CN108646393A - Telephoto lens - Google Patents
Telephoto lens Download PDFInfo
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- CN108646393A CN108646393A CN201810772095.7A CN201810772095A CN108646393A CN 108646393 A CN108646393 A CN 108646393A CN 201810772095 A CN201810772095 A CN 201810772095A CN 108646393 A CN108646393 A CN 108646393A
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 206010010071 Coma Diseases 0.000 claims abstract description 6
- 239000000571 coke Substances 0.000 claims description 7
- 238000009738 saturating Methods 0.000 claims description 5
- 101100056797 Canis lupus familiaris SAG gene Proteins 0.000 claims description 4
- 101100505328 Colletotrichum trifolii CTG1 gene Proteins 0.000 claims description 4
- 101100532512 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SAG1 gene Proteins 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 15
- 239000011521 glass Substances 0.000 description 13
- 238000005286 illumination Methods 0.000 description 12
- 210000001747 pupil Anatomy 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 230000004075 alteration Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
A kind of telephoto lens includes successively from object side to image side along optical axis direction：First lens group, diaphragm and the second lens group, wherein：Second lens group includes at least one piece of non-spherical lens or two pieces of cemented doublets.This optical device, which solves the curvature of field and coma, influences long focus optical system and is obviously improved the image quality of entire picture, has the small depth of field and larger enlargement ratio.
Description
Technical field
The present invention relates to a kind of technologies in optical device field, and in particular to a kind of telephoto lens.
Background technology
At present for the high definition camera lens of remote small target surface long-focus, generally substituted with the anti-class telephoto lens of civilian list.
This kind of lens design target surface is big, and resolution ratio can substantially reduce on small target surface image device, and complicated, expensive,
Therefore it needs to design a special small target surface, telephoto lens simple in structure, cheap and high image quality, dedicated for remote
Capture apart from object detail.For telephoto lens, the curvature of field and coma are the main differences for influencing phase matter, and the curvature of field and coma are got over
Greatly, what the image quality of peripheral field declined is more severe, therefore it is difficult to ensure that the entire uniform good image quality of visual field, with this
Meanwhile if entire illuminance of image plane is uneven, center is bright compared with periphery brightness very much, imaging edge will appear dark angle, influence picture
The clarity of face entirety.
Invention content
The present invention is directed to the problem of existing long focus optical system, proposes a kind of telephoto lens, solves the curvature of field and coma pair
The image quality of entire picture is influenced and is obviously improved in long focus optical system, this optical device has the small depth of field and larger times magnification
Rate.
The present invention is achieved by the following technical solutions：
The present invention includes successively from object side to image side along optical axis direction：First lens group, diaphragm and the second lens group,
In：Second lens group includes at least one piece of non-spherical lens or two pieces of cemented doublets.
First lens group includes：At least three pieces lens with positive light coke and two pieces are with the saturating of negative power
Mirror, specially：The first lens with positive light coke, the second lens with positive light coke, the third with negative power are saturating
Mirror, the 4th lens with positive light coke and the 5th lens with negative power, wherein：The third lens and the 4th lens composition
Cemented doublet.
Preferably, the refractive index of the third lens meets 1.62<Nd<1.64, Abbe number meets 63.79<Vd<
65.38；Rear lens refractive index meets 1.465<Nd<1.5, Abbe number meets 76.75<Vd<81.61.
Preferably, the combined focal length of the cemented doublet meets -1.42<f34/EFL<- 0.84, to reduce camera lens
Tolerance sensitivity.
Preferably, first lens meet：4.85<SAG1/CTG1<5.20 wherein：SAG1 is the object of the first lens
The rise of side, CTG1 are the center thickness of the first lens, meet the incidence angle that above formula requirement can reduce chief ray on imaging surface
Degree has higher chip matching degree.
Preferably, the focal length of first lens and the second lens meets：0.29<f1/EFL<0.32,0.30<f2/
EFL<0.33, wherein：F1 is the effective focal length of the first lens, and f2 is the effective focal length of the second lens, meets above-mentioned relation formula and wants
Ask the miniaturization for ensureing camera lens while being conducive to take into account focal length characteristic.
Second lens group is realized using following any structure：
1. two pieces of cemented doublets,
2. one piece of non-spherical lens and one piece of cemented doublet,
3. one piece of non-spherical lens and two pieces of lens.
The non-spherical lens is preferably plastic aspherical element eyeglass, and refractive index meets Nd=1.63, and Abbe number meets
Vd=23.62 can reduce the aberration and coma of telephoto lens using plastic aspherical element.
The 7th lens in two pieces of lens meet：F7/EFL=-0.12.
8th lens meet：F8/EFL=0.08, refractive index Nd=1.9459, Abbe number meet Vd=17.98,
One piece of high-refractivity and low-dispersion spheric glass is being increased, aberration and the curvature of field are effectively improved.
The diaphragm is aperture diaphragm.
The image side is equipped with image acquisition element, and protective glass is equipped with before the image acquisition element.
The telephoto lens meets：1.97<EFL/TTL<2.02 wherein：EFL is the effective focal length of telephoto lens, TTL
For distance on the object side to the axis of image planes of the first lens.
Technique effect
Compared with prior art, the present invention is less than focal length using remote type optical facilities, the overall length of optical lens is taken the photograph, and structure is tight
It gathering, there is the small depth of field and larger enlargement ratio, the collocation of rational optical texture and lens materials so that difference correction is good,
Entire visual field has consistent image quality, and tolerance sensitivities are low, suitable for mass production.
Description of the drawings
Fig. 1 is the structural schematic diagram of telephoto lens in embodiment 1；
Fig. 2 is chromatic curve figure on the axis of telephoto lens in embodiment 1 and distortion schematic diagram；
Fig. 3 is the relative illumination schematic diagram of telephoto lens in embodiment 1；
Fig. 4 is the structural schematic diagram of telephoto lens in embodiment 2；
Fig. 5 is chromatic curve figure on the axis of telephoto lens in embodiment 2 and distortion schematic diagram；
Fig. 6 is the relative illumination schematic diagram of telephoto lens in embodiment 2；
Fig. 7 is the structural schematic diagram of telephoto lens in embodiment 3；
Fig. 8 be implement 3 in telephoto lens axis on chromatic curve figure and distortion schematic diagram；
Fig. 9 is the relative illumination schematic diagram of telephoto lens in embodiment 3；
In figure：First to the 7th lens L1~L7, first to the 18th surface s1~s18, diaphragm S, protective glass CG, at
Image planes IMG.
Specific implementation mode
Embodiment 1
As shown in Figure 1 to Figure 3, present embodiment discloses a kind of telephoto lens of 70mm, along optical axis direction from object side extremely
Image side includes successively：First lens group, diaphragm S, the second lens group, protective glass CG and image planes IMG.
In first lens group：First lens L1 is moon protruding spherical lens, including the first spherical surface s1 (convex surface) and the
Two spherical surface s2 (concave surface)；Second lens L2 is biconvex spherical lens, including third spherical surface s3 (convex surface) and the 4th spherical surface s4 is (convex
Face)；The third lens L3 is moon protruding spherical lens, including the 5th spherical surface s5 (convex surface) and the 6th spherical surface s6 (concave surface)；4th lens
L4 is biconvex spherical lens, including the 6th spherical surface s6 (convex surface) and the 7th spherical surface s7 (concave surface)；5th lens L5 is concave-concave spherical surface
Lens, including the 8th spherical surface s8 (concave surface) and the 9th spherical surface s9 (concave surface), wherein the third lens L3 and the 4th lens L4 are combined into
First cemented doublet.
Second lens group includes two pieces of cemented doublets, wherein：Second cemented doublet L61, L62 is that moon concave spherical surface is saturating
Mirror, including the 11st spherical surface s11 (concave surface) and the 13rd spherical surface (concave surface)；Third cemented doublet L71, L72 are that moon convex spherical is saturating
Mirror, including the 14th spherical surface s14 (concave surface) and the 16th spherical surface (convex surface)
The diaphragm is located on object space position, between the first lens group and the second lens group
The present embodiment camera lens design parameter such as following table
Table 1
The effective focal length of the present embodiment camera lens is EFL=80mm, relative aperture F=8, the overall length TTL of entire optical system
For 40mm, structure such as Fig. 1.
The present embodiment meets EFL/TTL=2.0, wherein：EFL is the effective focal length of telephoto lens, and TTL is the first lens
Distance on object side to the axis of image planes.
The third lens L3 is glass lens, and refractive index meets Nd=1.62, and Abbe number meets Vd=63.88；
4th lens L4 is glass lens, and refractive index meets Nd=1.50, and Abbe number meets Vd=76.75, and combined focal length meets
F34/EFL=-1.05.
As shown in Fig. 2, for chromaticity difference diagram and distortion curve figure on the axis of the telephoto lens described in the present embodiment.Chromaticity difference diagram on axis
Indicate that different-waveband deviates the degree of ideal position of practising physiognomy in different light port diameters, horizontal axis indicates that offset, longitudinal axis expression are returned
The one pupil bore changed.It is 0.05mm in 0.75 pupil band 587nm and 852nm wavelength horizontal axis distance in figure.Distortion figure indicates practical
The difference of image height and ideal image height.Horizontal axis indicates that distortion percentage, the longitudinal axis indicate half image height.The present embodiment is abnormal as seen from the figure
Become within 1.0%, in general, human eye is the torsional deformation that shooting object can not be identified.
As shown in figure 3, the full filed relative illumination curve graph of the present embodiment telephoto lens.As can be seen from the figure in full filed model
In enclosing, relative illumination is all higher than 90%, uniform-illumination of practising physiognomy, without dark angle possibility.
Embodiment 2
As shown in Figures 4 to 6, compared with Example 1, the third lens L3 is concave-concave spheric glass to the present embodiment, including
5th spherical surface s5 (concave surface) and the 6th spherical surface s6 (concave surface).
The second lens group in the present embodiment includes：6th lens L6, balsaming lens L71, L72, wherein：6th lens are
The aspherical lens of concave-concave, including the 11st aspherical s11 (concave surface) and the 12nd aspherical s12 (concave surface)；Balsaming lens L7
For moon protruding spherical lens, including the 14th spherical surface s14 (concave surface) and the 16th spherical surface (convex surface) s16.
The present embodiment camera lens design parameter such as following table
Table 2：
In the present embodiment, the 6th lens L6 uses plastic aspherical element, wherein：Non-spherical lens coefficient meets：
| K | A (4 level number) | B (6 level number) | C (8 level number) | D (ten level numbers) | |
| s11 | 63.93741 | -0.00384281 | 0.000341568 | 1.36215E-05 | -1.95425E-06 |
| s12 | -57.173 | -0.001498529 | -8.54273E-05 | 6.6344E-05 | -9.14827E-06 |
Curvature corresponding to the aspheric radius surface of the tenth the one side s11 and s12 of the 6th lens L6 is c, lens measure
To distance of optical axis it is some r on face, the quadratic surface constant of lens surface is K, the quadravalence in the tenth one side and the 12nd face, six
Rank, eight ranks, ten rank asphericity coefficients are respectively A, B, C, D.By using plastic aspheric lens, reduce eyeglass number, and
And aberration on aspherical good correction axis, ensure the difference balance between infrared light and blue light.
The effective focal length of the present embodiment camera lens is EFL=80mm, relative aperture F=7.8, the overall length of entire optical system
TTL is 39.5mm.
The present embodiment meets EFL/TTL=2.02, wherein：EFL is the effective focal length of telephoto lens, and TTL is the first lens
Object side to the axis of image planes on distance.
The present embodiment the third lens L3 is glass lens, and refractive index meets Nd=1.64, and Abbe number meets Vd=
65.38；4th lens L4 is glass lens, and refractive index meets Nd=1.4651, and Abbe number meets Vd=79.82, organizes focus
Away from meeting f34/EFL=-0.84.
As shown in figure 5, for chromaticity difference diagram and distortion curve figure on the axis of the telephoto lens described in the present embodiment.Chromaticity difference diagram on axis
Indicate that different-waveband deviates the degree of ideal position of practising physiognomy in different light port diameters, horizontal axis indicates that offset, longitudinal axis expression are returned
The one pupil bore changed.In figure, it is less than 0.05mm in 0.75 pupil band 587nm and 852nm wavelength horizontal axis distance.Distortion figure indicates real
The difference of border image height and ideal image height.Horizontal axis indicates that distortion percentage, the longitudinal axis indicate half image height.The present embodiment as seen from the figure
Distortion is within 1.0%, and in general, human eye is the torsional deformation that shooting object can not be identified.
As shown in fig. 6, for the full filed relative illumination curve graph of the present embodiment telephoto lens.It can be seen that in full filed in figure
In range, relative illumination is all higher than 90%, uniform-illumination of practising physiognomy, without dark angle possibility.
Embodiment 3
As shown in Figure 7 to 9, compared with Example 2, the second lens are biconvex spherical lens to the present embodiment, including the
Three spherical surface s3 (convex surface) and the 4th spherical surface s4 (concave surface)；5th lens are concave-concave spheric glass, including the 8th spherical surface s8 (concave surface)
With the 9th spherical surface s9 (concave surface).
The second lens group in the present embodiment includes：6th lens L6, the 7th lens L7 and the 8th lens L8, wherein：The
Six lens are the aspherical lens of concave-concave, including the 11st aspherical s11 (concave surface) and the 12nd aspherical s12 (concave surface)；The
Seven lens L7 are concave-concave spherical lens, including the 14th spherical surface s13 (concave surface) and the 14th spherical surface s14 (concave surface)；8th lens
L8 is biconvex spherical lens, including the 14th spherical surface s15 (convex surface) and the 14th spherical surface s16 (convex surface).
The 8th lens L8 can be in high refractive index and low dispersion spheric glass, hence it is evident that improves axis colouring
Difference and reduce distortion.
The present embodiment camera lens design parameter such as following table
Table 3
In the present embodiment, the 6th lens L6 uses plastic aspherical element, wherein：Non-spherical lens coefficient meets：
| K | A (4 level number) | B (6 level number) | C (8 level number) | D (10 level number) | |
| s11 | 51.332383 | -0.006445029 | 0.000922435 | -4.0428E-05 | 6.60023E-06 |
| s12 | -24.29006 | -0.001519887 | -0.000118653 | 0.000112657 | -1.36619E-05 |
Curvature corresponding to the aspheric radius surface of the tenth the one side s11 and s12 of the 6th lens L6 is c, lens measure
To distance of optical axis it is some r on face, the quadratic surface constant of lens surface is K, the quadravalence in the tenth one side and the 12nd face, six
Rank, eight ranks, ten rank asphericity coefficients are respectively A, B, C, D.
The effective focal length of the present embodiment camera lens is EFL=80mm, relative aperture F=8.1, the overall length of entire optical system
TTL is 40.6mm, structure such as Fig. 7.
The present embodiment meets EFL/TTL=1.97, wherein：EFL is the effective focal length of telephoto lens, and TTL is the first lens
Object side to the axis of image planes on distance.
The third lens L3 is glass lens in the present embodiment, and refractive index meets Nd=1.619, and Abbe number meets Vd=
63.79；4th lens L4 is glass lens, and refractive index meets Nd=1.497, and Abbe number meets Vd=81.61, combined focal length
Meet f34/EFL=-1.4.
As shown in figure 8, for chromaticity difference diagram and distortion curve figure on the axis of the telephoto lens described in the present embodiment.Chromaticity difference diagram on axis
Indicate that different-waveband deviates the degree of ideal position of practising physiognomy in different light port diameters, horizontal axis indicates that offset, longitudinal axis expression are returned
The one pupil bore changed.In figure, almost approached in 0.75 pupil band 587nm and 852nm wavelength horizontal axis distance, no color differnece.Distortion figure
Indicate the difference of practical image height and ideal image height.Horizontal axis indicates that distortion percentage, the longitudinal axis indicate half image height.This reality as seen from the figure
The distortion of example is applied within 0.5%, it is almost undistorted.
As shown in figure 9, for the full filed relative illumination curve graph of the present embodiment telephoto lens.It can be seen that in full filed in figure
In range, relative illumination is all higher than 90%, uniform-illumination of practising physiognomy, without dark angle possibility.
The present invention uses rational optical facilities, and the overall length of optical lens is less than focal length, compact-sized, have the small depth of field and
Larger enlargement ratio is to be suitble to shooting distant place scenery and the imaging lens of miniaturization.Rational optical texture and lens materials
Collocation so that difference correction is good, and entire visual field has consistent image quality, and tolerance sensitivities are low, suitable for mass production.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (9)
1. a kind of telephoto lens, which is characterized in that include successively from object side to image side along optical axis direction：First lens group, diaphragm
With the second lens group, wherein：Second lens group includes at least one piece of non-spherical lens or two pieces of cemented doublets；
Second lens group is realized using following any structure：
1. two pieces of cemented doublets,
2. one piece of non-spherical lens and one piece of cemented doublet,
3. one piece of non-spherical lens and two pieces of lens.
2. telephoto lens according to claim 1, characterized in that first lens group includes：At least three pieces have
The lens of positive light coke and two pieces of lens with negative power, specially：The first lens with positive light coke, with positive light
Second lens of focal power, the third lens with negative power, the 4th lens with positive light coke and with negative power
5th lens, wherein：The third lens and the 4th lens are at cemented doublet.
3. telephoto lens according to claim 2, characterized in that the refractive index of the third lens meets 1.62<Nd<
1.64, Abbe number meets 63.79<Vd<65.38；Rear lens refractive index meets 1.465<Nd<1.5, Abbe number meets 76.75<Vd
<81.61。
4. telephoto lens according to claim 2, characterized in that the combination of the cemented doublet in first lens group
Focal length meets -1.42<f34/EFL<- 0.84, to reduce the tolerance sensitivity of camera lens.
5. telephoto lens according to claim 2, characterized in that first lens meet：4.85<SAG1/CTG1<
5.20 wherein：SAG1 is the rise of the object side of the first lens, and CTG1 is the center thickness of the first lens, meets above formula requirement
The incident angle of chief ray on imaging surface can be reduced, there is higher chip matching degree.
6. the telephoto lens according to claim 2 or 5, characterized in that the focal length of first lens and the second lens
Meet：0.29<f1/EFL<0.32,0.30<f2/EFL<0.33, wherein：F1 is the effective focal length of the first lens, and f2 is second saturating
The effective focal length of mirror meets the miniaturization for ensureing camera lens while above-mentioned relation formula requires to be conducive to take into account focal length characteristic.
7. telephoto lens according to claim 1, characterized in that the non-spherical lens is preferably plastic aspherical element mirror
Piece, refractive index meet Nd=1.63, and Abbe number meets Vd=23.62, can reduce the color of telephoto lens using plastic aspherical element
Difference and coma.
8. telephoto lens according to claim 1, characterized in that the 7th lens and the 8th in two pieces of lens are thoroughly
Mirror meets respectively：F7/EFL=-0.12, f8/EFL=0.08.
9. according to the telephoto lens described in any of the above-described claim, characterized in that the telephoto lens meets：1.97<
EFL/TTL<2.02 wherein：EFL be telephoto lens effective focal length, TTL be the first lens object side to the axis of image planes on away from
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772095.7A CN108646393B (en) | 2018-07-13 | 2018-07-13 | Long focus lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772095.7A CN108646393B (en) | 2018-07-13 | 2018-07-13 | Long focus lens |
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| CN108646393A true CN108646393A (en) | 2018-10-12 |
| CN108646393B CN108646393B (en) | 2024-03-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538133A (en) * | 2019-02-06 | 2020-08-14 | 康达智株式会社 | Camera lens |
| CN112857586A (en) * | 2021-01-08 | 2021-05-28 | 深圳市华能智创科技有限公司 | Infrared temperature measuring device based on fpga and temperature compensation calibration method |
| WO2021147828A1 (en) * | 2020-01-22 | 2021-07-29 | 华为技术有限公司 | Camera, photographing module, and terminal device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940015644A (en) * | 1992-12-15 | 1994-07-21 | 이헌조 | Compact zoom lens |
| JP2002062477A (en) * | 2000-08-18 | 2002-02-28 | Mamiya Op Co Ltd | Wide-angle zoom lens |
| JP2003057539A (en) * | 2001-08-21 | 2003-02-26 | Sony Corp | Image pickup lens |
| JP2005316052A (en) * | 2004-04-28 | 2005-11-10 | Tochigi Nikon Corp | Image forming optical system |
| TW201038968A (en) * | 2009-04-24 | 2010-11-01 | Asia Optical Co Inc | Lens set for camera lens |
| JP2011242517A (en) * | 2010-05-17 | 2011-12-01 | Fujifilm Corp | Variable power optical system and imaging apparatus |
| CN206074892U (en) * | 2016-09-13 | 2017-04-05 | 深圳市永诺摄影器材股份有限公司 | Focus lens in a kind of long-focus |
| CN206757167U (en) * | 2017-05-18 | 2017-12-15 | 福建师范大学 | A kind of telephoto lens |
| CN208580256U (en) * | 2018-07-13 | 2019-03-05 | 嘉兴中润光学科技有限公司 | Telephoto lens |
-
2018
- 2018-07-13 CN CN201810772095.7A patent/CN108646393B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940015644A (en) * | 1992-12-15 | 1994-07-21 | 이헌조 | Compact zoom lens |
| JP2002062477A (en) * | 2000-08-18 | 2002-02-28 | Mamiya Op Co Ltd | Wide-angle zoom lens |
| JP2003057539A (en) * | 2001-08-21 | 2003-02-26 | Sony Corp | Image pickup lens |
| JP2005316052A (en) * | 2004-04-28 | 2005-11-10 | Tochigi Nikon Corp | Image forming optical system |
| TW201038968A (en) * | 2009-04-24 | 2010-11-01 | Asia Optical Co Inc | Lens set for camera lens |
| JP2011242517A (en) * | 2010-05-17 | 2011-12-01 | Fujifilm Corp | Variable power optical system and imaging apparatus |
| CN206074892U (en) * | 2016-09-13 | 2017-04-05 | 深圳市永诺摄影器材股份有限公司 | Focus lens in a kind of long-focus |
| CN206757167U (en) * | 2017-05-18 | 2017-12-15 | 福建师范大学 | A kind of telephoto lens |
| CN208580256U (en) * | 2018-07-13 | 2019-03-05 | 嘉兴中润光学科技有限公司 | Telephoto lens |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538133A (en) * | 2019-02-06 | 2020-08-14 | 康达智株式会社 | Camera lens |
| JP2020126183A (en) * | 2019-02-06 | 2020-08-20 | カンタツ株式会社 | Image capturing lens |
| CN113640958A (en) * | 2019-02-06 | 2021-11-12 | 康达智株式会社 | Camera lens |
| US11561368B2 (en) | 2019-02-06 | 2023-01-24 | Tokyo Visionary Optics Co., Ltd. | Imaging lens |
| CN111538133B (en) * | 2019-02-06 | 2023-02-10 | 东京晨美光学电子株式会社 | Camera lens |
| CN113640958B (en) * | 2019-02-06 | 2023-02-24 | 东京晨美光学电子株式会社 | Camera lens |
| WO2021147828A1 (en) * | 2020-01-22 | 2021-07-29 | 华为技术有限公司 | Camera, photographing module, and terminal device |
| CN112857586A (en) * | 2021-01-08 | 2021-05-28 | 深圳市华能智创科技有限公司 | Infrared temperature measuring device based on fpga and temperature compensation calibration method |
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| CN108646393B (en) | 2024-03-29 |
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