CN107422455A - Tight shot and the 3CCD video cameras including the tight shot - Google Patents
Tight shot and the 3CCD video cameras including the tight shot Download PDFInfo
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- CN107422455A CN107422455A CN201710680825.6A CN201710680825A CN107422455A CN 107422455 A CN107422455 A CN 107422455A CN 201710680825 A CN201710680825 A CN 201710680825A CN 107422455 A CN107422455 A CN 107422455A
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- crescent moon
- efl
- tight shot
- refracting power
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000003292 glue Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 239000000571 coke Substances 0.000 abstract 6
- 230000004075 alteration Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of two groups of formula zoom lens, it is characterised in that including：The first lens group with negative power, aperture diaphragm, the second lens group with positive light coke sequentially coaxially set from object space side to image side, first lens group include the first crescent moon lens with negative power, the first biconcave lens with negative power and the first biconvex lens with positive light coke sequentially coaxially set from object space side to image side；Second lens group includes the second biconvex lens with positive light coke, the second crescent moon lens with positive light coke, the second biconcave lens with negative power, the 3rd biconvex lens with positive light coke, the 3rd crescent moon lens, the 4th crescent moon lens with negative power, the 4th biconvex lens with positive light coke with negative power sequentially coaxially set from object space side to image side.
Description
Technical field
The present invention relates to a kind of optical imaging field, more particularly to a kind of tight shot and the 3CCD including the tight shot
Video camera.
Background technology
Perfect with 3CCD systems, the light that enter camera lens can be accurately divided into three kinds of colors by prism built in video camera
And corresponding CCD chip is passed to, this process can accurately record color, there is provided details enriches bright and sharp image, meets that specialty is clapped
The requirement taken the photograph, but because Amici prism group is placed directly in light path, certain aberration can be produced, so only specially design
Camera lens can be only achieved required imaging effect.
The design of general camera lens, all have optimal aberration correction at conventional focal distance, but may nearest shooting away from
From when occur knot aberration situation.
The content of the invention
It is an object of the invention to provide a kind of tight shot for adapting to 3CCD video cameras specially designed, be advantageous to send out
3CCD system imaging potentiality are waved, meet that specialty shooting is required adaptation 3CCD system camera lenses high-resolution, low aberration, small distortion etc..
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of tight shot for adapting to 3CCD video cameras, it is characterised in that：Including same successively by object plane side to image planes side
What axle was set：The first crescent moon concavees lens with negative refracting power；The second crescent moon concavees lens with negative refracting power；With negative flexion
3rd crescent moon concavees lens of power；The first crescent moon convex lens with positive refracting power；The first biconvex lens with positive refracting power；Tool
There is the first biconcave lens of negative refracting power；Iris diaphgram；The 4th crescent moon concavees lens with negative refracting power；With positive refracting power
Second crescent moon convex lens；The 3rd crescent moon convex lens with positive refracting power；The second biconvex lens with positive refracting power；With just
3rd biconvex lens of refracting power；The 5th crescent moon concavees lens with negative refracting power.
In an alternative embodiment, first biconvex lens and first biconcave lens are mutually glued to form the first glue
Close lens；And the 4th crescent moon concavees lens and the second crescent moon convex lens are mutually glued to form the second balsaming lens；
And the 3rd biconvex lens and the 5th crescent moon concavees lens are mutually glued to form the 3rd balsaming lens.
In an alternative embodiment, the thing side of the first crescent moon concavees lens is convex surface；The second crescent moon concavees lens
Thing side is convex surface；The thing side of the 3rd crescent moon concavees lens is convex surface；The thing side of the first crescent moon convex lens is recessed
Face；The thing side of second balsaming lens is concave surface；The thing side of the 3rd crescent moon convex lens is concave surface.
In an alternative embodiment, the interval d between the first crescent moon concavees lens and the second crescent moon concavees lens1-2Meet 0.12<
d1-2/EFL<0.14；Interval d between second crescent moon concavees lens and the 3rd crescent moon concavees lens2-3Meet 0.08<d2-3/EFL<
0.12；Interval d between 3rd crescent moon concavees lens and the first crescent moon convex lens3-4Meet 0.12<d3-4/EFL<0.16；First month
Interval d between tooth convex lens and the first balsaming lens4-56Meet 0.45<d4-56/EFL<0.49；First balsaming lens and second
Interval d between balsaming lens56-78Meet 1.12<d45-78/EFL<1.16；Second balsaming lens and the 3rd crescent moon convex lens it
Between interval d78-9Meet 0.003<d1-2/EFL<0.004；Interval d between 3rd crescent moon convex lens and the second biconvex lens9-10
Meet 0.002<d9-10/EFL<0.005；Interval d between second biconvex lens and the 3rd balsaming lens10-11/12Meet 0.003<
d10-11/12/EFL<0.005；Interval d between 3rd balsaming lens and image planes11/12-IMeet 1.20<d11/12-I/EFL<1.40,
Wherein EFL is the focal length of camera lens.
In an alternative embodiment, the angle of visual field of the tight shot is 55 °.
In an alternative embodiment, the distance between the iris diaphgram and the 3rd crescent moon convex lens D1 and the described 5th
Crescent moon concavees lens meet the focal length that 1.5 ＜ (D1+D2)/EFL ＜ 2.5, EFL is the tight shot to the distance between image planes D2
Value.
In an alternative embodiment, the tight shot meets 0.4<y/EFL<0.6, wherein y are the half of the tight shot
Image height, EFL are the focal length value of the tight shot.
In an alternative embodiment, the maximum clear aperature of the tight shot meets Fno<3, wherein Fno are tight shot
F numbers.
In an alternative embodiment, the back work distance of the tight shot meets BFL/EFL from BFL>1.2, wherein EFL are mirror
The focal length value of head.
In an alternative embodiment, the overall length TTL of the tight shot meets TTL/EFL<6, wherein EFL are the focal length of camera lens
Value.
The invention further relates to a kind of 3CCD video cameras, including tight shot as described above.
The beneficial effects of the present invention are：The camera lens can have the characteristics that high-resolution, low chromatic aberation, distort small, optics
System design can improve image quality in shooting, and energy using the structure for focusing of floating in the working range of a fixed width
For 1/2, " 3CCD colour TV cameras provide photosignal, produce the coloured image of clear and natural.
Brief description of the drawings
Fig. 1 is the structural representation of tight shot according to an embodiment of the invention；
Fig. 2 is the index path of tight shot according to an embodiment of the invention；
Fig. 3 is the axial spherical aberration figure of tight shot according to an embodiment of the invention；
Fig. 4 is the chromatic longitudiinal aberration figure of tight shot according to an embodiment of the invention；
Fig. 5 is the figure of optical lens preferred embodiment of tight shot according to an embodiment of the invention；
Fig. 6 is the MTF curve figure of tight shot according to an embodiment of the invention；
Fig. 7 is the relative illumination figure of tight shot according to an embodiment of the invention.
Label declaration：
A-1, the first crescent moon concavees lens；A-2, the second crescent moon concavees lens；A-3, the 3rd crescent moon concavees lens；
A-4, the first crescent moon convex lens；A-5, the first biconvex lens；A-6, the first biconcave lens；
A-7, the 4th crescent moon concavees lens；A-8, the second crescent moon convex lens；A-9, the 3rd crescent moon convex lens；
A-10, the second biconvex lens；A-11, the 3rd biconvex lens；A-12, the 5th crescent moon concavees lens.
Embodiment
To describe the technology contents of the present invention, the objects and the effects in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
As shown in figure 1, a kind of tight shot for adapting to 3CCD video cameras according to an embodiment of the invention is included by thing
Surface side to image planes side is sequentially coaxially set：The first crescent moon concavees lens A-1 with negative refracting power；Second with negative refracting power
Crescent moon concavees lens A-2；The 3rd crescent moon concavees lens A-3 with negative refracting power；The first crescent moon convex lens A- with positive refracting power
4；The first biconvex lens A-5 with positive refracting power；The first biconcave lens A-6 with negative refracting power；Iris diaphgram；With negative
4th crescent moon concavees lens A-7 of refracting power；The second crescent moon convex lens A-8 with positive refracting power；The 3rd with positive refracting power
Crescent moon convex lens A-9；The second biconvex lens A-10 with positive refracting power；The 3rd biconvex lens A-11 with positive refracting power；
The 5th crescent moon concavees lens A-12 with negative refracting power.
In an alternative embodiment, the first biconvex lens A-5 and the first biconcave lens A-6 is mutually glued to be formed
First balsaming lens；And the 4th crescent moon concavees lens A-7 and the second crescent moon convex lens A-8 are mutually glued to form the
Two balsaming lens；And the 3rd biconvex lens A-11 and the 5th crescent moon concavees lens A-12 is mutually glued to form the 3rd
Balsaming lens.
In an alternative embodiment, the thing side of the first crescent moon concavees lens A-1 is convex surface；The second crescent moon concavees lens
A-2 thing side is convex surface；The thing side of the 3rd crescent moon concavees lens A-3 is convex surface；The first crescent moon convex lens A-4's
Thing side is concave surface；The thing side of second balsaming lens is concave surface；The thing side of the 3rd crescent moon convex lens A-9 is recessed
Face.
In an alternative embodiment, the interval d between the first crescent moon concavees lens A-1 and the second crescent moon concavees lens A-21-2Meet
0.12<d1-2/EFL<0.14；Interval d between second crescent moon concavees lens A-2 and the 3rd crescent moon concavees lens A-32-3Meet 0.08<
d2-3/EFL<0.12；Interval d between 3rd crescent moon concavees lens A-3 and the first crescent moon convex lens A-43-4Meet 0.12<d3-4/
EFL<0.16；Interval d between first crescent moon convex lens A-4 and the first balsaming lens4-56Meet 0.45<d4-56/EFL<0.49；
Interval d between first balsaming lens and the second balsaming lens56-78Meet 1.12<d45-78/EFL<1.16；Second balsaming lens
With the interval d between the 3rd crescent moon convex lens A-978-9Meet 0.003<d1-2/EFL<0.004；3rd crescent moon convex lens A-9 with
Interval d between second biconvex lens A-109-10Meet 0.002<d9-10/EFL<0.005；Second biconvex lens A-10 and the 3rd
Interval d between balsaming lens10-11/12Meet 0.003<d10-11/12/EFL<0.005；Between 3rd balsaming lens and image planes
It is spaced d11/12-IMeet 1.20<d11/12-I/EFL<1.40, wherein EFL are the focal length of camera lens.
In an alternative embodiment, the angle of visual field of the tight shot is 55 °.
In an alternative embodiment, the distance between the iris diaphgram and the 3rd crescent moon convex lens A-9 D1 and, it is described
5th crescent moon concavees lens A-12 to the distance between image planes D2 meets that 1.5 ＜ (D1+D2)/EFL ＜ 2.5, EFL focuses mirror to be described
The focal length value of head.So as to which the optical system has floating focus function, the image quality of shooting can be improved within the specific limits.
In an alternative embodiment, the tight shot meets 0.4<y/EFL<0.6, wherein y are the half of the tight shot
Image height, EFL are the focal length value of the tight shot.
In an alternative embodiment, the maximum clear aperature of the tight shot meets Fno<3, wherein Fno are tight shot
F numbers.
In an alternative embodiment, the back work distance of the tight shot meets BFL/EFL from BFL>1.2, wherein EFL are mirror
The focal length value of head.
In an alternative embodiment, the overall length TTL of the tight shot meets TTL/EFL<6, wherein EFL are the focal length of camera lens
Value.
The invention further relates to a kind of 3CCD video cameras, including tight shot as described above.
The camera lens can have the characteristics that high-resolution, low chromatic aberation, distortion are small, and floating focusing machine can be used in internal system
Structure, image quality in shooting at close range is improved, and can be 1/2 that " 3CCD colour TV cameras provide photosignal, generation clear and natural
Coloured image.
Fig. 2 shows the index path of tight shot according to an embodiment of the invention.It is seen that the tight shot
Good processing can be carried out to the light of incidence and converged in image planes.
It can be seen that from Fig. 3 to Fig. 7, tight shot according to an embodiment of the invention has extraordinary performance, Ke Yiman
Foot is actually needed.
Embodiment one：
In the present embodiment, the data of tight shot such as following table：
Wherein numeral 1~22 represent successively the optical surfaces of each lens from object plane side to image planes side to close to next light
The distance (in the case where two optical surfaces belong to same lens, it represents the thickness of the lens) in face.Thickness or distance
Value is denoted as " D1 ", " D2 ", and when representing that camera lens is under different operating distance, the distance between two surfaces, its distance is as shown in Table 2.
Table two
In the present embodiment, the focal length of the tight shot is 28.5mm.So as to which the tight shot can meet main flow needs.
In the present embodiment, the maximum clear aperature F numbers of tight shot are 2.8, are met：Fno<3, wherein Fno are optics
The F numbers of system.
In the present embodiment, the angle of visual field of tight shot is 55 °.
In the present embodiment, the CCD of tight shot and 1/8 " is matched, and half image height is 15mm, y/EFL=0.526, is met
0.4<y/EFL<0.6, wherein y are half image height of the optical system, and EFL is the focal length value of camera lens.
In the present embodiment, the rear work intercept BFL of tight shot is 37.039mm, BFL/EFL=1.299, is met:
BFL/EFL>1.2, wherein EFL are the focal length value of camera lens.
In the present embodiment, the overall length TTL of tight shot is 167mm, TTL/EFL=5.86, is met:TTL/EFL<6, its
Middle EFL is the focal length value of camera lens.
In the present embodiment, camera lens and 1/8 " CCD, which is matched, can make resolution of lens reach 15,000,000 pixels.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (10)
- A kind of 1. tight shot, it is characterised in that：Including what is sequentially coaxially set by object plane side to image planes side：With negative refracting power The first crescent moon concavees lens；The second crescent moon concavees lens with negative refracting power；The 3rd crescent moon concavees lens with negative refracting power；Tool There are the first crescent moon convex lens of positive refracting power；The first biconvex lens with positive refracting power；The first concave-concave with negative refracting power Lens；Iris diaphgram；The 4th crescent moon concavees lens with negative refracting power；The second crescent moon convex lens with positive refracting power；Have 3rd crescent moon convex lens of positive refracting power；The second biconvex lens with positive refracting power；The 3rd lenticular with positive refracting power Mirror；The 5th crescent moon concavees lens with negative refracting power.
- 2. tight shot according to claim 1, it is characterised in that：First biconvex lens and first concave-concave are saturating Mirror is mutually glued to form the first balsaming lens；And the 4th crescent moon concavees lens and the mutual glue of the second crescent moon convex lens Close to form the second balsaming lens；And the 3rd biconvex lens and the 5th crescent moon concavees lens are mutually glued to form the Three balsaming lens.
- 3. tight shot according to claim 2, it is characterised in that：The thing side of the first crescent moon concavees lens is convex Face；The thing side of the second crescent moon concavees lens is convex surface；The thing side of the 3rd crescent moon concavees lens is convex surface；Described first The thing side of crescent moon convex lens is concave surface；The thing side of second balsaming lens is concave surface；The 3rd crescent moon convex lens Thing side is concave surface.
- 4. tight shot according to claim 2, it is characterised in that:First crescent moon concavees lens and the second crescent moon concavees lens it Between interval d1-2Meet 0.12<d1-2/EFL<0.14；Interval d between second crescent moon concavees lens and the 3rd crescent moon concavees lens2-3 Meet 0.08<d2-3/EFL<0.12；Interval d between 3rd crescent moon concavees lens and the first crescent moon convex lens3-4Meet 0.12< d3-4/EFL<0.16；Interval d between first crescent moon convex lens and the first balsaming lens4-56Meet 0.45<d4-56/EFL<0.49； Interval d between first balsaming lens and the second balsaming lens56-78Meet 1.12<d45-78/EFL<1.16；Second balsaming lens With the interval d between the 3rd crescent moon convex lens78-9Meet 0.003<d1-2/EFL<0.004；3rd crescent moon convex lens and second pair Interval d between convex lens9-10Meet 0.002<d9-10/EFL<0.005；Between second biconvex lens and the 3rd balsaming lens It is spaced d10-11/12Meet 0.003<d10-11/12/EFL<0.005；Interval d between 3rd balsaming lens and image planes11/12-IMeet 1.20<d11/12-I/EFL<1.40, wherein EFL are the focal length of camera lens.
- 5. tight shot according to claim 1, it is characterised in that:The iris diaphgram and the 3rd crescent moon convex lens The distance between D1 and the 5th crescent moon concavees lens meet 1.5 ＜ (D1+D2)/EFL ＜ 2.5 to the distance between image planes D2, EFL is the focal length value of the tight shot.
- 6. tight shot according to claim 1, it is characterised in that:The tight shot meets 0.4<y/EFL<0.6, its Middle y is half image height of the tight shot, and EFL is the focal length value of the tight shot.
- 7. tight shot according to claim 1, it is characterised in that:The maximum clear aperature of the tight shot meets Fno<3, wherein Fno are the F numbers of tight shot.
- 8. tight shot according to claim 1, it is characterised in that:The back work distance of the tight shot meets from BFL BFL/EFL>1.2, wherein EFL are the focal length value of camera lens.
- 9. tight shot according to claim 1, it is characterised in that:The overall length TTL of the tight shot meets TTL/EFL <6, wherein EFL are the focal length value of camera lens.
- 10. a kind of 3CCD video cameras, it is characterised in that including tight shot as claimed in any one of claims 1-9 wherein.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680825.6A CN107422455B (en) | 2017-08-10 | 2017-08-10 | Fixed focus lens and 3CCD camera comprising same |
| GB1911569.0A GB2573716B (en) | 2017-08-10 | 2018-08-03 | Prime Lens and 3CCD Camera Comprising Same |
| PCT/CN2018/098422 WO2019029436A1 (en) | 2017-08-10 | 2018-08-03 | Fixed focus lens and 3ccd camera comprising said fixed focus lens |
| DE112018000721.9T DE112018000721B4 (en) | 2017-08-10 | 2018-08-03 | Fixed focal length lens and 3CCD camera that includes it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680825.6A CN107422455B (en) | 2017-08-10 | 2017-08-10 | Fixed focus lens and 3CCD camera comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107422455A true CN107422455A (en) | 2017-12-01 |
| CN107422455B CN107422455B (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710680825.6A Active CN107422455B (en) | 2017-08-10 | 2017-08-10 | Fixed focus lens and 3CCD camera comprising same |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN107422455B (en) |
| DE (1) | DE112018000721B4 (en) |
| GB (1) | GB2573716B (en) |
| WO (1) | WO2019029436A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029436A1 (en) * | 2017-08-10 | 2019-02-14 | 福建浩蓝光电有限公司 | Fixed focus lens and 3ccd camera comprising said fixed focus lens |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118033875B (en) * | 2024-04-09 | 2024-06-18 | 宁波舜宇光电信息有限公司 | Wide-angle focusing optical imaging lens and imaging equipment |
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| CN106019541A (en) * | 2015-03-30 | 2016-10-12 | 株式会社腾龙 | Inner focusing lens |
| JP2017053977A (en) * | 2015-09-09 | 2017-03-16 | リコーイメージング株式会社 | Zoom lens system |
| CN106707476A (en) * | 2015-11-13 | 2017-05-24 | 佳能株式会社 | Zoom lens and image pickup apparatus including the same |
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| JP4359061B2 (en) * | 2003-03-14 | 2009-11-04 | パナソニック株式会社 | Small zoom lens, and digital camera and video camera using the same |
| CN101354478B (en) * | 2007-07-23 | 2010-06-02 | 扬明光学股份有限公司 | fixed focus lens |
| JP2009186790A (en) * | 2008-02-07 | 2009-08-20 | Fujinon Corp | Projection lens and projection display device with the same |
| JP2010122326A (en) * | 2008-11-17 | 2010-06-03 | Fujinon Corp | Zoom lens for projection and projection-type display device |
| CN107422455B (en) * | 2017-08-10 | 2020-04-10 | 福建浩蓝光电有限公司 | Fixed focus lens and 3CCD camera comprising same |
-
2017
- 2017-08-10 CN CN201710680825.6A patent/CN107422455B/en active Active
-
2018
- 2018-08-03 DE DE112018000721.9T patent/DE112018000721B4/en active Active
- 2018-08-03 GB GB1911569.0A patent/GB2573716B/en active Active
- 2018-08-03 WO PCT/CN2018/098422 patent/WO2019029436A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019541A (en) * | 2015-03-30 | 2016-10-12 | 株式会社腾龙 | Inner focusing lens |
| JP2017053977A (en) * | 2015-09-09 | 2017-03-16 | リコーイメージング株式会社 | Zoom lens system |
| CN106707476A (en) * | 2015-11-13 | 2017-05-24 | 佳能株式会社 | Zoom lens and image pickup apparatus including the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029436A1 (en) * | 2017-08-10 | 2019-02-14 | 福建浩蓝光电有限公司 | Fixed focus lens and 3ccd camera comprising said fixed focus lens |
| GB2573716A (en) * | 2017-08-10 | 2019-11-13 | Azure Photonics Co Ltd | Fixed focus lens and 3CCD camera comprising said fixed focus lens |
| GB2573716B (en) * | 2017-08-10 | 2022-04-27 | Azure Photonics Co Ltd | Prime Lens and 3CCD Camera Comprising Same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201911569D0 (en) | 2019-09-25 |
| DE112018000721B4 (en) | 2021-05-12 |
| WO2019029436A1 (en) | 2019-02-14 |
| CN107422455B (en) | 2020-04-10 |
| GB2573716A (en) | 2019-11-13 |
| GB2573716B (en) | 2022-04-27 |
| DE112018000721T5 (en) | 2019-11-14 |
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