CN106932888A - A kind of 360 ° of panorama fish eye lenses - Google Patents
A kind of 360 ° of panorama fish eye lenses Download PDFInfo
- Publication number
- CN106932888A CN106932888A CN201611210119.7A CN201611210119A CN106932888A CN 106932888 A CN106932888 A CN 106932888A CN 201611210119 A CN201611210119 A CN 201611210119A CN 106932888 A CN106932888 A CN 106932888A
- Authority
- CN
- China
- Prior art keywords
- lens
- focal length
- fish eye
- eye lenses
- towards
- 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.)
- Granted
Links
Classifications
-
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
A kind of 360 ° of panorama fish eye lenses, include the first lens, the second lens of negative focal length, the 3rd lens of negative focal length, the 4th lens of positive focal length, the 5th lens of positive focal length, the 6th lens of positive focal length, the 7th lens of positive focal length, the 8th lens and the 9th lens of positive focal length of negative focal length of negative focal length successively from the object side to image side, aperture diaphragm is located between the 5th lens and the 6th lens；Wherein, first lens and the second lens are respectively convex surface towards the side of object plane, and the first lens and the second lens are respectively concave surface towards the side of image planes, the 3rd lens towards object plane side be concave surface, 3rd lens are convex surface towards image planes side, and the 9th lens are biconvex eyeglass.The focal length of first lens is f1, and the focal length of the 3rd lens is f3, and it meets relational expression：0.2<f1/f3<1.5.The present invention has spatial resolution higher and uniform, and edge image compression is slight, can be good at the characteristics of reducing visions of reality.
Description
Technical field
The present invention relates to optical system and device design field, more particularly to a kind of 360 ° of panorama fish eye lenses.
Background technology
As people are to the more and more of the demand of information, fish eye lens possesses bigger market than wide-angle lens, utilizes
Fish eye lens construction imaging system can stare system obtain hemisphere even hemispherical spatial domain scene image, realize entirely without
The real time information of blind area is extracted.
At present, the fish eye lens species of in the market becomes more diverse, but the big multi-performance index of these fish eye lenses is low, its
The angle of visual field is less than normal, and pattern distortion amount is larger, and space is uneven compared with resolution ratio and edge angular resolution is too low, causes picture edge image
Quality compression is serious, and captured picture is big with visions of reality picture difference, or even the image at the edge of picture cannot be reduced, because
This, such camera lens seriously causes edge resolving power low due to edge image compression, it is impossible to which satisfaction is currently needed for.Such as Patent No.
US7869141B2 and US9182871B2 United States Patent (USP)s, wherein disclosed camera lens has the angle of visual field less than 200 °, edge image
Compression is serious, the low shortcoming of edge resolving power.
The content of the invention
It is higher and uniform that the purpose of the present invention aims to provide a kind of spatial resolution, and edge image compression is slight, can be very
360 ° of panorama fish eye lenses of good reduction visions of reality, to overcome weak point of the prior art.
A kind of 360 ° of panorama fish eye lenses designed by this purpose, its architectural feature is to include bearing from the object side to image side successively
First lens of focal length, the second lens of negative focal length, the 3rd lens of negative focal length, the 4th lens of positive focal length, the of positive focal length
Five lens, the 6th lens of positive focal length, the 7th lens of positive focal length, the 8th lens and the 9th lens of positive focal length of negative focal length,
Aperture diaphragm is located between the 5th lens and the 6th lens；Wherein, the first lens and the second lens are distinguished towards the side of object plane
Be convex surface, the first lens and the second lens are respectively concave surface towards the side of image planes, the 3rd lens towards object plane side be concave surface,
3rd lens are convex surface towards image planes side, and the 9th lens are biconvex eyeglass；
It is first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th saturating
Mirror and the 9th lens and aperture diaphragm, collectively form optical system.
The focal length of first lens is f1, and the focal length of the 3rd lens is f3, and it meets relational expression：0.2<f1/f3<1.5.
The technical scheme causes the super large visual angle that the present invention is recorded with 240 ° and 360 ° of the full visual angle of level panorama, corrects fish eye lens
Vertical axial aberration, reduce f-Theta distortion, improve space angular resolution, compression of images is slight.
The focal length of second lens is f2, and the focal length of the 3rd lens is f3, and it meets relational expression：0.1<f2/f3<0.5.
The technical scheme causes the super large visual angle that the present invention is recorded with 240 ° and 360 ° of the full visual angle of level panorama, corrects fish eye lens
Vertical axial aberration, reduce f-Theta distortion, improve space angular resolution, compression of images is slight.
The focal length of the 7th lens is f7, and the focal length of the 8th lens is f8, and it meets relational expression：-1.6<f7/f8<-
1.25.The technical scheme corrects fish-eye vertical axial aberration, reduces f-Theta distortion, Space Angle high resolution, image
Compression is slight.
The focal length of the 7th lens is f7, and the focal length of the 9th lens is f9, and it meets relational expression：0.3<f7/f9<0.6.
The technical scheme corrects fish-eye vertical axial aberration, reduces f-Theta distortion, Space Angle high resolution, compression of images
Slightly.
The space angular resolution of the optical system is am, and it meets relational expression：3<am<7.5.The technical scheme causes side
Edge angular resolution and center angular resolution maintain an equal level, and edge image compression is slight.
The focal length of the optical system is f, and the optics overall length of optical system is TTL, and it meets relational expression：f/TTL<0.1.
4th lens are biconvex lens；5th lens are convex surface towards object plane side, and the 5th lens are towards picture
Face side is concave surface；6th lens towards object plane side be convex surface, the 6th lens towards image planes side be concave surface；Described
Seven lens are convex surface towards object plane side and towards image planes side；8th lens are towards object plane side and towards image planes one
Side is concave surface.
First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 7th lens, the 8th lens are equal
It is glass spheric glass, the 6th eyeglass is Glass aspheric eyeglass, and the 9th lens are biconvex Glass aspheric eyeglass.
The thing side of the 6th lens and image side surface are circular aspheric face type, the thing side and image side of the 9th lens
Face is circular aspheric face type.
7th lens and the 8th lens are balsaming lens, advantageously reduce aberration.
The refractive index and Abbe number of first lens, the second lens, the 7th lens and the 8th lens be respectively n1, n2,
N7, n8 and v1, v2, v7, v8, it meets relational expression：
1.2<n8-v8/30<1.4,0.4<n1-v1/40<1.5,
0.4<n2-v2/40<1.5,0.4<n7-v7/40<1.5.
The technical scheme causes that product has preferable environment resistant temperature change capabilities.
In sum, the present invention uses nine slice structures, while using spheric glass and aspherical lens mix and match
Mode；Remote structure is taken the photograph using counter, the first lens, the second lens, the 3rd lens use diverging meniscus lens so that fish-eye f-
Theta distortional strain energies reach 2% small distortion numerical value, and edge angular resolution maintains an equal level with center angular resolution, and then causes whole mirror
Head compression of images is slight, can be good at reducing visions of reality, and resolving power is substantially improved, it is ensured that the acutance that optical system has had
And stereovision
The first lens, the second lens in the present invention, the 3rd lens use diverging meniscus lens, and flake mirror is corrected well
The vertical axial aberration of head, is mainly used in reducing f-Theta distortion so that edge angular resolution maintains an equal level with center angular resolution, and then
Make whole lens image compression slight, can be good at reducing visions of reality, resolving power is substantially improved, it is ensured that the system has
Acutance and stereovision.Meanwhile, use a balsaming lens, the 6th lens and the 9th lens to use aspherical in group lens afterwards,
And the 6th lens near aperture diaphragm, correct fish-eye diaphragm aberration well using aspherical advantage so that this
The super large visual angle that invention is recorded with 240 ° and 360 ° of the full visual angle of level panorama, while resolving power is substantially improved so that whole light
System can reach the high-resolution of 16,000,000 pixels.
The position that the present invention passes through reasonably combined different thermal characteristics material, reasonable arrangement spheric glass and aspherical lens
Put, make the environment resistant temperature change capabilities that whole optical system has had, solve the problems, such as camera lens temperature focus drift about, compared with
Image analysis ability high can be kept within the scope of big temperature, product competitiveness is improve, the use occasion of product is increased.
The present invention rationally sets Jiao of each lens using the arrangement of the distribution of rational focal power, sphere and aspherical lens
Away from and tolerance distributing equilibrium, whole optical system has preferable environment resistant temperature change capabilities, reduces structure tolerance sensitive
Degree problem；And whole optical system has the super large visual angles that 360 ° of panoramas are recorded, f-Theta distortion is low, space angular resolution compared with
Height, and then cause that whole lens image compression is slight, can be good at reducing visions of reality, while resolving power is substantially improved, make
Obtaining whole system can reach the high-resolution of 16,000,000 pixels, it is ensured that the optical system has preferable acutance and stereovision.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the analysis diagram of first embodiment.
Fig. 3 is+20 DEG C of defocusing curve figures of normal temperature of first embodiment.
Fig. 4 is the point range figure of first embodiment.
Fig. 5 is the curvature of field distortion figure of first embodiment.
Fig. 6 is -40 DEG C of defocusing curve figures of low temperature of first embodiment.
Fig. 7 is+80 DEG C of defocusing curve figures of high temperature of first embodiment.
Fig. 8 is the analysis diagram of second embodiment.
Fig. 9 is+20 DEG C of defocusing curve figures of normal temperature of second embodiment.
Figure 10 is the point range figure of second embodiment.
Figure 11 is the curvature of field distortion figure of second embodiment.
Figure 12 is+80 DEG C of defocusing curve figures of high temperature of second embodiment.
Figure 13 is -40 DEG C of defocusing curve figures of low temperature of second embodiment.
Figure 14 is the analysis diagram of 3rd embodiment.
Figure 15 is+20 DEG C of defocusing curve figures of normal temperature of 3rd embodiment.
Figure 16 is the point range figure of 3rd embodiment.
Figure 17 is the curvature of field distortion figure of 3rd embodiment.
Figure 18 is -40 DEG C of defocusing curve figures of low temperature of 3rd embodiment.
Figure 19 is+80 DEG C of defocusing curve figures of high temperature of 3rd embodiment.
Figure 20 is the spatial resolution of first embodiment.
Figure 21 is the spatial resolution of second embodiment.
Figure 22 is the spatial resolution of 3rd embodiment.
In figure：L1 is the first lens, and L2 is the second lens, and L3 is the 3rd lens, and L4 is the 4th lens, and L5 is the 5th saturating
Mirror, L6 is the 6th lens, and L7 is the 7th lens, and L8 is the 8th lens, and L9 is the 9th lens.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
First embodiment
Referring to Fig. 1-Fig. 7 and Figure 20, this 360 ° of panorama fish eye lenses include the first of negative focal length successively from the object side to image side
Lens L1, the second lens L2 of negative focal length, the 3rd lens L3 of negative focal length, the 4th lens L4, the 5th of positive focal length the of positive focal length
The 9th of lens L5, the 6th lens L6 of positive focal length, the 7th lens L7 of positive focal length, the 8th lens L8 of negative focal length and positive focal length
Lens L9, aperture diaphragm is located between the 5th lens L5 and the 6th lens L6；Wherein, the first lens L1 and the second lens L2 directions
The side of object plane is respectively convex surface, and the first lens L1 and the second lens L2 are respectively concave surface, the 3rd lens towards the side of image planes
L3 is concave surface towards object plane side, and the 3rd lens L3 is convex surface towards image planes side, and nine lens L9 are biconvex eyeglass.
First lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5, the 6th lens L6,
Seven lens L7, the 8th lens L8 and the 9th lens L9 and aperture diaphragm, collectively form optical system.
First lens L1 and the second lens L2 towards thing side one side be convex surface, the first lens L1 and the second lens L2 directions
The one side of image side is concave surface.3rd lens L3 is concave surface towards the one side of thing side, and the 3rd lens L3 is convex towards the one side of image side
Face.
4th lens L4 is biconvex lens；The 5th lens L5 towards object plane side be convex surface, the 5th lens L5 directions
Image planes side is concave surface；The 6th lens L6 towards object plane side be convex surface, the 6th lens L6 towards image planes side be concave surface；
The 7th lens L7 is convex surface towards object plane side and towards image planes side；The 8th lens L8 towards object plane side and
Concave surface is towards image planes side.
Faces of the 9th lens L9 towards thing side and towards image side is to be convex surface.
The focal length of the first lens L1 is f1, and the focal length of the 3rd lens L3 is f3, and it meets relational expression：0.2<f1/f3<
1.5。
The focal length of the second lens L2 is f2, and the focal length of the 3rd lens L3 is f3, and it meets relational expression：0.1<f2/f3<
0.5。
The focal length of the 7th lens L7 is f7, and the focal length of the 8th lens L8 is f8, and it meets relational expression：-1.6<f7/f8
<-1.25。
The focal length of the 7th lens L7 is f7, and the focal length of the 9th lens L9 is f9, and it meets relational expression：0.3<f7/f9<
0.6。
The space angular resolution of the optical system is am, and it meets relational expression：3<am<7.5.
The focal length of the optical system is f, and the optics overall length of optical system is TTL, and it meets relational expression：f/TTL<0.1.
The first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5, the 7th lens
L7, the 8th lens L8 are glass spheric glass, and the 6th eyeglass L6 is Glass aspheric eyeglass, and the 9th lens L9 is biconvex
Glass aspheric eyeglass.
The thing side S11 and image side surface S12 of the 6th lens L6 are circular aspheric face type, the thing of the 9th lens L9
Side S16 and image side surface S17 are circular aspheric face type.
The 7th lens L7 and the 8th lens L8 is balsaming lens.
The first lens L1, the second lens L2, the refractive index of the 7th lens L7 and the 8th lens L8 and Abbe number difference
It is n1, n2, n7, n8 and v1, v2, v7, v8, it meets relational expression：
1.2<n8-v8/30<1.4,0.4<n1-v1/40<1.5,
0.4<n2-v2/40<1.5,0.4<n7-v7/40<1.5.
The focal length of the optical system is f, and the optics overall length of optical system is TTL, the Space Angle point of the optical system
Resolution is am, and am is the quantity of chip pixel in image planes magnitude range shared by every degree angle of visual field.Wherein, the light of the optical system
It refers to distance of first the first of the eyeglass face of optical system to image planes to learn overall length.
When working substance is away from WD=Infinity, total focal length f=1.05mm, aperture F#=2.47, the angle of visual field FOV of full filed
=240 °, during camera lens overall length TTL=23.2mm.
In following each table, n is refractive index, and R is radius of curvature, and D is to be spaced between lens thickness and eyeglass, and TTL is that camera lens is total
Long, f is lens focus, and F# refers to aperture, and K, A, B, C, D, E are asphericity coefficient.
MTF when Fig. 2 to Fig. 7 and Figure 20 are followed successively by working substance away from WD=Infinity ,+20 DEG C of defocusing curve figures of normal temperature,
Point range figure, curvature of field distortion figure, -40 DEG C of defocusing curve figures of low temperature, 80 DEG C of defocusing curve figures of high temperature and space angular resolution figure, from figure
In as can be seen that 360 ° of panorama fish eye lenses being provided of first embodiment of the invention have above-mentioned low f-Theta distortion, edge
Angular resolution maintains an equal level with center angular resolution, the advantage such as ultra-large vision field angle, strong resisting temperature changing capability.
S1 is the preceding surface of the first lens L1, and S2 is the rear surface of the first lens L1, and S3 is the preceding surface of the second lens L2,
S4 is the rear surface of the second lens L2, and S5 is the preceding surface of the 3rd lens L3, and S6 is the rear surface of the 3rd lens L3, and S7 is the 3rd
The preceding surface of lens L4, S8 is the rear surface of the 4th lens L4, and S9 is the preceding surface of the 5th lens L5, and S10 is the 5th lens L5
Rear surface, S11 is the preceding surface of the 6th lens L6, and S12 is the rear surface of the 6th lens L6, before S13 is the 7th lens L7
Surface, S14 is the cemented surface of the 7th lens L7 and the 8th lens L8, and S15 is the rear surface of the 8th lens L8, and S16 is the 9th saturating
The preceding surface of mirror L9, S17 is the rear surface of the 9th lens L9.
Second embodiment
Work as WD=Infinity, f=1.22mm, F#=2.45, FOV=240 °, during TTL=20mm,
In upper table, " n " is refractive index, and " R " is radius of curvature, and D is to be spaced between lens thickness and eyeglass, and TTL is that camera lens is total
Long, f is lens focus, and FOV represents the angle of visual field of full filed, and F# refers to aperture, and K, A, B, C, D, E are asphericity coefficient.
MTF, normal temperature defocusing curve, point range figure when Fig. 8 to Figure 13 and Figure 21 are followed successively by working substance away from WD=Infinity,
Curvature of field distortion figure, -40 DEG C of defocusing curve figures of low temperature, 80 DEG C of defocusing curve figures of high temperature and Space Angle resolution chart, can from figure
To find out, 360 ° of panorama fish eye lenses that second embodiment of the invention is provided have above-mentioned low f-Theta distortion, edge angle point
Resolution and center angular resolution maintain an equal level, ultra-large vision field angle, the advantage such as strong resisting temperature changing capability.
First embodiment is seen in remaining not described part, repeats no more.
3rd embodiment
Work as WD=Infinity, f=1.12mm, F#=2.35, FOV=240 °, during TTL=23mm,
In upper table, " n " is refractive index, and " R " is radius of curvature, and D is to be spaced between lens thickness and eyeglass, and TTL is that camera lens is total
Long, f is lens focus, and FOV represents the angle of visual field of full filed, and F# refers to aperture, and K, A, B, C, D, E are asphericity coefficient.
MTF, normal temperature defocusing curve figure when Figure 14 to Figure 19 and Figure 22 are followed successively by working substance away from WD=Infinity, point range
Figure, curvature of field distortion figure, -40 DEG C of defocusing curve figures of low temperature, 80 DEG C of defocusing curve figures of high temperature and Space Angle resolution chart, from figure
As can be seen that 360 ° of panorama fish eye lenses that third embodiment of the invention is provided have above-mentioned low f-Theta distortion, edge angle
Resolution ratio and center angular resolution maintain an equal level, ultra-large vision field angle, the advantage such as strong resisting temperature changing capability.
Asphericity coefficient used in it uses and formula is calculated as below：
In formula, r is that Z is rise of this along optical axis direction, and c is the table a little to the distance of optical axis on optical surface
The curvature in face, k is the quadratic surface constant on the surface, and 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 of lens
Curve is circle；As 0 ＜ k, the face shape curve of lens is oblateness.
It is listed below in first embodiment to 3rd embodiment, each conditional meets the condition of table below：
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (12)
1. a kind of 360 ° of panorama fish eye lenses, it is characterized in that from the object side to image side successively the first lens (L1) including negative focal length,
Second lens (L2) of negative focal length, the 3rd lens (L3) of negative focal length, the 4th lens (L4) of positive focal length, positive focal length it is the 5th saturating
Mirror (L5), the 6th lens (L6) of positive focal length, the 7th lens (L7) of positive focal length, the 8th lens (L8) and positive focal length of negative focal length
The 9th lens (L9), aperture diaphragm be located between the 5th lens (L5) and the 6th lens (L6)；
Wherein,
First lens (L1) and the second lens (L2) are respectively convex surface towards the side of object plane,
First lens (L1) and the second lens (L2) are respectively concave surface towards the side of image planes,
3rd lens (L3) towards object plane side be concave surface, the 3rd lens (L3) towards image planes side be convex surface, the 9th lens
(L9) it is biconvex eyeglass；
First lens (L1), the second lens (L2), the 3rd lens (L3), the 4th lens (L4), the 5th lens (L5), the 6th lens
(L6), the 7th lens (L7), the 8th lens (L8) and the 9th lens (L9) and aperture diaphragm, collectively form optical system.
2. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the focal length of first lens (L1) is f1,
The focal length of the 3rd lens (L3) is f3, and it meets relational expression：0.2<f1/f3<1.5.
3. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the focal length of second lens (L2) is f2,
The focal length of the 3rd lens (L3) is f3, and it meets relational expression：0.1<f2/f3<0.5.
4. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the focal length of the 7th lens (L7) is f7,
The focal length of the 8th lens (L8) is f8, and it meets relational expression：-1.6<f7/f8<-1.25.
5. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the focal length of the 7th lens (L7) is f7,
The focal length of the 9th lens (L9) is f9, and it meets relational expression：0.3<f7/f9<0.6.
6. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the space angular resolution of the optical system
It is am, it meets relational expression：3<am<7.5.
7. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the focal length of the optical system is f, optics
The optics overall length of system is TTL, and it meets relational expression：f/TTL<0.1.
8. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the 4th lens (L4) are biconvex lens；
5th lens (L5) towards object plane side be convex surface, the 5th lens (L5) towards image planes side be concave surface；Described 6th is saturating
Mirror (L6) towards object plane side be convex surface, the 6th lens (L6) towards image planes side be concave surface；7th lens (L7) direction
Object plane side and it is convex surface towards image planes side；8th lens (L8) are towards object plane side and towards image planes side
Concave surface.
9. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that first lens (L1), the second lens
(L2), the 3rd lens (L3), the 4th lens (L4), the 5th lens (L5), the 7th lens (L7), the 8th lens (L8) are glass
Spheric glass, the 6th eyeglass (L6) is Glass aspheric eyeglass, and the 9th lens (L9) are biconvex Glass aspheric eyeglass.
10. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the thing side of the 6th lens (L6)
(S11) and image side surface (S12) is circular aspheric face type, the thing side (S16) of the 9th lens (L9) and image side surface (S17) are
It is circular aspheric face type.
11. 360 ° of panorama fish eye lenses according to claim 1, it is characterized in that the 7th lens (L7) and the 8th lens
(L8) it is balsaming lens.
12. according to any 360 ° of described panorama fish eye lenses of claim 1 to 11, it is characterized in that first lens (L1),
The refractive index and Abbe number of the second lens (L2), the 7th lens (L7) and the 8th lens (L8) be respectively n1, n2, n7, n8 and v1,
V2, v7, v8, it meets relational expression：
1.2<n8-v8/30<1.4,0.4<n1-v1/40<1.5,
0.4<n2-v2/40<1.5,0.4<n7-v7/40<1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210119.7A CN106932888B (en) | 2016-12-24 | 2016-12-24 | 360-degree panoramic fisheye lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611210119.7A CN106932888B (en) | 2016-12-24 | 2016-12-24 | 360-degree panoramic fisheye lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932888A true CN106932888A (en) | 2017-07-07 |
| CN106932888B CN106932888B (en) | 2022-08-16 |
Family
ID=59444006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611210119.7A Active CN106932888B (en) | 2016-12-24 | 2016-12-24 | 360-degree panoramic fisheye lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932888B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728293A (en) * | 2017-11-08 | 2018-02-23 | 广东弘景光电科技股份有限公司 | High pixel ultra-wide angle optical system |
| CN108663783A (en) * | 2018-08-28 | 2018-10-16 | 深圳市特莱斯光学有限公司 | A kind of large aperture low cost panorama fish eye lens |
| CN111239962A (en) * | 2018-11-29 | 2020-06-05 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| CN112987265A (en) * | 2021-04-28 | 2021-06-18 | 江西联创电子有限公司 | Fisheye lens |
| US20210278640A1 (en) * | 2018-11-28 | 2021-09-09 | Olympus Corporation | Set of negative meniscus lenses, wide-angle optical system, image pickup apparatus, and projection apparatus |
| CN113625435A (en) * | 2021-10-09 | 2021-11-09 | 江西联创电子有限公司 | Optical imaging lens and imaging apparatus |
| CN114460716A (en) * | 2022-01-11 | 2022-05-10 | 上海大学 | Fisheye lens comprising two aspherical lenses |
| WO2022237630A1 (en) * | 2021-05-10 | 2022-11-17 | 东莞市宇瞳光学科技股份有限公司 | Fixed-focus lens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100277816A1 (en) * | 2007-12-27 | 2010-11-04 | Nanophotonics Co., Ltd. | Fisheye lens |
| JP2011227351A (en) * | 2010-04-21 | 2011-11-10 | Hoya Corp | Wide-angle lens system |
| CN102466860A (en) * | 2010-11-17 | 2012-05-23 | 株式会社腾龙 | Wide angle lens |
| CN104834076A (en) * | 2015-05-26 | 2015-08-12 | 中山联合光电科技股份有限公司 | Small-f-theta-distortion and high-resolution optical system |
| CN105607234A (en) * | 2016-01-07 | 2016-05-25 | 东莞市宇瞳光学科技股份有限公司 | Super-high-definition fish-eye camera lens |
| CN206321862U (en) * | 2016-12-24 | 2017-07-11 | 舜宇光学(中山)有限公司 | A kind of 360 ° of panorama fish eye lenses |
-
2016
- 2016-12-24 CN CN201611210119.7A patent/CN106932888B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100277816A1 (en) * | 2007-12-27 | 2010-11-04 | Nanophotonics Co., Ltd. | Fisheye lens |
| JP2011227351A (en) * | 2010-04-21 | 2011-11-10 | Hoya Corp | Wide-angle lens system |
| CN102466860A (en) * | 2010-11-17 | 2012-05-23 | 株式会社腾龙 | Wide angle lens |
| CN104834076A (en) * | 2015-05-26 | 2015-08-12 | 中山联合光电科技股份有限公司 | Small-f-theta-distortion and high-resolution optical system |
| CN105607234A (en) * | 2016-01-07 | 2016-05-25 | 东莞市宇瞳光学科技股份有限公司 | Super-high-definition fish-eye camera lens |
| CN206321862U (en) * | 2016-12-24 | 2017-07-11 | 舜宇光学(中山)有限公司 | A kind of 360 ° of panorama fish eye lenses |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728293A (en) * | 2017-11-08 | 2018-02-23 | 广东弘景光电科技股份有限公司 | High pixel ultra-wide angle optical system |
| CN107728293B (en) * | 2017-11-08 | 2023-10-27 | 广东弘景光电科技股份有限公司 | High-pixel ultra-wide angle optical system |
| CN108663783A (en) * | 2018-08-28 | 2018-10-16 | 深圳市特莱斯光学有限公司 | A kind of large aperture low cost panorama fish eye lens |
| CN108663783B (en) * | 2018-08-28 | 2023-10-10 | 深圳市特莱斯光学有限公司 | Large-aperture low-cost panoramic fisheye lens |
| US20210278640A1 (en) * | 2018-11-28 | 2021-09-09 | Olympus Corporation | Set of negative meniscus lenses, wide-angle optical system, image pickup apparatus, and projection apparatus |
| CN111239962A (en) * | 2018-11-29 | 2020-06-05 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| CN111239962B (en) * | 2018-11-29 | 2022-02-08 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| CN112987265A (en) * | 2021-04-28 | 2021-06-18 | 江西联创电子有限公司 | Fisheye lens |
| CN112987265B (en) * | 2021-04-28 | 2021-09-10 | 江西联创电子有限公司 | Fisheye lens |
| WO2022237630A1 (en) * | 2021-05-10 | 2022-11-17 | 东莞市宇瞳光学科技股份有限公司 | Fixed-focus lens |
| CN113625435A (en) * | 2021-10-09 | 2021-11-09 | 江西联创电子有限公司 | Optical imaging lens and imaging apparatus |
| CN114460716A (en) * | 2022-01-11 | 2022-05-10 | 上海大学 | Fisheye lens comprising two aspherical lenses |
| CN114460716B (en) * | 2022-01-11 | 2023-10-20 | 上海大学 | Fisheye lens comprising two aspherical lenses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106932888B (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206321862U (en) | A kind of 360 ° of panorama fish eye lenses | |
| CN106932888A (en) | A kind of 360 ° of panorama fish eye lenses | |
| CN105974561B (en) | Wide-angle camera | |
| JP4613111B2 (en) | Optical device | |
| US9323027B2 (en) | Optical lens system | |
| TWI526713B (en) | Image lens system, image capturing device and electronic device | |
| CN105988184B (en) | Phtographic lens group, image-taking device and electronic device | |
| CN106772935B (en) | Lens system and fixed-focus lens | |
| CN106468824B (en) | Wide-angle optical lens | |
| KR101355782B1 (en) | Fisheye lens | |
| TWI660193B (en) | Optical lens | |
| CN104635333A (en) | Eyepiece, headset eyepiece system and micro-display headset equipment | |
| CN106199931B (en) | Imaging lens system, image-taking device and electronic device | |
| CN106680970A (en) | Unmanned plane lens | |
| EP3282298A1 (en) | Optical lens | |
| KR101390089B1 (en) | Fisheye lens | |
| KR101070991B1 (en) | Fisheye lens | |
| CN104570286B (en) | A kind of miniature fish eye lens and wear display device | |
| CN105511061B (en) | A kind of ultra-wide angle high definition optical lens | |
| CN106990509A (en) | Panorama fish eye lens | |
| CN205067847U (en) | Optical lens | |
| CN106324809A (en) | High-definition small-distortion oversized-field surveillance camera | |
| CN205581383U (en) | High picture height is like matter optical imaging system | |
| CN205485017U (en) | Large aperture high definition wide - angle optical lens | |
| CN104459958B (en) | Prime lens used for infrared camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |