CN205539672U - Super wide angle micro lens who can be used to monitored control system - Google Patents
Super wide angle micro lens who can be used to monitored control system Download PDFInfo
- Publication number
- CN205539672U CN205539672U CN201620248577.9U CN201620248577U CN205539672U CN 205539672 U CN205539672 U CN 205539672U CN 201620248577 U CN201620248577 U CN 201620248577U CN 205539672 U CN205539672 U CN 205539672U
- Authority
- CN
- China
- Prior art keywords
- lens
- negative power
- wide angle
- optical system
- angle micro
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a super wide angle micro lens who can be used to monitored control system, from object space to the image space coaxial back optical system of group who is provided with the preceding optical system of group who has negative optical power and has positive refractive power in proper order, the preceding optical system of group is just formed by negative optical power's first lens, negative optical power's second lens and negative optical power's the 3rd lens composition for the cemented doublet, after organize optical system and constitute by negative optical power's fourth lens, negative optical power's the 5th lens, aperture stop, positive refractive power's VI lenses, positive refractive power's the 7th lens, negative optical power's the 8th lens, negative optical power's the 9th lens, positive refractive power's the tenth lens, positive refractive power's the 11 lens and light filter in proper order. The beneficial effect of the utility model: the image planes homogeneity is good, and the image quality is high, and the size is little, and compact structure easily processes and installs.
Description
Technical field
The present invention relates to camera lens field, relate in particular to a kind of ultra wide angle micro camera lens that can be used for monitoring system.
Background technology
Camera lens is the core of imaging device, communication, machine vision, navigate, position, the aspect such as small intelligence system succeeds application, particularly in terms of security monitoring.In recent years, along with the development of microelectric technique, the development of the photoelectronic imaging device such as CCD technique being applied to optical imaging apparatus constantly improves, and pixel dimension is more and more less, thus makes the miniaturization of imaging system, low cost and high imaging quality to become a reality.
The angle of visual field of bugeye lens optical system is that general camera lens is incomparable, its angle of visual field can reach 120 ° even more big, have a wide range of applications in a lot of fields.It can reach to be obtained in that large-scale image when monitoring, and camera lens need not rotate and scanning, can the target from any direction be had a panoramic view quietly.System for being monitored should possess the advantages such as volume is little, monitoring range is wide, and therefore the optical system of ultra wide angle micro camera lens is significant in monitoring system system equipment is studied.Design and wide and low cost the camera lens of development miniaturization, image quality height and scope are always important developing direction.
But there is the various problems such as poor, bulky, the processing difficulties of image quality in existing wide-angle lens.
Therefore, developing a kind of good imaging quality, size is little, compact conformation, it is easy to the wide-angle lens processed and install, and becomes the problem needing solution badly for insider.
Summary of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of ultra wide angle micro camera lens that can be used for monitoring system, has image sensors' uniformity good, image quality is high, and size is little, compact conformation, the plurality of advantages such as easily manufactured and installed, thus solve above-mentioned technical problem.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
A kind of ultra wide angle micro camera lens that can be used for monitoring system, sequentially coaxially it is provided with the front group of optical system with negative power and the rear group of optical system with positive light coke to image space from thing side, before described, group optical system is cemented doublet and by the first lens of negative power, second lens of negative power and the 3rd lens combination of negative power form, after described, group optical system is successively by the 4th lens of negative power, 5th lens of negative power, aperture diaphragm, 6th lens of positive light coke, 7th lens of positive light coke, 8th lens of negative power, 9th lens of negative power, tenth lens of positive light coke, 11st lens of positive light coke and optical filter composition.
Further, optical lens surface all uses spherical structure to design.
Further, the angle of visibility of camera lens is 120 °, total focal length be 0.583mm, F/# value be 2, overall length is 6.316mm, and back work distance is from for 1.048mm, and detectable wave-length coverage is 400nm-700nm, and dominant wavelength is 587nm.
Further, the material of described first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens, the 9th lens, the tenth lens and the 11st lens is respectively SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SK4 (n=1.6127), SK4 (n=1.6127), SF1 (n=1.7174), SF1 (n=1.7174), SK4 (n=1.6127) and SK4 (n=1.6127)；The material of described optical filter is BK7 (n=1.5168).
Further, described 4th lens and the 5th battery of lens synthesis cemented doublet, described 7th lens and the 8th battery of lens synthesis cemented doublet, described 9th lens and the tenth battery of lens synthesis cemented doublet.
Beneficial effects of the present invention: image sensors' uniformity is good, image quality is high, and size is little, compact conformation, it is easy to processes and installs.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the ultra wide angle micro camera lens that can be used for monitoring system described according to embodiments of the present invention；
Fig. 2 is the MTF curve figure according to the ultra wide angle micro camera lens that can be used for monitoring system shown in Fig. 1；
Fig. 3 is the distortion curve figure according to the ultra wide angle micro camera lens that can be used for monitoring system shown in Fig. 1；
Fig. 4 is the RMS/ visual field curve chart according to the ultra wide angle micro camera lens that can be used for monitoring system shown in Fig. 1；
Fig. 5 is the relative illumination figure according to the ultra wide angle micro camera lens that can be used for monitoring system shown in Fig. 1；
Fig. 6 is the index path according to the ultra wide angle micro camera lens that can be used for monitoring system shown in Fig. 1.
In figure:
1, the first lens；2, the second lens；3, the 3rd lens；4, the 4th lens；5, the 5th lens；6, the 6th lens；7, the 7th lens；8, the 8th lens；9, the 9th lens；10, the tenth lens；11, the 11st lens；12, optical filter；13, aperture diaphragm.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into the scope of protection of the invention.
As shown in figures 1 to 6, a kind of ultra wide angle micro camera lens that can be used for monitoring system described according to embodiments of the present invention, sequentially coaxially it is provided with the front group of optical system with negative power and the rear group of optical system with positive light coke to image space from thing side, before described, group optical system is cemented doublet and by the first lens 1 of negative power, second lens 2 of negative power and the 3rd lens 3 of negative power combine, after described, group optical system is successively by the 4th lens 4 of negative power, 5th lens 5 of negative power, aperture diaphragm 13, 6th lens 6 of positive light coke, 7th lens 7 of positive light coke, 8th lens 8 of negative power, 9th lens 9 of negative power, tenth lens 10 of positive light coke, 11st lens 11 of positive light coke and optical filter 12 form.
Wherein, optical lens surface all uses spherical structure to design；Wherein, the angle of visibility of camera lens is 120 °, total focal length be 0.583mm, F/# value be 2, overall length is 6.316mm, and back work distance is from for 1.048mm, and detectable wave-length coverage is 400nm-700nm, and dominant wavelength is 587nm；Wherein, described first lens 1, second lens 2, 3rd lens 3, 4th lens 4, 5th lens 5, 6th lens 6, 7th lens 7, 8th lens 8, 9th lens 9, the material of the tenth lens the 10 and the 11st lens 11 is respectively SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SK4 (n=1.6127), SK4 (n=1.6127), SF1 (n=1.7174), SF1 (n=1.7174), SK4 (n=1.6127) and SK4 (n=1.6127)；The material of described optical filter 12 is BK7 (n=1.5168)；Wherein, described 4th lens 4 and the 5th lens 5 are combined into cemented doublet, and described 7th lens 7 and the 8th lens 8 are combined into cemented doublet, and described 9th lens 9 and the tenth lens 10 are combined into cemented doublet.
Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are respectively and a kind of can be used for the MTF curve of ultra wide angle micro camera lens of monitoring system, distortion curve, RMS/ visual field curve and relative illumination figure.Can show that from Fig. 2, Fig. 3, Fig. 4 and Fig. 5 present invention ultra wide angle micro required for protection lens optical system has good imaging quality, geometrical aberration is little, it is little to distort and relative illumination is high feature, meets the optical system requirement in monitoring device.
Understand the technique scheme of the present invention for convenience, be described in detail below by way of technique scheme to the present invention in specifically used mode.
nullBefore described, group optical system has negative power，Thus have the refraction angle bigger than plane refraction，After described, group optical system has positive light coke，Can utilize convex lens imaging principle that the light being refracted in described front group optical system is accumulated picture，Described 4th lens 4 and the 5th lens 5 are and have negative power and be convex to the semilune lens of image space，Described 6th lens 6、7th lens 7 are to have positive light coke and be convex to the lens of image space，Described 8th lens 8 are to have negative power and be convex to the lens of image space，And it is corresponding with described 7th lens 7，Described 9th lens 9 have negative power and are convex to the lens of thing side，Described tenth lens 10 are the biconvex lens with positive light coke，And it is corresponding with described 9th lens 9，Described 11st lens 11 are to have positive light coke and be convex to the semilune lens of thing side，The adjustable aperture that described aperture diaphragm 13 is similar in photographing unit，The size of imaging beam can be regulated，Described optical filter 12 can filter specific wavelength，And can change the most at any time.
The ultra wide angle micro lens construction parameter that can be used for monitoring system described in the present embodiment is shown in Table 1
1 one kinds of table can be used for the ultra wide angle micro lens construction parameter of monitoring system
| Optical surface | Radius (mm) | Thickness (mm) | Refractive index | Abbe number |
| 1# | -7.709 | 0.230 | 1.6127 | 58.6298 |
| 2# | 1.035 | 0.074 | ||
| 3# | 1.109 | 0.453 | 1.7174 | 29.5128 |
| 4# | -4.982 | 0.171 | 1.6127 | 58.6298 |
| 5# | 0.714 | 0.298 | ||
| 6# | -1.475 | 0.111 | 1.7174 | 29.5128 |
| 7# | -1.190 | 0.166 | 1.6127 | 58.6298 |
| 8# | -1.745 | 0.947 | ||
| 9(STO)# | Infinitely | 0.239 | ||
| 10# | -5.438 | 0.181 | 1.6127 | 58.6298 |
| 11# | -1.574 | 0.017 | ||
| 12# | 21.104 | 0.246 | 1.6127 | 58.6298 |
| 13# | -0.831 | 0.117 | 1.7174 | 29.5128 |
| 14# | -3.439 | 0.647 | ||
| 15# | 6.601 | 0.083 | 1.7174 | 29.5128 |
| 16# | 1.920 | 0.017 | ||
| 17# | 1.948 | 0.352 | 1.6127 | 58.6298 |
| 18# | -2.736 | 0.067 | ||
| 19# | 1.736 | 0.253 | 1.6127 | 58.6298 |
| 20# | 30.139 | 0.100 | ||
| 21# | Infinitely | 0.100 | 1.5168 | 64.1673 |
| 22# | Infinitely | 1.048 | ||
| 23(IMAGE)# | Infinitely |
In sum, by means of the technique scheme of the present invention, image sensors' uniformity can be made more preferable, image quality is higher, smaller, more compact structure, it is easier to processes and installs.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (5)
1. the ultra wide angle micro camera lens that can be used for monitoring system, it is characterized in that, sequentially coaxially it is provided with the front group of optical system with negative power and the rear group of optical system with positive light coke to image space from thing side, before described, group optical system is cemented doublet and by the first lens of negative power, second lens of negative power and the 3rd lens combination of negative power form, after described, group optical system is successively by the 4th lens of negative power, 5th lens of negative power, aperture diaphragm, 6th lens of positive light coke, 7th lens of positive light coke, 8th lens of negative power, 9th lens of negative power, tenth lens of positive light coke, 11st lens of positive light coke and optical filter composition.
A kind of ultra wide angle micro camera lens that can be used for monitoring system the most according to claim 1, it is characterised in that optical lens surface all uses spherical structure to design.
A kind of ultra wide angle micro camera lens that can be used for monitoring system the most according to claim 2, it is characterized in that, the angle of visibility of camera lens is 120 °, total focal length is 0.583mm, F/# value is 2, and overall length is 6.316mm, and back work distance is from for 1.048mm, detectable wave-length coverage is 400nm-700nm, and dominant wavelength is 587nm.
A kind of ultra wide angle micro camera lens that can be used for monitoring system the most according to claim 3, it is characterized in that, described first lens, second lens, 3rd lens, 4th lens, 5th lens, 6th lens, 7th lens, 8th lens, 9th lens, the material of the tenth lens and the 11st lens is respectively SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SF1 (n=1.7174), SK4 (n=1.6127), SK4 (n=1.6127), SK4 (n=1.6127), SF1 (n=1.7174), SF1 (n=1.7174), SK4 (n=1.6127) and SK4 (n=1.6127)；The material of described optical filter is BK7 (n=1.5168).
A kind of ultra wide angle micro camera lens that can be used for monitoring system the most according to claim 4, it is characterized in that, described 4th lens and the 5th battery of lens synthesis cemented doublet, described 7th lens and the 8th battery of lens synthesis cemented doublet, described 9th lens and the tenth battery of lens synthesis cemented doublet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620248577.9U CN205539672U (en) | 2016-03-29 | 2016-03-29 | Super wide angle micro lens who can be used to monitored control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620248577.9U CN205539672U (en) | 2016-03-29 | 2016-03-29 | Super wide angle micro lens who can be used to monitored control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539672U true CN205539672U (en) | 2016-08-31 |
Family
ID=56785525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620248577.9U Expired - Fee Related CN205539672U (en) | 2016-03-29 | 2016-03-29 | Super wide angle micro lens who can be used to monitored control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539672U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646837A (en) * | 2016-03-31 | 2017-05-10 | 优势拓展（北京）科技有限公司 | Fish-eye lens |
| CN108563000A (en) * | 2018-04-12 | 2018-09-21 | 东莞市宇瞳光学科技股份有限公司 | A kind of superstar lighting level high resolution tight shot |
| CN110328445A (en) * | 2019-07-12 | 2019-10-15 | 卡门哈斯激光科技（苏州）有限公司 | A kind of near-infrared monochromatie objective |
-
2016
- 2016-03-29 CN CN201620248577.9U patent/CN205539672U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646837A (en) * | 2016-03-31 | 2017-05-10 | 优势拓展（北京）科技有限公司 | Fish-eye lens |
| CN106646837B (en) * | 2016-03-31 | 2019-01-29 | 优势拓展（北京）科技有限公司 | Fish eye lens |
| CN108563000A (en) * | 2018-04-12 | 2018-09-21 | 东莞市宇瞳光学科技股份有限公司 | A kind of superstar lighting level high resolution tight shot |
| CN108563000B (en) * | 2018-04-12 | 2024-01-02 | 东莞市宇瞳光学科技股份有限公司 | Super star light level high resolution power prime lens |
| CN110328445A (en) * | 2019-07-12 | 2019-10-15 | 卡门哈斯激光科技（苏州）有限公司 | A kind of near-infrared monochromatie objective |
| CN110328445B (en) * | 2019-07-12 | 2020-12-22 | 卡门哈斯激光科技（苏州）有限公司 | Near-infrared monochromatic objective lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106597634B (en) | Image capturing lens system, image capturing device and electronic device | |
| CN106886081B (en) | Image capturing optical lens assembly, image capturing device and electronic device | |
| CN110297308B (en) | Photographing optical lens assembly, image capturing device and electronic device | |
| CN107490840B (en) | Image capturing optical lens assembly, image capturing device and electronic device | |
| TWI484215B (en) | Optical imaging lens system, image capturing device and mobile terminal | |
| CN109031617B (en) | Image pickup optical lens group and image capturing device | |
| CN104570277B (en) | Imaging optical lens, image capturing device and portable electronic device | |
| TWI612326B (en) | Micro imaging system, imaging apparatus and electronic device | |
| CN104635324B (en) | Image capturing lens assembly, image capturing device and mobile terminal | |
| CN105988184B (en) | Phtographic lens group, image-taking device and electronic device | |
| CN105093491A (en) | Image capturing optical lens, image capturing device and mobile terminal | |
| CN104570278B (en) | Image capturing lens assembly, image capturing device and mobile terminal | |
| CN104977696B (en) | Photographing optical lens assembly, image capturing device and mobile terminal | |
| CN106199931B (en) | Imaging lens system, image-taking device and electronic device | |
| TW201321791A (en) | Optical system | |
| CN108828751B (en) | Image capturing lens assembly and image capturing device | |
| TWM511632U (en) | Camera module and electronic device having camera module | |
| TW201712387A (en) | Imaging optical system, image capturing apparatus and electronic device | |
| CN109085694A (en) | Five chip broad angle lens groups | |
| CN205539672U (en) | Super wide angle micro lens who can be used to monitored control system | |
| CN106932884B (en) | Optical imaging lens group, image-taking device and electronic device | |
| CN106556918B (en) | Photographing optical system, image-taking device and electronic device | |
| KR102296115B1 (en) | Optical Imaging System | |
| KR102423974B1 (en) | Optical Imaging System | |
| TWI617832B (en) | Image capturing lens system, image capturing apparatus and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |