CN105204142B - A kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system - Google Patents
A kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system Download PDFInfo
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- CN105204142B CN105204142B CN201510599941.6A CN201510599941A CN105204142B CN 105204142 B CN105204142 B CN 105204142B CN 201510599941 A CN201510599941 A CN 201510599941A CN 105204142 B CN105204142 B CN 105204142B
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Abstract
This application discloses a kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, including group after group before the lens set that is set gradually along light incident direction and lens set, before the lens set diaphragm is provided between group after group and lens set, group includes the first lens set gradually along light incident direction before the lens set, second lens and the 3rd lens, first lens, second lens and the 3rd lens are respectively curved month type negative lens, platycelous negative lens and convex flat type positive lens, group includes the 4th lens set gradually along light incident direction after the lens set, 5th lens and the 6th lens, 4th lens, 5th lens and the 6th lens are respectively bent moon negative lens, biconvex positive lens and convex flat positive lens.Day and night confocal fish eye lens has 220 degree of visual perspectives to the high-resolution ultra-wide angle, and resolution ratio reaches 8 mega pixels, and the performance of day and night, can be applied to the safety monitoring of ultra-large vision field, particularly the hall of hotel, club etc..
Description
Technical field
The present invention relates to a kind of optical imaging system, more particularly to a kind of high-resolution ultra-wide angle day and night confocal fish eye lens
Optical system.
Background technology
Fish eye lens is a kind of extreme wide-angle lens, for the Camera angle for making camera lens reach maximum, its front lens it is straight
Footpath is protruded in parabolical to camera lens is anterior, the scope that fish-eye visual angle is made every effort to reach or can be seen beyond human eye.Therefore,
There is very big difference in the scene of fish eye lens and the real world in people's eye.The flake mirror being applied at present in safety-protection system
Head, field angle only reach 185 degree, and resolution ratio only has 5 mega pixels, can not meet existing 8,000,000 video camera, while current fish
Eye can not meet night monitoring without day and night confocal function.
The content of the invention
It is an object of the invention to provide a kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, to overcome
Deficiency of the prior art.
To achieve the above object, the present invention provides following technical solution：
The embodiment of the present application discloses a kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, including along light
Group after group and lens set before the lens set that incident direction is set gradually, is provided with after group and lens set between group before the lens set
Diaphragm, group includes the first lens, the second lens and the 3rd lens set gradually along light incident direction, institute before the lens set
It is respectively curved month type negative lens, platycelous negative lens and convex flat type positive lens to state the first lens, the second lens and the 3rd lens, institute
State the 4th lens, the 5th lens and the 6th lens that group after lens set includes setting gradually along light incident direction, the described 4th
Lens, the 5th lens and the 6th lens are respectively bent moon negative lens, biconvex positive lens and convex flat positive lens.
Preferably, in above-mentioned high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, the 4th lens
One group of gluing part lens is composed with the 5th lens.
Preferably, in above-mentioned high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, first lens
With the second lens at intervals of 2.9mm, second lens and the 3rd lens at intervals of 2.5mm, the 3rd lens and light
Door screen at intervals of 1.5mm, the diaphragm and glued part lens are at intervals of 0.1mm, between the gluing part lens and the 6th lens
It is divided into 0.1mm.
Preferably, in above-mentioned high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, first lens,
Second lens, the 3rd lens, the 4th lens, the radius of curvature R of the 5th lens and the 6th lens1And R2, light refractive index N, Abbe
Coefficient VdAnd lens thickness D meets successively along light incident direction：
| Radius of curvature R1 | Radius of curvature R2 | Light refractive index N | Abbe number Vd | Lens thickness D | |
| First lens | 10<R1<20 | 4<R2<8 | 1.6<N<1.8 | 60<Vd<70 | 0.5<D<1.2 |
| Second lens | R1=plane | 2<R2<3 | 1.7<N<1.8 | 50<Vd<60 | 0.5<D<1.2 |
| 3rd lens | 5<R1<20 | R2=plane | 1.8<N<1.9 | 10<Vd<20 | 3<D<4 |
| 4th lens | 10<R1<20 | 2<R2<5 | 1.8<N<1.9 | 20<Vd<30 | 1<D<2 |
| 5th lens | 2<R1<5 | -10<R2<-5 | 1.8<N<1.9 | 40<Vd<60 | 1<D<2 |
| 6th lens | 4<R1<10 | R2=plane | 1.7<N<1.9 | 50<Vd<70 | 1<D<2 |
Compared with prior art, the advantage of the invention is that：Optical system of the present invention uses spherical design, processing performance
Good, material cost is low.System is made of 6 eyeglasses, positive negative power combination raising resolution ratio, the high refraction of lens materials selection,
The optical glass material of low dispersion, the various aberrations of optical lens and abnormal are corrected by computer optics Computer Aided Design and optimization
Become, camera lens is realized full filed, high-resolution.System uses 420~900nm wavelength in design, ensures day and night confocal effect.
Brief description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 show the knot of specific embodiment of the invention middle high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system
Structure schematic diagram；
Fig. 2 show the distortion curve schematic diagram of optical system in the specific embodiment of the invention；
Fig. 3 show the optical transfer function curve synoptic diagram of optical system in the specific embodiment of the invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, detailed retouch is carried out to the technical solution in the embodiment of the present invention
State, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Join Fig. 1 shown in, high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system include along light incident direction according to
20 are organized after group 10 and lens set, imaging surface 40, before lens set after group 10 and lens set between group 20 before the lens set of secondary setting
Diaphragm 30 is provided with, 10 the first lens 11,12 and of the second lens for including setting gradually along light incident direction are organized before lens set
3rd lens 13, the first lens 11, the second lens 12 and the 3rd lens 13 be respectively curved month type negative lens, platycelous negative lens and
Convex flat type positive lens, group 20 includes the 4th lens 21,22 and of the 5th lens set gradually along light incident direction after lens set
6th lens 23, the 4th lens 21, the 5th lens 22 and the 6th lens 23 are respectively bent moon negative lens, biconvex positive lens and convex flat
Positive lens.
Further, by contemporary optics lens gluing technique, the 4th lens 21 and the 5th lens 22 are composed one group
Glued part lens.First lens 11 and the second lens 12 at intervals of 2.9mm, the second lens 12 and the 3rd lens 13 at intervals of
2.5mm, the 3rd lens 13 are with diaphragm 30 at intervals of 1.5mm, and diaphragm 30 is with glued part lens at intervals of 0.1mm, glued part
Lens and the 6th lens 23 are at intervals of 0.1mm.
Further, the first lens 11, the second lens 12, the 3rd lens 13, the 4th lens 21, the 5th lens 22 and the 6th
The radius of curvature R of lens 231And R2, light refractive index N, Abbe number VdAnd lens thickness D is full successively along light incident direction
Foot：
Joined using the distortion curve schematic diagram of above-mentioned optical system shown in Fig. 2；Using the optical delivery of above-mentioned optical system
Function curve schematic diagram is joined shown in Fig. 3.
In conclusion day and night confocal fish eye lens has 220 degree of visual perspectives, resolution ratio to high-resolution ultra-wide angle of the present invention
Reach 8 mega pixels, the performance of day and night, can be applied to the safety monitoring of ultra-large vision field, and particularly hotel, club etc. is big
The Room.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
The above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (3)
1. a kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system, it is characterised in that including along light incidence side
Group after group and lens set before to the lens set set gradually, is provided with diaphragm before the lens set after group and lens set between group,
Group includes the first lens, the second lens and the 3rd lens that are set gradually along light incident direction before the lens set, and described the
One lens, the second lens and the 3rd lens are respectively curved month type negative lens, platycelous negative lens and convex flat type positive lens, the mirror
Group includes the 4th lens, the 5th lens and the 6th lens that are set gradually along light incident direction after piece group, the 4th lens,
5th lens and the 6th lens are respectively bent moon negative lens, biconvex positive lens and convex flat positive lens,
First lens, the second lens, the 3rd lens, the 4th lens, the radius of curvature R of the 5th lens and the 6th lens1With
R2, light refractive index N, Abbe number VdAnd lens thickness D meets successively along light incident direction：
2. high-resolution ultra-wide angle according to claim 1 day and night confocal FISH EYE LENS OPTICS system, it is characterised in that：Institute
State the 4th lens and the 5th lens compose one group of gluing part lens.
3. high-resolution ultra-wide angle according to claim 2 day and night confocal FISH EYE LENS OPTICS system, it is characterised in that：Institute
State the first lens and the second lens at intervals of 2.9mm, second lens and the 3rd lens at intervals of 2.5mm, described
Three lens and diaphragm at intervals of 1.5mm, the diaphragm and glued part lens at intervals of 0.1mm, the gluing part lens with
6th lens separation is 0.1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510599941.6A CN105204142B (en) | 2015-09-18 | 2015-09-18 | A kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system |
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| CN201510599941.6A CN105204142B (en) | 2015-09-18 | 2015-09-18 | A kind of high-resolution ultra-wide angle day and night confocal FISH EYE LENS OPTICS system |
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| CN105204142B true CN105204142B (en) | 2018-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107894650B (en) * | 2017-11-29 | 2023-08-08 | 苏州莱能士光电科技股份有限公司 | High-resolution day-night confocal large-image-plane optical system |
| CN109375340B (en) * | 2018-09-20 | 2023-10-10 | 苏州莱能士光电科技股份有限公司 | 360-degree looking-around dead-angle-free optical imaging system |
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| JP2004177435A (en) * | 2002-11-22 | 2004-06-24 | Ricoh Co Ltd | Wide angle lens, camera and projection display device |
| CN101359087A (en) * | 2007-08-02 | 2009-02-04 | 鸿富锦精密工业（深圳）有限公司 | Wide-angle lens and vehicle apparatus using the wide-angle lens |
| CN202512297U (en) * | 2012-04-21 | 2012-10-31 | 张家港鹏博光电科技有限公司 | Projection optical system |
| CN103257436A (en) * | 2013-05-16 | 2013-08-21 | 中国科学院长春光学精密机械与物理研究所 | Long working distance microscopic optical system for vacuum chamber inner observation |
| CN205080306U (en) * | 2015-09-18 | 2016-03-09 | 苏州莱能士光电科技有限公司 | Confocal fisheye lens optical system of high resolution super wide angle day night |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7633688B2 (en) * | 2005-06-01 | 2009-12-15 | Olympus Imaging Corp. | Image forming optical system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004177435A (en) * | 2002-11-22 | 2004-06-24 | Ricoh Co Ltd | Wide angle lens, camera and projection display device |
| CN101359087A (en) * | 2007-08-02 | 2009-02-04 | 鸿富锦精密工业（深圳）有限公司 | Wide-angle lens and vehicle apparatus using the wide-angle lens |
| CN202512297U (en) * | 2012-04-21 | 2012-10-31 | 张家港鹏博光电科技有限公司 | Projection optical system |
| CN103257436A (en) * | 2013-05-16 | 2013-08-21 | 中国科学院长春光学精密机械与物理研究所 | Long working distance microscopic optical system for vacuum chamber inner observation |
| CN205080306U (en) * | 2015-09-18 | 2016-03-09 | 苏州莱能士光电科技有限公司 | Confocal fisheye lens optical system of high resolution super wide angle day night |
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Address after: Suzhou City, Jiangsu province 215600 Zhangjiagang Jinfeng Technology Park B01 building 3 floor Suzhou lightlens optical Polytron Technologies Inc Applicant after: Suzhou optical Polytron Technologies Inc Address before: Suzhou City, Jiangsu province 215600 Zhangjiagang Jinfeng Technology Park Building 3 floor B01 Suzhou lightlens Optical Technology Co. Ltd. Applicant before: Suzhou Lainengshi Photoelectric Technology Co.,Ltd. |
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