CN106918897A - A kind of compact ultra-wide angle day and night confocal opticses camera lens - Google Patents
A kind of compact ultra-wide angle day and night confocal opticses camera lens Download PDFInfo
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- CN106918897A CN106918897A CN201710288596.3A CN201710288596A CN106918897A CN 106918897 A CN106918897 A CN 106918897A CN 201710288596 A CN201710288596 A CN 201710288596A CN 106918897 A CN106918897 A CN 106918897A
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- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 239000011521 glass Substances 0.000 claims abstract description 21
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- 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
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- 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
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- 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
- G02B13/0075—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having an element with variable optical properties
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
Abstract
The invention provides a kind of compact ultra-wide angle day and night confocal opticses camera lens, belong to technical field of optical, it includes the first lens set gradually from object plane to image planes along optical axis, second lens, 3rd lens, 4th lens, 5th lens and sensitive chip, diaphragm is set between 3rd lens and the 4th lens, first lens and the 5th lens are glass spherical lens, second lens, 3rd lens and the 4th lens are plastic aspheric lenes, first lens, second lens, 3rd lens, the focal length of the 4th lens and the 5th lens is respectively negative, just, just, it is negative, just.The deficiency such as optical lens of the present invention can not only overcome that eyeglass number in this kind of optical lens is more, the resolution ratio under big visual field is unsatisfactory, can also reduce camera lens volume, while can reduce production cost again.
Description
Technical field
The invention belongs to technical field of optical, more particularly to a kind of compact ultra-wide angle day and night confocal opticses camera lens.
Background technology
With the development that science and technology is with rapid changepl. never-ending changes and improvements, use of the video monitoring with smart home in people live is growing day by day.
It is more or less in the big visual field optical lens used in monitoring and smart home, although ensure that the premise of big visual field
There is big volume, quality weight, infrared confocal effect is undesirable or resolution ratio is more low.In order that big visual field optics
Camera lens more accords with the demands of the market, usual emphasis improve optical lens some are not enough, although have some ultra-wide angle, infrared confocal
Optical lens is shown up prominently, but because the eyeglass number used in system is more so that the resolution ratio under big visual field is unsatisfactory.Together
When, also increase cost and volume, it is impossible to meet the expectation in market.
The patent of Publication No. CN104898258A discloses a kind of high/low temperature, infrared confocal, extra small distortion, ultra-wide angle light
System, it is characterised in that：Including set gradually the first eyeglass (1), the second eyeglass (2), the 3rd eyeglass (3), diaphragm (4),
4th eyeglass (5), the 5th eyeglass (6), the 6th eyeglass (7), the 7th eyeglass (8), optical filter (9) and sensitive chip (10), it is described
First eyeglass (1), the second eyeglass (2), the 3rd eyeglass (3), the 5th eyeglass (6), the 6th eyeglass (7), the 7th eyeglass (8) are plastics
Aspherical lens, the 4th eyeglass (5) is Glass aspheric eyeglass, the high/low temperature, infrared confocal, extra small distortion, ultra-wide angle
Optical system low cost, has corrected distortion, has fabulous image sharpness and color reducibility in visible light wave range, realizes as matter
In the uniformity of varying environment.The optical system number of lenses is more, and weight is big, it is impossible to meet the market demand, definition well
Need further raising.
The patent of Publication No. CN106054357A discloses a kind of ultra-wide angle low-distortion on-vehicle lens optical system, its
In, optical system be by the first lens L1 with negative power, the second lens L2 of negative power, positive light coke it is the 3rd saturating
Mirror L3, the 4th lens L4 of positive light coke, the 5th lens L5 and cutoff filter the L6 composition of positive light coke, along optical axis
Arranged from subject to the order of image plane side, different distance subject can be moved integrally by camera lens and realized at image planes
Blur-free imaging.First lens, the 4th lens and the 5th lens are glass aspheric lenses, and remaining is glass lens, this optical system
The system angle of visual field is big, the small, small volume that distorts, without TV distortion, in -20 DEG C ~ 85 DEG C scopes without temperature drift defocus phenomenon.In the optical system
Eyeglass used uses glass spheric glass or Glass aspheric eyeglass, improves cost, it is impossible to meet consumer's low cost
Demand.
The content of the invention
In order to overcome above-mentioned deficiency present in ultra-wide angle, infrared confocal opticses camera lens, the present invention to provide a kind of super wide
Angle, infrared confocal opticses camera lens, the optical lens can not only overcome that eyeglass number in this kind of optical lens is more, under big visual field point
Resolution is unsatisfactory to wait not enough, camera lens volume can also be reduced, while can reduce production cost again.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of compact ultra-wide angle day and night confocal opticses camera lens, including along optical axis set gradually from object plane to image planes it is first saturating
Mirror, the second lens, the 3rd lens, the 4th lens, the 5th lens and sensitive chip, set between the 3rd lens and the 4th lens
Diaphragm is put, first lens and the 5th lens are glass spherical lens, and second lens, the 3rd lens and the 4th lens are
Plastic aspheric lenes, the focal length of first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens is respectively
It is negative, positive, positive and negative, just.
Preferably, the object plane side of first lens is convex surface, and image planes side is concave surface；The object plane side of second lens is
Concave surface, image planes side is convex surface；3rd lens are biconvex lens；4th lens are biconcave lens；5th lens
It is biconvex lens.
Preferably, first lens are low dispersing lens；Second lens are dispersing lens high；3rd lens
It is low dispersing lens；4th lens are dispersing lens high；5th lens are ED lens.
Preferably, the aspherical face type of second lens, the 3rd lens and the 4th lens meets equation：
,
Wherein：C is the curvature corresponding to radius, and y is radial coordinate, and the unit of radial coordinate is identical with length of lens unit, and k is
Circular cone whose conic coefficient；
As k ＜ -1, the face shape curve of lens is hyperbola；
As k=-1, the face shape curve of lens is parabola；
As -1 ＜ k ＜ 0, the face shape curve of lens is ellipse；
As k=0, the face shape curve of lens is circle；
As k ＞ 0, the face shape curve of lens is oblate；
~The coefficient corresponding to each radial coordinate is represented respectively.
Preferably, optical filter and sensitive chip protective glass are set gradually between the 5th lens and sensitive chip.
Preferably, the size of the sensitive chip is 1/2.5 ", resolution ratio is 1,300,000 ~ 5,000,000 pixels.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention passes through above-mentioned technical proposal, there is provided a kind of ultra-wide angle, infrared confocal opticses camera lens, the optical lens not only may be used
The deficiency such as resolution ratio to overcome that eyeglass number in this kind of optical lens is more, under big visual field is unsatisfactory, can also reduce lens body
Product, while production cost can be reduced again.In optical lens of the present invention, the first lens are the low dispersion glass of the focal power for having negative
Glass lens, can be not only the light of the camera lens big angle of visual field of importing, can also effectively control axial chromatic aberration；Second lens are bent
The less aspherical positive lens of rate, not only can also make the resolving power of field of view edge with the coma produced by calibration edge visual field
It is greatly improved；First lens and the cooperation of the second lens efficiently solve the various aberration equalization problems such as the aberration of system；
3rd lens are hyp aspherical using two sides, and the circular cone whose conic coefficient on its two sides is satisfied by k ＜ -1, and this is caused
Camera lens is not only able to the curvature of field of correction system well, can also improve the resolution ratio at image plane center and edge；4th lens are adopted
With dispersive plastic non-spherical lens high, and interval between the 3rd lens and the 4th lens is smaller, is fitted close, and serves gluing
Eyeglass corrects the effect of aberration；5th lens then use glass spherical lens.The present invention by selecting suitable eyeglass material, and
Focal power is reasonably distributed, while lens shape of scientifically arranging in pairs or groups, makes camera lens reach Jiao under high temperature or low temperature environment with this
Apart from minimum purpose, so as to efficiently solve, the resolution ratio caused due to temperature change is declined point drift or focus drifting is asked
Topic.
The angle of visual field of ultra-wide angle of the present invention day and night confocal opticses camera lens can reach more than 150 °, while also ensuring high-resolution
Rate.Ultra-wide angle of the present invention day and night confocal opticses camera lens it is achievable day and night confocal, be capable of achieving to monitor for 24 hours.Ultra-wide angle of the present invention
Day and night the use Design of Temperature Compensation of confocal opticses camera lens, can work, not defocus in the environment of -40 DEG C ~+80 DEG C.This hair
Day and night confocal opticses camera lens in the form of glass modeling combination, not only ensure that the performance of optical system to bright ultra-wide angle, and can be with
Reduces cost, simplifies structure, mitigates weight, also helps production in enormous quantities, accords with the demands of the market.Ultra-wide angle of the present invention is day and night common
While using ED material, also the position to diaphragm is optimized burnt optical lens, and diaphragm is arranged on into the 3rd
Between lens and the 4th lens, picture photo matter is improved.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1：The structural representation of the compact ultra-wide angle of the present invention day and night confocal opticses camera lens；
Wherein, the lens of 1- first, the lens of 2- second, the lens of 3- the 3rd, the lens of 4- the 4th, the lens of 5- the 5th, 6- sensitive chips, 7-
Diaphragm, 8- optical filters, 9- sensitive chip protective glass.
Specific embodiment
For a better understanding of the present invention, present disclosure, but this hair are further fairly set out with reference to embodiment
Bright protection content is not limited solely to the following examples.In the following description, give a large amount of concrete details so as to
More thorough understanding of the invention is provided.It will be apparent, however, to one skilled in the art that the present invention can be with
It is carried out without one or more of these details.
Refering to Fig. 1, a kind of compact ultra-wide angle day and night confocal opticses camera lens is made up of 5 pieces of glass and plastic lens mixing.
Day and night confocal opticses camera lens includes what is set gradually from object plane to image planes along optical axis to the compact ultra-wide angle of the present invention
First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and sensitive chip 6, the 3rd lens and the 4th saturating
Diaphragm 7 is set, and the first lens and the 5th lens are spherical lens, material is glass between mirror, the second lens, the 3rd lens and the
Four lens are non-spherical lens, and material is plastic cement.
The object plane side of the first lens 1 is convex surface in optical lens of the present invention, and image planes side is concave surface, and focal length is negative；Second is saturating
The object plane side of mirror 2 is concave surface, and image planes side is convex surface, and focal length is for just；3rd lens 3 are biconvex lens, and focal length is for just；4th lens
4 is biconcave lens, and focal length is negative；5th lens 5 are biconvex lens, and focal length is for just.
First lens 1 are low dispersing lens in optical lens of the present invention；Second lens 2 are dispersing lens high；3rd lens 3
It is low dispersing lens；4th lens 4 are dispersing lens high；5th lens 5 are ED lens.
The aspherical face type of the second lens, the 3rd lens and the 4th lens meets equation in optical lens of the present invention：
,
Wherein：C is the curvature corresponding to radius, and y is radial coordinate, and the unit of radial coordinate is identical with length of lens unit, and k is
Circular cone whose conic coefficient；
As k ＜ -1, the face shape curve of lens is hyperbola；
As k=-1, the face shape curve of lens is parabola；
As -1 ＜ k ＜ 0, the face shape curve of lens is ellipse；
As k=0, the face shape curve of lens is circle；
As k ＞ 0, the face shape curve of lens is oblate；
~The coefficient corresponding to each radial coordinate is represented respectively.
Lens former and later two aspherical geomeries can accurately be set by above parameter.
In this optical lens, the first lens 1 are the low dispersion lens of the focal power for having negative, therefore, not only may be used
Think that camera lens imports the light of the big angle of visual field, can also effectively control axial chromatic aberration.Simultaneously as glass lens compare plastics
For eyeglass, the features such as with high temperature resistant, corrosion-resistant, damage resistant, such that it is able to protect camera lens well, be camera lens assembling,
Under the factors such as transport, high temperature, low temperature, high light, dust storm, it is hardly damaged, so as to reach the effect for increasing the service life.
First lens 1 and the second lens 2 use meniscus shaped lens, and the second lens 2 be curvature it is less it is aspherical just
Lens, wherein the first curvature radius towards object plane are -4 ~ -7mm, the second curvature radius towards image planes are -2 ~ -5m.
This not only can also make the resolving power of field of view edge be greatly improved with the coma produced by calibration edge visual field.
Meanwhile, the second lens 2, towards the circular cone whose conic coefficient k ＞ 0 in the first face of object plane, are oblate curved surface, and
It is recessed to image planes, and the second lens 2 are towards circular cone whose conic coefficient k ＜ -1 in the second face of image planes, are hyperbola curved surface, and
It is convex to image planes, the angle of visual field of optical system so can be equally improved, the astigmatism of system can also be reduced.
First lens 1 are spherical lens, and the second lens 2 are non-spherical lens, and both use cooperatively, and efficiently solve system
The various aberration equalization problems such as aberration.
In order to reduce angle change when light is reflected between each lens, reduce the distortion of imaging, therefore in structure
Reduce the distance between the first lens 1 and the second lens 2 as much as possible, while it is saturating to increase the second lens 2 and the 3rd as much as possible
The distance between mirror 3.
In order to realize high-resolution, the 3rd lens 3 are hyp aspherical using two sides, and the circular cone on its two sides is secondary
Curve coefficients are satisfied by k ＜ -1, and this causes that camera lens is not only able to the curvature of field of good correction system, can also improve image plane center
With the resolution ratio at edge.
Second lens 2, the 3rd lens 3 and the 4th lens 4 are plastic aspheric lens, not only can further reduce light
System under the conditions of infrared with the focus deviation that exists under visible light conditions, lift infrared resolving power, can also be by three
The collocation of person face type, corrects the astigmatism of system well, improves the resolution ratio of system.
Infrared completely confocal in order to realize, the 3rd lens 3 use low dispersive plastic non-spherical lens, the 4th lens 4 to use
Dispersive plastic non-spherical lens high, and interval between two eyeglasses is smaller, is fitted close, and serves cemented doublet correction aberration
Effect.
In addition, chromatic dispersion material high is used cooperatively with low chromatic dispersion material, two grades caused by infrared light also can be well corrected
Spectrum, optimize axial chromatic aberration so that camera lens under the conditions of white light and infrared light, can be obtained in image planes clearly as, from
And meet infrared confocal requirement.
In order that camera lens is in high temperature or low temperature, the requirement of low temperature shift is reached, in design, the first lens 1 and the 5th
Lens 5 use glass spherical lens, and the second lens 2, the 3rd lens 3 and the 4th lens 4 use plastic aspheric lens.In addition,
Suitable eyeglass material is selected, and reasonably distributes focal power, while lens shape of scientifically arranging in pairs or groups, camera lens is reached with this
Focus drifting under high temperature or low temperature environment apart from minimum purpose, so as to efficiently solve due to the resolution that temperature change causes
Rate declines or focus drifting problem.
The requirement confocal under high temperature and cryogenic conditions in order to realize camera lens, the second lens 2 are using aspherical falcate just
Lens, and focal power is smaller.Meanwhile, and other several power of lens compensate, and are eliminated with this due to high temperature or low
The expansion or shrinkage of plastic aspherical element under the conditions of temperature and the focal shift that causes so that camera lens at different temperatures, still can be with
Blur-free imaging.
Wherein：The focal length of the first lens 1 is -4 ~ -6mm；The focal length of the second lens 2 is 12 ~ 14mm；Jiao of the 3rd lens 3
Away from being 7 ~ 9mm；The focal length of the 4th lens 4 is -4 ~ -6mm；The focal length of the 5th lens 5 is 4 ~ 6mm.Meanwhile, the second lens the 2, the 3rd
The combined focal length of the lens 4 of lens 3 and the 4th is 22 ~ 24mm.
In addition, the optical lens is designed using wide spectrum, chromatic aberration correction is carried out in 400nm ~ 700nm spectral regions, no
But make image color beautiful and sharp keen, also with good color reducibility, the effect of imaging is directly observed closer to human eye
Effect.Meanwhile, the near infrared spectrum aberration of 800nm ~ 940nm has been also corrected for, realize infrared confocal effect.
By object plane to image planes, sensitive chip 6 is provided with after the 5th lens 5, the resolution ratio of the sensitive chip can meet 130
The different requirements of ten thousand ~ 5,000,000 pixels.Meanwhile, between the 5th lens 5 and sensitive chip 6, optical filter 8 is also equipped with, filtered with it
Fall the veiling glare outside required wave band, so as to improve as matter.Additionally, in design, having taken into full account the institute of sensitive chip protective glass 9
The aberration of introducing, and corrected in the design process, so as to improve the quality of camera lens.
Below, an angle of visual field is enumerated for 150 °, and resolution ratio is 5,000,000 pixels, within mechanical overall length is 22.5mm, can
The actual design embodiment of normal work in the environment of -40 DEG C ~+80 DEG C：
The system data of table 1
| Number in face | Noodles type | Radius | Thickness | Material | k |
| OBJ | Object plane | Infinity | Infinity | 0 | |
| 1 | Sphere | 28.36 | 0.7 | H-LAF52 | 0 |
| 2 | Sphere | 4.28 | 3.106 | 0 | |
| 3 | It is aspherical | -5.21 | 3.614 | PC | 1.127 |
| 4 | It is aspherical | -3.48 | 3.068 | -1.919 | |
| 5 | It is aspherical | 17.88 | 1.589 | F52R | -53.779 |
| 6 | It is aspherical | -4.93 | 0.224 | -1.555 | |
| STO | Diaphragm | Infinity | 0.435 | 0 | |
| 8 | It is aspherical | -6.29 | 0.578 | PC | -20.317 |
| 9 | It is aspherical | 5.74 | 0.033 | 6.163 | |
| 10 | Sphere | 6.718 | 2.355 | H-QK3L | 0 |
| 11 | Sphere | -4.135 | 1.5 | 0 | |
| 12 | Sphere | Infinity | 0.85 | H-K9L | 0 |
| 13 | Sphere | Infinity | 4.223 | 0 | |
| IMA | Image planes | Infinity | 0 |
The asphericity coefficient of table 2~
| Number in face | |||||||
| 3 | 0 | 1.054e-03 | 1.520e-04 | -2.752e-05 | 3.424e-06 | -1.680e-07 | 0 |
| 4 | 0 | 4.304e-04 | -1.040e-04 | 6.305e-06 | -3.501e-07 | -1.396e-09 | 0 |
| 5 | 0 | 1.100e-02 | 2.149e-04 | -5.057e-05 | 2.119e-05 | 5.047e-08 | 0 |
| 6 | 0 | 2.100e-02 | -1.524e-03 | 1.234e-03 | 7.450e-05 | 3.276e-06 | 0 |
| 8 | 0 | 1.700e-02 | -7.796e-03 | 1.260e-03 | 3.150e-05 | -1.950e-05 | 0 |
| 9 | 0 | 2.200e-02 | -9.860e-03 | 1.926e-03 | -1.575e-04 | -4.309e-06 | 0 |
In above-mentioned Tables 1 and 2：
What face numbering 1 and 2 was represented respectively is first face and the second face of the first lens 1, and the material of the first lens 1 is H-LAF52；
What face numbering 3 and 4 was represented respectively is first face and the second face of the second lens 2, and the material of the second lens 2 is PC；
What face numbering 5 and 6 was represented respectively is first face and the second face of the 3rd lens 3, and the material of the 3rd lens 3 is F52R；
What face numbering 8 and 9 was represented respectively is first face and the second face of the 4th lens 4, and the material of the 4th lens 4 is PC；
What face numbering 10 and 11 was represented respectively is first face and the second face of the 5th lens 5, and the material of the 5th lens 5 is H-
QK3L；
What face numbering 12 and 13 was represented respectively is first face and the second face of optical filter 8, and the substrate material of optical filter 8 is H-K9L.
Wherein, above-mentioned first face refers to the face towards object plane side, and the second face refers to the face towards image planes.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover in the middle of scope of the presently claimed invention.
Claims (6)
1. a kind of compact ultra-wide angle day and night confocal opticses camera lens, it is characterised in that：Including along optical axis from object plane to image planes successively
The first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the sensitive chip for setting, the 3rd lens and the
Diaphragm is set between four lens, and first lens and the 5th lens are glass spherical lens, second lens, the 3rd lens
It is plastic aspheric lenes, first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens with the 4th lens
Focal length it is respectively negative, positive, positive and negative, just.
2. compact ultra-wide angle according to claim 1 day and night confocal opticses camera lens, it is characterised in that：First lens
Object plane side be convex surface, image planes side be concave surface；The object plane side of second lens is concave surface, and image planes side is convex surface；Described 3rd
Lens are biconvex lens；4th lens are biconcave lens；5th lens are biconvex lens.
3. compact ultra-wide angle according to claim 2 day and night confocal opticses camera lens, it is characterised in that：First lens
It is low dispersing lens；Second lens are dispersing lens high；3rd lens are low dispersing lens；4th lens are
Dispersing lens high；5th lens are ED lens.
4. the day and night confocal opticses camera lens of the compact ultra-wide angle according to any one of claim 1 ~ 3, it is characterised in that：Institute
The aspherical face type for stating the second lens, the 3rd lens and the 4th lens meets equation：
,
Wherein：C is the curvature corresponding to radius, and y is radial coordinate, and the unit of radial coordinate is identical with length of lens unit, and k is
Circular cone whose conic coefficient；
As k ＜ -1, the face shape curve of lens is hyperbola；
As k=-1, the face shape curve of lens is parabola；
As -1 ＜ k ＜ 0, the face shape curve of lens is ellipse；
As k=0, the face shape curve of lens is circle；
As k ＞ 0, the face shape curve of lens is oblate；
~The coefficient corresponding to each radial coordinate is represented respectively.
5. compact ultra-wide angle according to claim 1 day and night confocal opticses camera lens, it is characterised in that：5th lens
Optical filter and sensitive chip protective glass are set gradually between sensitive chip.
6. compact ultra-wide angle according to claim 1 day and night confocal opticses camera lens, it is characterised in that：The sensitive chip
Size be 1/2.5 ", resolution ratio be 1,300,000 ~ 5,000,000 pixels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288596.3A CN106918897B (en) | 2017-04-27 | 2017-04-27 | Compact ultra-wide-angle day and night confocal optical lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288596.3A CN106918897B (en) | 2017-04-27 | 2017-04-27 | Compact ultra-wide-angle day and night confocal optical lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106918897A true CN106918897A (en) | 2017-07-04 |
| CN106918897B CN106918897B (en) | 2022-07-15 |
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| CN201710288596.3A Active CN106918897B (en) | 2017-04-27 | 2017-04-27 | Compact ultra-wide-angle day and night confocal optical lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109061839A (en) * | 2018-09-30 | 2018-12-21 | 河南翊轩光电科技有限公司 | A kind of superstar lighting level high definition optical lens |
| TWI684804B (en) * | 2018-05-04 | 2020-02-11 | 先進光電科技股份有限公司 | Optical Image Capturing System |
| CN114935811A (en) * | 2022-05-06 | 2022-08-23 | 安徽光智科技有限公司 | Fisheye type infrared athermal lens |
| CN109061839B (en) * | 2018-09-30 | 2024-04-30 | 河南翊轩光电科技有限公司 | Super star light level high definition optical lens |
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| CN105242376A (en) * | 2015-10-28 | 2016-01-13 | 东莞市宇瞳光学科技有限公司 | Imaging lens unit with temperature compensation function |
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| CN106526811A (en) * | 2016-12-27 | 2017-03-22 | 东莞市宇瞳光学科技股份有限公司 | High-resolution super-wide-angle fixed-focus lens |
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| CN102213816A (en) * | 2010-04-02 | 2011-10-12 | 大立光电股份有限公司 | Optical photographic lens |
| CN105425369A (en) * | 2015-08-10 | 2016-03-23 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN105242376A (en) * | 2015-10-28 | 2016-01-13 | 东莞市宇瞳光学科技有限公司 | Imaging lens unit with temperature compensation function |
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Cited By (4)
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| TWI684804B (en) * | 2018-05-04 | 2020-02-11 | 先進光電科技股份有限公司 | Optical Image Capturing System |
| CN109061839A (en) * | 2018-09-30 | 2018-12-21 | 河南翊轩光电科技有限公司 | A kind of superstar lighting level high definition optical lens |
| CN109061839B (en) * | 2018-09-30 | 2024-04-30 | 河南翊轩光电科技有限公司 | Super star light level high definition optical lens |
| CN114935811A (en) * | 2022-05-06 | 2022-08-23 | 安徽光智科技有限公司 | Fisheye type infrared athermal lens |
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| CN106918897B (en) | 2022-07-15 |
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