, imaging, makes tight shot have development space to satisfy various use at present and considers.
Therefore, how to reduce the optical system cost and the length overall of tight shot, and favorable imaging quality is provided and enough imaging scopes are arranged, make high pixel camera device can dwindle overall volume and cost, the target of being made great efforts for present each manufacturer.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of tight shot, in order to reducing cost, and provides favorable imaging quality and enough imaging scopes.
The technical solution adopted for the present invention to solve the technical problems is, a kind of tight shot is provided, and comprised successively on optical axis by thing end to imaging end: aperture diaphragm; First positive lens; Second negative lens; The 3rd crescent positive lens; And the 4th negative lens, the refractive index of described the 4th negative lens on described optical axis for negative, and along with increasing gradually away from described optical axis; Wherein said tight shot satisfies following condition: 0.1＜R
S32/ f＜0.3, f is the effective focal length of described tight shot, R
S32Be the radius-of-curvature of the described the 3rd crescent positive lens near the face of described imaging end.
In the above-mentioned tight shot, described first positive lens protrudes towards described thing end near the face of described thing end.Described second negative lens has thing end face and imaging end face, and the curvature of described thing end face is plus or minus, and described imaging end face protrudes towards described thing end, and described thing end face and described imaging end face have at least one side to be aspheric surface.Two curved surfaces of described the 3rd crescent positive lens all protrude towards described imaging end, and have at least one side to be aspheric surface.Described the 4th negative lens has at least one side to be aspheric surface, makes described the 4th negative lens surface produce the point of inflexion.
Above-mentioned tight shot also satisfies following condition: 1＜f12/f＜2.2, and wherein f is the effective focal length of described tight shot, and f12 is the synthetic focal length of described first positive lens and described second negative lens.
Above-mentioned tight shot also satisfies following condition: 0.07＜D23/L＜2.8, and wherein L is the optical mirror slip total length of described tight shot, and D23 is that described second negative lens is to the specific range between the described the 3rd crescent positive lens.
Above-mentioned tight shot also comprises wave filter, and described wave filter is arranged between described the 4th negative lens and the described imaging end.
In the above-mentioned tight shot, described second negative lens, the described the 3rd crescent positive lens and described the 4th negative lens are made by plastic cement material.
The tight shot of the embodiment of the invention is limited to effective focal length, by setting suitable effective focal length, can avoid system's length overall long, and good image quality and enough imaging height are provided.In addition, the part eyeglass in this tight shot uses plastic lens and non-spherical lens, and the mean allocation tolerance can provide favorable imaging quality under low cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the synoptic diagram of the tight shot of one embodiment of the invention;
Fig. 2 is the longitudinal spherical aberration figure of tight shot first embodiment of the present invention;
Fig. 3 is the lateral chromatic aberration figure of tight shot first embodiment of the present invention;
Fig. 4 A is the curvature of field figure of tight shot first embodiment of the present invention;
Fig. 4 B is the distortion figure of tight shot first embodiment of the present invention;
Fig. 5 is the longitudinal spherical aberration figure of tight shot second embodiment of the present invention;
Fig. 6 is the lateral chromatic aberration figure of tight shot second embodiment of the present invention;
Fig. 7 A is the curvature of field figure of tight shot second embodiment of the present invention;
Fig. 7 B is the distortion figure of tight shot second embodiment of the present invention;
Fig. 8 is the longitudinal spherical aberration figure of tight shot the 3rd embodiment of the present invention;
Fig. 9 is the lateral chromatic aberration figure of tight shot the 3rd embodiment of the present invention;
Figure 10 A is the curvature of field figure of tight shot the 3rd embodiment of the present invention;
Figure 10 B is the distortion figure of tight shot the 3rd embodiment of the present invention.
The primary clustering symbol description:
100: 110: the first positive lenss of tight shot
124: 130: the three crescent positive lenss of imaging end face
160: imaging end 150: wave filter
180: optical axis 170: the thing end
190: aperture diaphragm
Embodiment
In the embodiment of the invention, partly lens use the aspherical lens of plastic cement material, make the uniform distribution of tolerance susceptibility, and reduce whole cost, improve image quality.The present invention limits on the effective focal length of total system, to satisfy the requirement on system's length overall and the imaging height.Any those of ordinary skill in the art as can be known without departing from the spirit and scope of the present invention, the variable optical parametric wherein and the material of lens partly are with the situation of realistic application.
The tight shot of the embodiment of the invention includes receives light positive lens, crescent positive lens, thing end negative lens, imaging end negative lens and aperture mirror diaphragm.Crescent positive lens is arranged on to be received between light positive lens and the imaging end, and two curved surfaces of crescent positive lens all protrude towards the imaging end, and has at least one side to be aspheric surface.Thing end negative lens is arranged to be received between light positive lens and the crescent positive lens.Thing end negative lens has thing end face and imaging end face, and the curvature of thing end face can be the plus or minus value, and the recess of imaging end face is towards the imaging end.In addition, the thing end face of thing end negative lens and imaging end face have at least one side to be aspheric surface.
This fix-focus lens also comprises imaging end negative lens, is arranged between crescent positive lens and the imaging end.The refractive index of imaging end negative lens is negative on optical axis, and along with increasing gradually away from optical axis.Imaging end negative lens has at least one side to be aspheric surface, makes imaging end negative lens surface produce the point of inflexion.In addition, aperture diaphragm is arranged between positive lens and the thing end.
In order more carefully to describe relativeness and the effect between each lens, and the correlated condition of whole tight shot optical system, please refer to the tight shot 100 of one embodiment of the invention shown in Figure 1.In order more to know the relative position between each lens, this sentences thing end 170 and is the lens name to putting in order of imaging end 160.When tight shot 100 was installed in the camera, 160 at imaging end was the photo-sensitive cell in the camera.
Wherein, first positive lens 110 is above-mentioned receipts light positive lens, and second negative lens 120 is above-mentioned thing end negative lens, and the 3rd crescent positive lens 130 is above-mentioned crescent positive lens, and 140 of the 4th negative lenses are above-mentioned imaging end negative lens.
First positive lens 110 is for having the eyeglass of high focusing force in the tight shot 100, and protrudes towards thing end 170 by the face of near the object end 170.Second negative lens 120 has thing end face 122 and imaging end face 124.The curvature of thing end face 122 can be the plus or minus value, and imaging end face 124 protrudes towards thing end 170, has the imaging of widening height and the function that compensates, and thing end face 122 has at least one side to be aspheric surface with imaging end face 124.
Two curved surfaces of the 3rd crescent positive lens 130 all protrude towards imaging end 160.And the 3rd crescent positive lens 130 and second negative lens 120 keep a specific range D23, make imaging highly be increased to enough height, are revised beam angle again.The 3rd crescent positive lens 130 has at least one side to be aspheric surface.
The 4th negative lens 140 has one side at least for aspheric surface, makes the 4th negative lens produce the point of inflexion 142, that is the surface normal of minute surface (Normal Vector) can be by just changing to negative or just changed to by negative, and makes minute surface produce special shape.The major function of the 4th negative lens 140 for revise the key light angle (Chief Ray Angle, CRA) and off-axis aberration.
System's length overall for fear of tight shot 100 is long, and good image quality and enough imaging height are provided, and the portions of light mathematic(al) parameter of tight shot 100 meets following condition:
1＜f12/f＜2.2 ……(1)
Wherein, f is the effective focal length (Effective focal length) of tight shot 100, and f12 is the synthetic focal length of first positive lens 110 and second negative lens 120.As f12/f during greater than higher limit, system's length overall can be long, do not satisfy the requirement of compactedness (compact).As f12/f during less than lower limit, imaging is highly not enough, can't satisfy the demand of high pixel photo-sensitive cell.
Another condition that tight shot 100 need meet is:
0.1＜R
S32/f＜0.3 ……(2)
Wherein, f is the effective focal length of tight shot 100, R
S32Be the radius-of-curvature of the 3rd crescent positive lens 130 near the face of imaging end.Work as R
S32/ f is during greater than higher limit, and comet aberration (Coma aberration) can be difficult to correct.Work as R
S32/ f is during less than lower limit, and astigmatism (Astigmatism) can become big fast.
In addition, the specific range D23 of 120 of the 3rd crescent positive lens 130 and second negative lenses satisfies following condition:
0.07＜D23/L＜2.8 ……(3)
Wherein, L is the optical mirror slip total length of tight shot 100.As D23/L during greater than higher limit, system's length overall can be long, do not satisfy the requirement of compactedness (compact).As D23/L during less than lower limit, imaging is highly not enough, can't satisfy the demand of high pixel photo-sensitive cell.
In addition, tight shot 100 also comprises aperture diaphragm 190, and aperture diaphragm 190 is arranged between the thing end 170 and first positive lens 110.Aperture diaphragm 190 can increase emergent pupil (ExitPupil) position before being arranged on first positive lens 110, improves the degree of looking in the distance (Telecentricity) of tight shot 100.
For practicality and the advantage that shows tight shot 100, below will design a plurality of embodiment, and expose optical parametric and optical characteristics chart among each embodiment according to above-mentioned condition.
First embodiment
Table 1 has listed the parameter of each face of optical system of this tight shot successively, and wherein STO. is an aperture diaphragm, and FS is a wave filter.S11 and S12 represent the thing end face and the imaging end face of first positive lens respectively, S21 and S22 represent the thing end face and the imaging end face of second negative lens respectively, S31 and S32 represent the thing end face and the imaging end face of the 3rd crescent positive lens respectively, and S41 and S42 represent the thing end face and the imaging end face of the 4th negative lens respectively.
Other optical characteristics of the tight shot of first embodiment is then listed in the table 2:
As shown in Table 2, the f12/f parameter value of tight shot is 1.608, eligible (1).R
S32/ f parameter value is 0.17, eligible (2).The D23/L parameter value is 0.13, eligible (3).
In addition, second negative lens, the 3rd crescent positive lens and the 4th negative lens have the aspheric surface design, and non-spherical lens coefficient equation is as follows:
Wherein z is the sag value of lens, that is the depression degree of lens face, and c is the inverse of radius-of-curvature, and h is that lens face arrives distance between optical axes, and k is circular cone coefficient (Conic Coefficient), and A then is respectively the high-order asphericity coefficient to G.Circular cone coefficient and each aspheric high-order asphericity coefficient are listed in table 3 and the table 4 successively:
Then please refer to Fig. 2, this figure is the longitudinal spherical aberration figure of tight shot, and three lines among the figure are represented the longitudinal spherical aberration of ruddiness (Red), green glow (Green) and blue light (Blue) respectively.By among the figure as can be known tight shot have good imaging effect.Fig. 3 then is the lateral chromatic aberration figure of first embodiment.Main lateral chromatic aberration among the figure (Primarylateral color) and secondary lateral chromatic aberration (Secondary lateral color) curve all demonstrates tight shot and has good Chromatically compensated effect.
Fig. 4 A and Fig. 4 B are the curvature of field/distortion figure of present embodiment.Fig. 4 A is the curvature of field figure of ruddiness (Red), green glow (Green) and blue light (Blue), T among the figure represents the meridional ray (Tangential Ray) of incident light, S represents the sagittal ray (Sagittal Ray) of incident light, horizontal ordinate is expressed as the distance of picture point to desirable image planes, and ordinate is desirable image height or incident angle.Fig. 4 B is expressed as the percent difference of picture point to ideal point for distortion figure, horizontal ordinate, and ordinate is desirable image height or incident angle.Shown in Fig. 4 A and Fig. 4 B, the curvature of field of the tight shot of first embodiment and distortion situation are also not serious.
Second embodiment
The second embodiment discussion is designed to the thing end face curvature of second negative lens situation of negative value.Table 5 has listed the parameter of each face of optical system of the tight shot of second embodiment successively, and wherein STO. is an aperture diaphragm, and FS is a wave filter.S11 and S12 represent the thing end face and the imaging end face of first positive lens respectively, S21 and S22 represent the thing end face and the imaging end face of second negative lens respectively, S31 and S32 represent the thing end face and the imaging end face of the 3rd crescent positive lens respectively, and S41 and S42 represent the thing end face and the imaging end face of the 4th negative lens respectively.
Other optical characteristics of tight shot is then listed in the table 6:
As shown in Table 6, the f12/f parameter value of tight shot is 1.654, eligible (1).R
S32/ f parameter value is 0.156, eligible (2).The D23/L parameter value is 0.116, eligible (3).
In addition, second negative lens, the 3rd crescent positive lens and the 4th negative lens have the aspheric surface design, and the parameters in the non-spherical lens coefficient equation is listed in table 7 and the table 8 successively:
Then please refer to Fig. 5, this figure is the longitudinal spherical aberration figure of tight shot, and three lines among the figure are represented the longitudinal spherical aberration of ruddiness (Red), green glow (Green) and blue light (Blue) respectively.By among the figure as can be known tight shot have good imaging effect.Fig. 6 then is the lateral chromatic aberration figure of second embodiment.Main lateral chromatic aberration among the figure (Primarylateral color) and secondary lateral chromatic aberration (Secondary lateral color) curve all demonstrates tight shot and has good Chromatically compensated effect.
Fig. 7 A and Fig. 7 B are the curvature of field/distortion figure of present embodiment.Fig. 7 A is the curvature of field figure of ruddiness (Red), green glow (Green) and blue light (Blue), T among the figure represents the meridional ray (Tangential Ray) of incident light, S represents the sagittal ray (Sagittal Ray) of incident light, horizontal ordinate is expressed as the distance of picture point to desirable image planes, and ordinate is desirable image height or incident angle.Fig. 7 B is expressed as the percent difference of picture point to ideal point for distortion figure, horizontal ordinate, and ordinate is desirable image height or incident angle.Shown in Fig. 7 A and 7B, the curvature of field of the tight shot of second embodiment and distortion situation are also not serious.
The 3rd embodiment
The thing end face curvature of second negative lens of present embodiment not only is negative value, and is farther less than second embodiment.Table 9 lists the parameter of each face of optical system of the tight shot of the 3rd embodiment successively, and wherein STO. is an aperture diaphragm, and FS is a wave filter.S11 and S12 represent the thing end face and the imaging end face of first positive lens respectively, S21 and S22 represent the thing end face and the imaging end face of second negative lens respectively, S31 and S32 represent the thing end face and the imaging end face of the 3rd crescent positive lens respectively, and S41 and S42 represent the thing end face and the imaging end face of the 4th negative lens respectively.
Other optical characteristics of tight shot is then listed in the table 10:
As shown in Table 10, the f12/f parameter value of tight shot is 1.642, eligible (1).R
S32/ f parameter value is 0.17, eligible (2).The D23/L parameter value is 0.128, eligible (3).
In addition, second negative lens, the 3rd crescent positive lens and the 4th negative lens have the aspheric surface design, and the parameters in the non-spherical lens coefficient equation is listed in table 11 and the table 12 successively:
Then please refer to Fig. 8, this figure is the longitudinal spherical aberration figure of the tight shot of the 3rd embodiment, and three lines among the figure are represented the longitudinal spherical aberration of ruddiness (Red), green glow (Green) and blue light (Blue) respectively.By among the figure as can be known tight shot have good imaging effect.Fig. 9 then is the lateral chromatic aberration figure of the 3rd embodiment.Main lateral chromatic aberration among the figure (Primary lateral color) and secondary lateral chromatic aberration (Secondary lateral color) curve all demonstrate tight shot and have good Chromatically compensated effect.
Figure 10 A and Figure 10 B are the curvature of field/distortion figure of present embodiment.Figure 10 A is the curvature of field figure of ruddiness (Red), green glow (Green) and blue light (Blue), T among the figure represents the meridional ray (Tangential Ray) of incident light, S represents the sagittal ray (Sagittal Ray) of incident light, horizontal ordinate is expressed as the distance of picture point to desirable image planes, and ordinate is desirable image height or incident angle.Figure 10 B is expressed as the percent difference of picture point to ideal point for distortion figure, horizontal ordinate, and ordinate is desirable image height or incident angle.Shown in Fig. 7 A and Fig. 7 B, the curvature of field of the tight shot of the 3rd embodiment and distortion situation are also not serious.
The 3rd embodiment reduces the optical mirror slip total length L of tight shot among second embodiment by the adjustment of optical parametric, makes the optical mirror slip total length of first embodiment and the 3rd embodiment more approaching, can reach the compactedness of system in practical application.
Utilize many pieces plastic lens design to improve the error tolerance in the various embodiments of the present invention, to reduce manufacturing cost.In addition, see through the optical parametric design, can correct aberration simultaneously, obtain favorable imaging quality, and obtain enough imaging height and the size that reduces the key light angle, it is about more than 9 millimeters that the imaging scope reaches, and therefore can use with high pixel photo-sensitive cell collocation.The optical mirror slip total length of various embodiments of the present invention can be controlled in about below 8 millimeters, has good compactedness.
Though the present invention discloses as above with a plurality of embodiment; yet above each embodiment is not to be limitation of the present invention; any those of ordinary skill in the art without departing from the spirit and scope of the present invention; can do various changes and retouching to each embodiment, so protection scope of the present invention is as the criterion by the person of defining in claims.
Claims (9)
1, a kind of tight shot is characterized in that, is comprised successively on optical axis by thing end to imaging end:
Aperture diaphragm;
First positive lens;
Second negative lens;
The 3rd crescent positive lens; And
The 4th negative lens, the refractive index of described the 4th negative lens are negative on described optical axis, and along with increasing gradually away from described optical axis;
Wherein said tight shot satisfies following condition:
0.1＜R
S32/f＜0.3
F is the effective focal length of described tight shot, R
S32Be the radius-of-curvature of the described the 3rd crescent positive lens near the face of described imaging end.
2, tight shot as claimed in claim 1 is characterized in that, described first positive lens protrudes towards described thing end near the face of described thing end.
3, tight shot as claimed in claim 1, it is characterized in that described second negative lens has thing end face and imaging end face, the curvature of described thing end face is plus or minus, described imaging end face protrudes towards described thing end, and described thing end face and described imaging end face have at least one side to be aspheric surface.
4, tight shot as claimed in claim 1 is characterized in that, two curved surfaces of described the 3rd crescent positive lens all protrude towards described imaging end, and has at least one side to be aspheric surface.
5, tight shot as claimed in claim 1 is characterized in that, described the 4th negative lens has at least one side to be aspheric surface, makes described the 4th negative lens surface produce the point of inflexion.
6, tight shot as claimed in claim 1 is characterized in that, described tight shot also satisfies following condition:
1＜f12/f＜2.2
Wherein, f is the effective focal length of described tight shot, and f12 is the synthetic focal length of described first positive lens and described second negative lens.
7, tight shot as claimed in claim 1 is characterized in that, described tight shot also satisfies following condition:
0.07＜D23/L＜2.8
Wherein, L is the optical mirror slip total length of described tight shot, and D23 is that described second negative lens is to the specific range between the described the 3rd crescent positive lens.
8, tight shot as claimed in claim 1 is characterized in that, described tight shot also comprises wave filter, and described wave filter is arranged between described the 4th negative lens and the described imaging end.
9, tight shot as claimed in claim 1 is characterized in that, described second negative lens, the described the 3rd crescent positive lens and described the 4th negative lens are made by plastic cement material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101119253A CN101320123A (en) | 2007-06-06 | 2007-06-06 | Focus-fixed lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101119253A CN101320123A (en) | 2007-06-06 | 2007-06-06 | Focus-fixed lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101320123A true CN101320123A (en) | 2008-12-10 |
Family
ID=40180272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101119253A Pending CN101320123A (en) | 2007-06-06 | 2007-06-06 | Focus-fixed lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101320123A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483513A (en) * | 2009-09-18 | 2012-05-30 | 株式会社光学逻辑 | Image pickup lens |
| CN101907762B (en) * | 2009-06-02 | 2012-06-20 | 鸿富锦精密工业（深圳）有限公司 | Lens system |
| CN102681141A (en) * | 2011-03-08 | 2012-09-19 | 株式会社腾龙 | Fixed focus lens |
| CN102692694A (en) * | 2011-03-25 | 2012-09-26 | 大立光电股份有限公司 | Optical lens group for photography |
| CN102866498A (en) * | 2010-02-12 | 2013-01-09 | 北方国通（北京）光电科技有限公司 | Method for designing photographing device |
| CN105278083A (en) * | 2014-05-27 | 2016-01-27 | 新巨科技股份有限公司 | Wide-angle imaging lens group |
| CN106556918A (en) * | 2015-09-25 | 2017-04-05 | 大立光电股份有限公司 | Photographing optical system, image-taking device and electronic installation |
| CN106646836A (en) * | 2016-12-20 | 2017-05-10 | 中山联合光电科技股份有限公司 | Large aperture wide angle small imaging system |
| CN110531506A (en) * | 2018-05-24 | 2019-12-03 | 春虹光电股份有限公司 | The photographing module of micromation |
| CN111722359A (en) * | 2019-03-21 | 2020-09-29 | 信泰光学(深圳)有限公司 | Imaging lens |
| CN112882211A (en) * | 2021-01-18 | 2021-06-01 | 广东烨嘉光电科技股份有限公司 | Large-aperture four-piece optical lens |
-
2007
- 2007-06-06 CN CNA2007101119253A patent/CN101320123A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907762B (en) * | 2009-06-02 | 2012-06-20 | 鸿富锦精密工业（深圳）有限公司 | Lens system |
| CN102483513A (en) * | 2009-09-18 | 2012-05-30 | 株式会社光学逻辑 | Image pickup lens |
| CN102483513B (en) * | 2009-09-18 | 2014-09-17 | 株式会社光学逻辑 | Image pickup lens |
| CN102866498A (en) * | 2010-02-12 | 2013-01-09 | 北方国通（北京）光电科技有限公司 | Method for designing photographing device |
| CN102681141A (en) * | 2011-03-08 | 2012-09-19 | 株式会社腾龙 | Fixed focus lens |
| US8848291B2 (en) | 2011-03-08 | 2014-09-30 | Tamron Co., Ltd. | Fixed focus lens |
| CN102692694A (en) * | 2011-03-25 | 2012-09-26 | 大立光电股份有限公司 | Optical lens group for photography |
| CN102692694B (en) * | 2011-03-25 | 2014-02-05 | 大立光电股份有限公司 | Optical lens group for photography |
| CN105278083A (en) * | 2014-05-27 | 2016-01-27 | 新巨科技股份有限公司 | Wide-angle imaging lens group |
| CN105278083B (en) * | 2014-05-27 | 2019-06-11 | 新巨科技股份有限公司 | Wide-angle image lens set |
| CN106556918A (en) * | 2015-09-25 | 2017-04-05 | 大立光电股份有限公司 | Photographing optical system, image-taking device and electronic installation |
| CN106556918B (en) * | 2015-09-25 | 2019-01-29 | 大立光电股份有限公司 | Photographing optical system, image-taking device and electronic device |
| CN106646836A (en) * | 2016-12-20 | 2017-05-10 | 中山联合光电科技股份有限公司 | Large aperture wide angle small imaging system |
| CN110531506A (en) * | 2018-05-24 | 2019-12-03 | 春虹光电股份有限公司 | The photographing module of micromation |
| CN110531506B (en) * | 2018-05-24 | 2022-03-25 | 春虹光电股份有限公司 | Miniaturized camera module |
| CN111722359A (en) * | 2019-03-21 | 2020-09-29 | 信泰光学(深圳)有限公司 | Imaging lens |
| US11604334B2 (en) | 2019-03-21 | 2023-03-14 | Sintai Optical (Shenzhen) Co., Ltd. | Lens assembly |
| CN112882211A (en) * | 2021-01-18 | 2021-06-01 | 广东烨嘉光电科技股份有限公司 | Large-aperture four-piece optical lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109164560B (en) | Imaging lens | |
| CN101320123A (en) | Focus-fixed lens | |
| CN105527694A (en) | Optical lens | |
| CN101726833B (en) | Projection lens | |
| CN108318995B (en) | Lens system and lens | |
| CN203606551U (en) | High-resolution optical lens | |
| JPH04267212A (en) | Ultra wide angle lens | |
| CN103676092A (en) | High-pixel optical lens | |
| CN106990509B (en) | Panoramic fish-eye lens | |
| CN204143049U (en) | A kind of optical lens | |
| CN109613681B (en) | Image pickup optical lens | |
| CN104635320A (en) | Small imaging lens system | |
| CN105445915A (en) | Camera lens | |
| CN111352211A (en) | Small-head high-resolution lens | |
| CN115128771B (en) | Optical lens | |
| CN110161654B (en) | Image pickup optical lens | |
| CN107664826B (en) | Glass-plastic mixed lens | |
| CN107065145B (en) | Super wide-angle lens | |
| CN108663784B (en) | Super wide-angle lens | |
| CN218413029U (en) | Large-aperture large-target-surface long-focus optical lens | |
| CN102540426A (en) | Wide-angle zoom lens | |
| CN207704119U (en) | A kind of camera lens of vehicle-mounted Streaming Media camera | |
| CN110412725B (en) | Optical lens | |
| CN112698483A (en) | Optical imaging lens | |
| CN109307919B (en) | Optical lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20081210 |