CN208506352U - It can be used for the portable camera lens that unmanned plane is shot on a large scale - Google Patents
It can be used for the portable camera lens that unmanned plane is shot on a large scale Download PDFInfo
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- CN208506352U CN208506352U CN201821246389.8U CN201821246389U CN208506352U CN 208506352 U CN208506352 U CN 208506352U CN 201821246389 U CN201821246389 U CN 201821246389U CN 208506352 U CN208506352 U CN 208506352U
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- 230000003287 optical effect Effects 0.000 claims abstract description 51
- 239000000571 coke Substances 0.000 claims abstract description 15
- 101100366702 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SSK2 gene Proteins 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000009738 saturating Methods 0.000 description 1
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Abstract
The utility model proposes a kind of portable camera lenses that can be used for unmanned plane and shoot on a large scale, it is characterized in that, it successively include: the first lens group from object space along optical axis direction, aperture diaphragm and the second lens group, first lens group includes first lens with negative power, the second lens with negative power, the third lens with negative power and the 4th lens with positive light coke, second lens group includes the 5th lens with negative power, the 6th lens with positive light coke, the 7th lens with positive light coke, the 8th lens with negative power, the 9th lens with positive light coke；The third lens and the 4th lens combination at cemented doublet, the 5th lens and the 6th lens combination at cemented doublet, the 8th lens and the 9th lens combination at cemented doublet, aperture diaphragm is between the 4th lens and the 5th lens.Have the characteristics that good big field angle, large aperture, miniaturization, image sensors' uniformity, good imaging quality, compact-sized.
Description
Technical field
The utility model relates to camera lens field more particularly to it is a kind of can be used for unmanned plane shoot on a large scale it is light
Formula camera lens.
Background technique
In recent years, more and more fields not only need the image of high resolution, it is also necessary to very big coverage, such as
Virtual reality camera, unmanned plane camera and panorama camera etc..The especially extensive use of unmanned plane, so that unmanned plane camera is close
The development of explosion type is almost showed over year, this just have stimulated the great demand of the camera lens shot to high-resolution, on a large scale.
Since in the case where the imaging viewing field angle of camera lens is big, it can be realized full airspace containment and full-time domain real time information
Acquisition, this is the field range that common optical system is unable to reach.But the general field angle of camera on current unmanned plane
It is all smaller, large-scale imaging is taken if necessary, needs to install multiple cameras；And the big mirror of areas imaging in the market
Head, the lower and larger-size problem basically there exist image quality.
Utility model content
The technical problems to be solved in the utility model be current unmanned plane camera there are aiming at the problem that, providing one kind can
For the portable camera lens that unmanned plane is shot on a large scale, with big field angle, large aperture, miniaturization, image sensors' uniformity it is good, at
As the relatively easy feature of high-quality, structure.The camera lens has large aperture, is allowed in the case where insufficient light in this way, together
Sample can take clearly image.
To achieve the above purpose, the technical solution of the present invention is:
A kind of portable camera lens that can be used for unmanned plane and shoot on a large scale, which is characterized in that along optical axis direction from object space
It successively include: the first lens group, aperture diaphragm and the second lens group, first lens group includes with negative power
One lens, the second lens with negative power, the third lens with negative power and the with positive light coke the 4th are thoroughly
Mirror, second lens group include the 5th lens with negative power, the 6th lens with positive light coke, have positive light focus
The 7th lens, the 8th lens with negative power, the 9th lens with positive light coke of degree；
At cemented doublet, the 5th lens and the 6th lens combination are in pairs for the third lens and the 4th lens combination
At cemented doublet, the aperture diaphragm is located at the 4th lens and for balsaming lens, the 8th lens and the 9th lens combination
Between five lens.
Preferably, first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th
Lens, the 8th lens, the 9th lens refractive index be respectively as follows: 1.6127,1.6204,1.4875,1.7847,1.7847,
1.7440、1.7555、1.7847、1.6223。
Preferably, first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th
Lens, the 8th lens, the 9th lens material be respectively as follows: SK4, N-SK16, N-FK5, SF56A, SF56A, N-LAF2, P-
LAF37、SF56A、SSK2。
Preferably, the optical surface towards object space of first lens is convex to image space, is convex to object towards the optical surface of image space
Side；The optical surface of second lens towards object space and the image space is convex to object space；Optical surface of the third lens towards object space
It is convex to image space, is convex to object space towards the optical surface of image space；The optical surface of 4th lens towards object space and the image space is convex to object
Side；The optical surface of 5th lens towards the object space is convex to image space, is convex to object space towards the optical surface of image space；6th lens
It is convex to object space towards the optical surface of object space, is convex to image space towards the optical surface of image space；Optics of 7th lens towards object space
Face is convex to object space, is convex to image space towards the optical surface of image space；8th lens are convex to towards the optical surface of object space and image space
Object space；The optical surface of 9th lens towards the object space is convex to object space, is convex to image space towards the optical surface of image space.
Preferably, camera lens can field angle be 150 °, total focal length 0.701mm, F/# value is 2.0, and total length is
9.947mm, detectable wave-length coverage are 400nm-700nm, dominant wavelength 586.7nm.
Preferably, first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th
Lens, the 8th lens, respective two optical surfaces of the 9th lens are spherical surface.
In the present invention, first lens and the second lenses guarantee in the first lens group with negative power are utilized
The big field angle (namely big coverage) of camera lens, while using muti-piece cemented doublet in camera lens and effectively correcting respectively
Kind aberration, ensure that the high imaging quality of camera lens.And it can be all made of spherical design in lens design, rather than must adopt
With aspheric design, so that processing cost is lower.Camera lens has big field angle, large aperture, miniaturization, image sensors' uniformity
Good, good imaging quality, compact-sized feature.
Detailed description of the invention
With reference to the accompanying drawings and detailed description to the further details of explanation of the utility model:
Fig. 1 is the utility model embodiment structural schematic diagram；
Fig. 2 is the modulation transfer function (MTF) curve graph of the utility model embodiment；
Fig. 3 is the relative illumination figure of the utility model embodiment；
Fig. 4 is the distortion curve of the utility model embodiment camera lens；
Fig. 5 is the index path of the utility model embodiment；
In figure: the first lens of 1-；The second lens of 2-；3- the third lens；The 4th lens of 4-；The 5th lens of 5-；6- the 6th is saturating
Mirror；The 7th lens of 7-；The 8th lens of 8-；The 9th lens of 9-；The first lens group of 10-；20- aperture diaphragm；The second lens group of 30-.
Specific embodiment
For the feature and advantage of this patent can be clearer and more comprehensible, special embodiment below is described in detail below:
As shown in Figure 1 and Figure 5, in lens design scheme provided in this embodiment, along optical axis direction from object space including
First lens group 10, aperture diaphragm 20 and the second lens group 30, the first lens group 10 include with negative power and towards object
The optical surface of side is convex to image space and is convex to the first lens 1 of object space towards the optical surface of image space, has negative power and towards object
The optical surface of side and image space is convex to the second lens 2 of object space, is convex to image space with negative power and towards the optical surface of object space
And the third lens 3 of object space are convex to and with positive light coke and towards the optical surface of object space and image space towards the optical surface of image space
The 4th lens 4 of object space are convex to, the second lens group 30 includes having negative power and being convex to image space towards the optical surface of object space
And it is convex to the 5th lens 5 of object space towards the optical surface of image space, is convex to object space with positive light coke and towards the optical surface of object space
And it is convex to the 6th lens 6 of image space towards the optical surface of image space, is convex to object space with positive light coke and towards the optical surface of object space
And towards image space optical surface be convex to the 7th lens 7 of image space, it is equal with negative power and towards the optical surface of object space and image space
It is convex to the 8th lens 8 of object space, is convex to object space with positive light coke and towards the optical surface of object space and towards the optical surface of image space
It is convex to the 9th lens 9 of image space.
The third lens 3 and the 4th lens 4 are combined into cemented doublet, and the 5th lens 5 combine gluing in pairs with the 6th lens 6
Lens, the 8th lens 8 and the 9th lens 9 are combined into cemented doublet, and aperture diaphragm 20 is located at the 4th lens 4 and the 5th lens 5
Between.
The present embodiment provides camera lens can field angle be 150 °, total focal length 0.701mm, F/# value is 2.0, and total length is
9.947mm, detectable wave-length coverage are 400nm-700nm, dominant wavelength 586.7nm.
First lens 1, the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th lens
7, the 8th lens 8, the 9th lens 9 material be respectively SK4 (n=1.6127), N-SK16 (n=1.6204), N-FK5 (n=
1.4875)、SF56A(n=1.7847)、SF56A(n=1.7847)、N-LAF2(n=1.7440)、P-LAF37(n=1.7555)、
SF56A(n=1.7847)、SSK2(n=1.6223)。
In the present embodiment, each respective two optical surfaces of lens are spherical surface.
Fig. 2, Fig. 3 and Fig. 4 are respectively modulation transfer function (MTF) curve, relative illumination and the distortion of the present embodiment camera lens
Figure.Available in the case where 30lp/mm from Fig. 2, the value of MTF is both greater than 0.65, and MTF curve phase within the scope of full filed
To smooth, this just illustrates that the image quality of camera lens is very high；In addition, the opposite of the camera lens can be respectively obtained according to Fig. 3 and Fig. 4
Illumination is very high, and distorts and meet design requirement.
More specifically structural parameters are shown in Table 1 to the present embodiment camera lens.
Table 1
To sum up, technical solution provided in this embodiment can make the image sensors' uniformity of camera lens more preferable, and image quality is more
Height, it is compact-sized, easily facilitate processing and installation.
This patent is not limited to above-mentioned preferred forms, anyone can obtain other each under the enlightenment of this patent
The portable camera lens that can be used for unmanned plane and shoot on a large scale of kind of form, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of this patent.
Claims (6)
1. a kind of portable camera lens that can be used for unmanned plane and shoot on a large scale, which is characterized in that along optical axis direction from object space according to
Secondary includes: the first lens group, aperture diaphragm and the second lens group, and first lens group includes first with negative power
Lens, the second lens with negative power, the third lens with negative power and the 4th lens with positive light coke,
Second lens group includes the 5th lens with negative power, the 6th lens with positive light coke, has positive light coke
The 7th lens, the 8th lens with negative power, the 9th lens with positive light coke；
The third lens and the 4th lens combination are at cemented doublet, the 5th lens and the 6th lens combination gluing in pairs
At cemented doublet, the aperture diaphragm is located at the 4th lens and the 5th thoroughly for lens, the 8th lens and the 9th lens combination
Between mirror.
2. the portable camera lens according to claim 1 that can be used for unmanned plane and shoot on a large scale, it is characterised in that: described
One lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th are thoroughly
The refractive index of mirror is respectively as follows: 1.6127,1.6204,1.4875,1.7847,1.7847,1.7440,1.7555,1.7847,
1.6223。
3. the portable camera lens according to claim 1 that can be used for unmanned plane and shoot on a large scale, it is characterised in that: described
One lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th are thoroughly
The material of mirror is respectively as follows: SK4, N-SK16, N-FK5, SF56A, SF56A, N-LAF2, P-LAF37, SF56A, SSK2.
4. the portable camera lens according to claim 1 that can be used for unmanned plane and shoot on a large scale, it is characterised in that: described
The optical surface towards object space of one lens is convex to image space, is convex to object space towards the optical surface of image space；Second lens are towards object
The optical surface of side and image space is convex to object space；The optical surface of the third lens towards object space is convex to image space, towards the light of image space
Face is convex to object space；The optical surface of 4th lens towards object space and the image space is convex to object space；5th lens are towards object
The optical surface of side is convex to image space, is convex to object space towards the optical surface of image space；The optical surface of 6th lens towards the object space is convex to
Object space is convex to image space towards the optical surface of image space；The optical surface of 7th lens towards the object space is convex to object space, towards image space
Optical surface is convex to image space；The optical surface of 8th lens towards object space and the image space is convex to object space；The 9th lens direction
The optical surface of object space is convex to object space, is convex to image space towards the optical surface of image space.
5. the portable camera lens according to claim 1 that can be used for unmanned plane and shoot on a large scale, it is characterised in that: camera lens
Can field angle be 150 °, total focal length 0.701mm, F/# value is 2.0, total length 9.947mm, and detectable wave-length coverage is
400nm-700nm, dominant wavelength 586.7nm.
6. the portable camera lens according to claim 1 that can be used for unmanned plane and shoot on a large scale, it is characterised in that: described
One lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th are thoroughly
Respective two optical surfaces of mirror are spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246389.8U CN208506352U (en) | 2018-08-03 | 2018-08-03 | It can be used for the portable camera lens that unmanned plane is shot on a large scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246389.8U CN208506352U (en) | 2018-08-03 | 2018-08-03 | It can be used for the portable camera lens that unmanned plane is shot on a large scale |
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| CN208506352U true CN208506352U (en) | 2019-02-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142321A (en) * | 2020-02-26 | 2020-05-12 | 歌尔股份有限公司 | Optical system and projection apparatus |
| CN114114628A (en) * | 2021-12-06 | 2022-03-01 | 莆田学院 | Large-aperture low-distortion high-resolution optical system for machine vision |
| WO2022048650A1 (en) * | 2020-09-04 | 2022-03-10 | 深圳市道通智能航空技术股份有限公司 | Photographing camera and unmanned aerial vehicle |
-
2018
- 2018-08-03 CN CN201821246389.8U patent/CN208506352U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142321A (en) * | 2020-02-26 | 2020-05-12 | 歌尔股份有限公司 | Optical system and projection apparatus |
| WO2022048650A1 (en) * | 2020-09-04 | 2022-03-10 | 深圳市道通智能航空技术股份有限公司 | Photographing camera and unmanned aerial vehicle |
| CN114114628A (en) * | 2021-12-06 | 2022-03-01 | 莆田学院 | Large-aperture low-distortion high-resolution optical system for machine vision |
| CN114114628B (en) * | 2021-12-06 | 2024-02-23 | 莆田学院 | Large aperture low distortion high resolution optical system for machine vision |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |