CN204832650U - Small -size super wide angle camera lens - Google Patents
Small -size super wide angle camera lens Download PDFInfo
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- CN204832650U CN204832650U CN201520247617.3U CN201520247617U CN204832650U CN 204832650 U CN204832650 U CN 204832650U CN 201520247617 U CN201520247617 U CN 201520247617U CN 204832650 U CN204832650 U CN 204832650U
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Abstract
The utility model discloses a small -size super wide angle camera lens, object space to image space in proper order first lens, second lens, third lens, fourth lens, five lens, VI lenses and seven lens of coaxial setting are followed including the lens cone with in the lens cone to these first lens, second lens and the 7th lens are negative optical power's spheric glass, these third lens, fourth lens, the 5th lens and VI lenses are positive refractive power's spheric glass, each lens adopts specific curvature radius, thickness and interval setting, makes the visual angle theta of this camera lens great, can reach 178 degrees, and the light ring is possible 2.3, and the resolution is high, and it satisfies requirement of high definition quality and can possess bigger visual angle, on the high definition sensitization product of 1, 600 ten thousand pixel chips is joined in marriage to the specially adapted resolution, for example: motion DV, domestic security protection, vehicle event data recorder etc.
Description
Technical field
The utility model relates to field of optical lens technology, refers in particular to a kind of small-sized bugeye lens.
Background technology
In recent years, along with the range of application of pick-up lens is more and more extensive, such as, the industries such as motion DV, mobile phone camera, on-vehicle lens, safe imaging monitoring and electronic entertainment, but, the shortcoming that existing monitoring, vehicle-mounted camera lens ubiquity are such: visual angle is large not, aperture is little, physical dimension is but very large, use monitoring, vehicle-mounted on seem that volume is larger, take up room more, be not suitable for moving camera shooting.
And coordinate the optics overall length on the high definition chip of more than 1/3rd inches to be less than the camera lens of 30mm at present, its visual angle is often less than 140 degree, the scope of captured integral image is too little to such an extent as to will fill the effect that an even several camera lens just can reach large-range monitoring more, and the cost of its total cost is higher.
In prior art, also some adopts the camera lens of 4G structure, and its structure is relatively small and exquisite, and it adopts aspheric mirror chip technology usually, in the hope of obtaining larger visual angle, but aspherical lens difficulty of processing is large, current Glass aspheric processing and detection technique there also are not universalization, and its equipment cost is very high; And moulded plastic aspheric surface can realize scale of mass production, its cost is not high yet, but performance is greatly affected by environment, and large, the logical light of its heat difference is little, smearing of image, can not meet the requirement of camera lens high-definition quality.
Therefore, be badly in need of working out a kind of new technical scheme and solve the problems referred to above.
Utility model content
The utility model is for the disappearance of prior art existence, and its fundamental purpose is to provide a kind of small-sized bugeye lens, and it solves the problem that existing optical lens can not accomplish small-sized ultra-wide angle simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
A kind of small-sized bugeye lens, include lens barrel and in lens barrel along the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens that object space to image space is coaxially arranged successively, and these first lens, the second lens and the 7th lens are the spheric glass of negative power; 3rd lens, the 4th lens, the 5th lens and the 6th lens are the spheric glass of positive light coke;
Wherein, the effective aperture value of these the first lens is greater than 10mm, these first lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 12<R<20mm, and its radius-of-curvature towards the rear surface of image space is 2.6<R<3.5mm; The center thickness of these the first lens is 1.2<CT<1.7mm;
These second lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 8<R<11mm, and its radius-of-curvature towards the rear surface of image space is 3<R<4mm; The center thickness of these the second lens is 1.2<CT<1.6mm;
3rd lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 5<R<8mm, and is-1<R<1mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 3rd lens is 1.5<CT<2.1mm;
4th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 30<R<50mm, and is 5<R<8mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 4th lens is 3.5<CT<4.5mm;
5th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 10<R<15mm, and is 5<R<8mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 5th lens is 1<CT<1.5mm;
6th lens are that front surface is convex in the convex biconvex spheric glass to image space of object space and rear surface, its radius-of-curvature towards the front surface of object space is 9<R<13mm, and is 3<R<6mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 6th lens is 1.5<CT<2.2mm;
7th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 3<R<6mm, and is 15<R<30mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 7th lens is 0.5<CT<1.5mm;
Described first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens each other micro-spacing are arranged, and the rear surface of the 6th lens and the front surface of the 7th lens glue together each other;
The spacing on adjacent two surfaces, center of these second lens and aforementioned first lens is 1.5<CT<2mm; The spacing on adjacent two surfaces, center of the 3rd lens and aforementioned second lens is 0.15<CT<0.35mm; The spacing on adjacent two surfaces, center of the 4th lens and aforementioned 3rd lens is 0.05<CT<0.2mm; The spacing on adjacent two surfaces, center of the 5th lens and aforementioned 4th lens is 0.03<CT<0.2mm; The spacing on adjacent two surfaces, center of the 6th lens and aforementioned 5th lens is 0.03<CT<0.2mm.
As a kind of preferred version, described lens optical overall length is less than or equal to 21.1mm.
As a kind of preferred version, the Vd of described first lens is 1.83, Nd is 37.3; The Vd of these the second lens is 1.57, Nd is 42; The Vd of the 3rd lens is 1.92, Nd is 21; The Vd of the 4th lens is 1.77, Nd is 50; The Vd of the 5th lens is 1.77, Nd is 50; The Vd of the 6th lens is 1.70, Nd is 55; The material of the 7th lens is, its Vd is 1.90, Nd is 18;
Wherein Vd is the abbe number of each optical material, and Nd is the refraction coefficient of each optical material.
Especially, described first lens are 15mm towards the radius-of-curvature of the front surface of object space, and these first lens are 2.8mm towards the radius-of-curvature of the rear surface of image space;
Described second lens are 9.6mm towards the radius-of-curvature of the front surface of object space, and these second lens are 3.6mm towards the radius-of-curvature of the rear surface of image space;
Described 3rd lens are 6.9mm towards the radius-of-curvature of the front surface of object space, and the 3rd lens are 0mm towards the radius-of-curvature of the rear surface of image space;
Described 4th lens are 35mm towards the radius-of-curvature of the front surface of object space, and the 4th lens are 6.5mm towards the radius-of-curvature of the rear surface of image space;
Described 5th lens are 13.3mm towards the radius-of-curvature of the front surface of object space, and the 5th lens are 6.2mm towards the radius-of-curvature of the rear surface of image space;
Described 6th lens are 11.9mm towards the radius-of-curvature of the front surface of object space, and the 6th lens are 4.9mm towards the radius-of-curvature of the rear surface of image space;
Described 7th lens are 4.9mm towards the radius-of-curvature of the front surface of object space, and the 7th lens are 23mm towards the radius-of-curvature of the rear surface of image space;
As a kind of preferred version, form ink coated layer outside the sphere of the rear surface towards image space of described first lens, its ink coated layer thickness is at 5-10u.
As a kind of priority scheme, the visual angle of described camera lens is greater than 178 degree.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, by adopt aforementioned first, second, third and fourth, five, the structural design of six and seven lens, the view angle theta of this camera lens is larger, 178 degree can be reached, aperture can accomplish F2.0, resolution is high, it meets the requirement of high-definition quality and can have larger visual angle, being specially adapted to resolution joins on the high definition photosensitive products of 1,600 ten thousand pixel chip, such as: motion DV, domestic security, drive recorder etc.And the lens optical overall length of the product of the utility model compares conventional art, has had and has shortened largely, this lens optical overall length L is less than or equal to 21.1mm, reduces overall volume, meets miniaturization of products demand.In addition, the utility model first, second, third and fourth, five, six and seven lens are all designed to spherical lens, its process is simple, cost is more cheap, is conducive to improving the market competitiveness.
For more clearly setting forth architectural feature of the present utility model, technological means and the specific purposes reached thereof and function, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:
Accompanying drawing explanation
Fig. 1 is the package assembly schematic cross-section of the embodiment of the utility model;
Fig. 2 is the structure enlarged diagram of the first lens in the embodiment of the utility model;
Fig. 3 is the structure enlarged diagram of the second lens in the embodiment of the utility model;
Fig. 4 is the structure enlarged diagram of the 3rd lens in the embodiment of the utility model;
Fig. 5 is the structure enlarged diagram of the 4th lens in the embodiment of the utility model;
Fig. 6 is the structure enlarged diagram of the 5th lens in the embodiment of the utility model;
Fig. 7 is the structure enlarged diagram of the 6th lens in the embodiment of the utility model;
Fig. 8 is the structure enlarged diagram of the 7th lens in the embodiment of the utility model;
Fig. 9 is the assembling assumption diagram of the embodiment of the utility model.
Accompanying drawing identifier declaration:
10, the first lens, the 20, second lens, the 30, the 3rd lens, the 40, the 4th lens, the 50, the 5th lens, the 60, the 6th lens, the 70, the 7th lens, 80, lens barrel;
R11, R12, R21, R22, R31, R32, R41, R42, R51, R52, R61, R62, R71, R72, radius-of-curvature, 13,23,33,43,53,63,73, center thickness, M1, M2, M3, M4, M5, spacing.
Embodiment
Please refer to shown in Fig. 1 to Fig. 9, that show the concrete structure of the preferred embodiment of the utility model, include lens barrel 80 and in lens barrel 80 along the first lens 10, second lens 20, the 3rd lens 30, the 4th lens 40, the 5th lens 50, the 6th lens 60 and the 7th lens 70 that object space to image space is coaxially arranged successively, and these the first lens 10, second lens 20 and the 7th lens 70 are the spheric glass of negative power; 3rd lens 30, the 4th lens 40, the 5th lens 50 and the 6th lens 60 are the spheric glass of positive light coke.First lens 10, second lens 20, the 3rd lens 30, the 4th lens 40, the 5th lens 50 and the 6th lens 60 each other micro-spacing are arranged, and the rear surface of the 6th lens 60 and the front surface of the 7th lens 70 glue together each other.
Wherein, as shown in Figure 2, these first lens 10 are all convex curved month type eyeglass to object space in front surface 11 and rear surface 12, and the abbe number Vd of the first lens is 1.8, and refraction coefficient Nd is 37.3.Its radius of curvature R 11 towards the front surface 11 of object space is 12<R11<20mm, and its radius of curvature R 12 towards the rear surface 12 of image space is 2.6<R12<3.5mm; In the present embodiment, its radius of curvature R 11 towards the front surface 11 of object space is 15mm, and its radius of curvature R 12 towards the rear surface 12 of image space is 2.8mm; The center thickness 13 of these the first lens is 1.6mm.Form ink coated layer outside the sphere of the rear surface towards image space of the first lens, its ink coated layer thickness is at 5-10u.
As shown in Figure 3, these second lens 20 are all convex curved month type eyeglass to object space in front surface 21 and rear surface 22, and the abbe number Vd of the second lens 20 is 1.57, and refraction coefficient Nd is 42; Its radius of curvature R 21 towards the front surface 21 of object space is 8<R21<11mm, and its radius of curvature R 22 towards the rear surface 22 of image space is 3<R22<4mm; In the present embodiment, its radius of curvature R 21 towards the front surface 21 of object space is 9.6mm, and its radius of curvature R 22 towards the rear surface 22 of image space is 3.6mm; The center thickness 23 of these the second lens 20 is 1.5mm.As shown in Figure 9, these second lens 20 are 1.75mm with the spacing M1 on adjacent two surfaces, center of aforementioned first lens 10.
As shown in Figure 4, the 3rd lens 30 are all convex curved month type eyeglass to object space in front surface 31 and rear surface 32, and the abbe number Vd of the 3rd lens 30 is 1.92, and refraction coefficient Nd is 21; Its radius of curvature R 31 towards the front surface 31 of object space is 5<R31<8mm, and is-1<R32<1mm towards the radius of curvature R 32 of the rear surface 32 of image space; In the present embodiment, its radius of curvature R 31 towards the front surface 31 of object space is 6.9mm, and its radius of curvature R 32 towards the rear surface 32 of image space is 0mm, and the center thickness 33 of the 3rd lens 30 is 1.8mm.As shown in Figure 9, the 3rd lens 30 are 0.25mm with the spacing M2 on adjacent two surfaces, center of aforementioned second lens 20.
As shown in Figure 5,4th lens 40 are all convex curved month type eyeglass to image space in front surface 41 and rear surface 42, its radius of curvature R 41 towards the front surface 41 of object space is 30<R41<50mm, and is 5<R42<8mm towards the radius of curvature R 42 of the rear surface 42 of image space; The abbe number Vd of the 4th lens 40 is 50, and refraction coefficient Nd is 1.77.In the present embodiment, its radius of curvature R 41 towards the front surface 41 of object space is 35mm, and its radius of curvature R 42 towards the rear surface 42 of image space is 6.5mm, and the center thickness 43 of the 4th lens 40 is 4mm.As shown in Figure 9, the 4th lens 40 are 0.12mm with the spacing M3 on adjacent two surfaces, center of aforementioned 3rd lens 30.
As shown in Figure 6, the 5th lens 50 are all convex biconvex spheric glass to image space in front surface 51 and rear surface 52, and the abbe number Vd of the 5th lens 50 is 1.77, and refraction coefficient Nd is 50; Its radius of curvature R 51 towards the front surface 51 of object space is 10<R51<15mm, and is 5<R52<8mm towards the radius of curvature R 52 of the rear surface 52 of image space.In the present embodiment, its radius of curvature R 51 towards the front surface 51 of object space is 13.3mm, and its radius of curvature R 52 towards the rear surface 52 of image space is 6.2mm, and the center thickness 53 of the 5th lens 50 is 1.3mm.As shown in Figure 9, the 5th lens 50 are 0.05mm with the spacing M4 on adjacent two surfaces, center of aforementioned 4th lens 40.
As shown in Figure 7, the 6th lens 60 are that front surface 61 is convex in the convex biconvex spheric glass to image space of object space and rear surface 62, and the abbe number Vd of the 6th lens 60 is 1.7, and refraction coefficient Nd is 55; Its radius of curvature R 61 towards the front surface 61 of object space is 9<R61<13mm, and is 3<R62<6mm towards the radius of curvature R 62 of the rear surface 62 of image space.In the present embodiment, its radius of curvature R 61 towards the front surface 61 of object space is 11.9mm, and its radius of curvature R 62 towards the rear surface 62 of image space is 4.9Mm, and the center thickness 63 of the 6th lens 60 is 1.7mm.As shown in Figure 9, the 6th lens 60 are 0.06mm with the spacing M5 on adjacent two surfaces, center of aforementioned 5th lens 50.
As shown in Figure 8, the 7th lens 70 are all convex biconvex spheric glass to image space in front surface 71 and rear surface 72, and the abbe number Vd of the 7th lens 70 is 18, and refraction coefficient Nd is 1.95; Does is its radius of curvature R 71 towards the front surface 71 of object space 3<R71<6mm, and is 15<R72<30 towards the radius of curvature R 72 of the rear surface 72 of image space? mm.In the present embodiment, its radius of curvature R 71 towards the front surface 71 of object space is 4.9mm, and its radius of curvature R 72 towards the rear surface 72 of image space is 23Mm, and the center thickness 73 of the 7th lens 70 is 0.5mm.
Especially, when the radius-of-curvature of the front surface towards object space of described first lens is 15mm, the radius-of-curvature of the rear surface towards image space of these the first lens is 2.8mm; The radius-of-curvature of the front surface towards object space of described second lens is 9.6mm, and the radius-of-curvature of the rear surface towards image space of these the second lens is 3.6mm; The radius-of-curvature of the front surface towards object space of described 3rd lens is 6.9mm, and the radius-of-curvature of the rear surface towards image space of the 3rd lens is 0mm; The radius-of-curvature of the front surface towards object space of described 4th lens is 35mm, and the radius-of-curvature of the rear surface towards image space of the 4th lens is 6.5mm; The radius-of-curvature of the front surface towards object space of described 5th lens is 13.3mm, and the radius-of-curvature of the rear surface towards image space of the 5th lens is 6.2mm; The radius-of-curvature of the front surface towards object space of described 6th lens is 11.9mm, and the radius-of-curvature of the rear surface towards image space of the 6th lens is 4.9mm; The radius-of-curvature of the front surface towards object space of described 7th lens is 4.9mm, and the radius-of-curvature of the rear surface towards image space of the 7th lens is 23mm;
The center thickness of these the first lens is 1.6mm; The center thickness of these the second lens is 1.5mm; The center thickness of the 3rd lens is 1.8mm; The center thickness of the 4th lens is 4mm; The center thickness of the 5th lens is 1.3mm; The center thickness of the 6th lens is 1.7mm; The center thickness of the 7th lens is 0.5mm.The aperture of described camera lens can accomplish F2.0, and the view angle theta of camera lens can reach 178 degree, and the optics overall length of camera lens is less than or equal to 21.1mm.
In sum, design focal point of the present utility model is, by adopt aforementioned first, second, third and fourth, five, the structural design of six and seven lens, the optics total length of this camera lens is less, be less than or equal to 21.1mm, the view angle theta of this camera lens is comparatively large, and can reach 178 degree, aperture can accomplish F2.0, resolution is high, it meets the requirement of high-definition quality and can have larger visual angle, is specially adapted to resolution and joins on the high definition photosensitive products of 1,600 ten thousand pixel chip, meet the requirement of moving camera shooting.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a small-sized bugeye lens, it is characterized in that: include lens barrel and in lens barrel along the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens that object space to image space is coaxially arranged successively, and these first lens, the second lens and the 7th lens are the spheric glass of negative power; 3rd lens, the 4th lens, the 5th lens and the 6th lens are the spheric glass of positive light coke;
Wherein, the effective aperture value of these the first lens is greater than 10mm, these first lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 12<R<20mm, and its radius-of-curvature towards the rear surface of image space is 2.6<R<3.5mm; The center thickness of these the first lens is 1.2<CT<1.7mm;
These second lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 8<R<11mm, and its radius-of-curvature towards the rear surface of image space is 3<R<4mm; The center thickness of these the second lens is 1.2<CT<1.6mm;
3rd lens are all convex curved month type eyeglass to object space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 5<R<8mm, and is-1<R<1mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 3rd lens is 1.5<CT<2.1mm;
4th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 30<R<50mm, and is 5<R<8mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 4th lens is 3.5<CT<4.5mm;
5th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 10<R<15mm, and is 5<R<8mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 5th lens is 1<CT<1.5mm;
6th lens are that front surface is convex in the convex biconvex spheric glass to image space of object space and rear surface, its radius-of-curvature towards the front surface of object space is 9<R<13mm, and is 3<R<6mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 6th lens is 1.5<CT<2.2mm;
7th lens are all convex curved month type eyeglass to image space in front surface and rear surface, its radius-of-curvature towards the front surface of object space is 3<R<6mm, and is 15<R<30mm towards the radius-of-curvature of the rear surface of image space; The center thickness of the 7th lens is 0.5<CT<1.5mm;
Described first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens each other micro-spacing are arranged, and the rear surface of the 6th lens and the front surface of the 7th lens glue together each other;
The spacing on adjacent two surfaces, center of these second lens and aforementioned first lens is 1.5<CT<2mm; The spacing on adjacent two surfaces, center of the 3rd lens and aforementioned second lens is 0.15<CT<0.35mm; The spacing on adjacent two surfaces, center of the 4th lens and aforementioned 3rd lens is 0.05<CT<0.2mm; The spacing on adjacent two surfaces, center of the 5th lens and aforementioned 4th lens is 0.03<CT<0.2mm; The spacing on adjacent two surfaces, center of the 6th lens and aforementioned 5th lens is 0.03<CT<0.2mm.
2. small-sized bugeye lens according to claim 1, is characterized in that: described lens optical overall length is less than or equal to 21.1mm.
3. small-sized bugeye lens according to claim 1, is characterized in that:
The Vd of described first lens is 1.83, Nd is 37.3;
The Vd of these the second lens is 1.57, Nd is 42;
The Vd of the 3rd lens is 1.92, Nd is 21;
The Vd of the 4th lens is 1.77, Nd is 50;
The Vd of the 5th lens is 1.77, Nd is 50;
The Vd of the 6th lens is 1.70, Nd is 55;
The material of the 7th lens is, its Vd is 1.90, Nd is 18;
Wherein Vd is the abbe number of each optical material, and Nd is the refraction coefficient of each optical material.
4. small-sized bugeye lens according to claim 1, is characterized in that:
Described first lens are 15mm towards the radius-of-curvature of the front surface of object space, and these first lens are 2.8mm towards the radius-of-curvature of the rear surface of image space;
Described second lens are 9.6mm towards the radius-of-curvature of the front surface of object space, and these second lens are 3.6mm towards the radius-of-curvature of the rear surface of image space;
Described 3rd lens are 6.9mm towards the radius-of-curvature of the front surface of object space, and the 3rd lens are 0mm towards the radius-of-curvature of the rear surface of image space;
Described 4th lens are 35mm towards the radius-of-curvature of the front surface of object space, and the 4th lens are 6.5mm towards the radius-of-curvature of the rear surface of image space;
Described 5th lens are 13.3mm towards the radius-of-curvature of the front surface of object space, and the 5th lens are 6.2mm towards the radius-of-curvature of the rear surface of image space;
Described 6th lens are 11.9mm towards the radius-of-curvature of the front surface of object space, and the 6th lens are 4.9mm towards the radius-of-curvature of the rear surface of image space;
Described 7th lens are 4.9mm towards the radius-of-curvature of the front surface of object space, and the 7th lens are 23mm towards the radius-of-curvature of the rear surface of image space.
5. small-sized bugeye lens according to claim 1, is characterized in that: form ink coated layer outside the sphere of the rear surface towards image space of described first lens, and its ink coated layer thickness is at 5-10u.
6. small-sized bugeye lens according to claim 1, is characterized in that: the visual angle of described camera lens is greater than 178 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247617.3U CN204832650U (en) | 2015-04-22 | 2015-04-22 | Small -size super wide angle camera lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247617.3U CN204832650U (en) | 2015-04-22 | 2015-04-22 | Small -size super wide angle camera lens |
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| CN204832650U true CN204832650U (en) | 2015-12-02 |
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| CN201520247617.3U Expired - Fee Related CN204832650U (en) | 2015-04-22 | 2015-04-22 | Small -size super wide angle camera lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050215A (en) * | 2016-12-15 | 2019-07-23 | 日本电产三协株式会社 | Wide-angle lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110050215A (en) * | 2016-12-15 | 2019-07-23 | 日本电产三协株式会社 | Wide-angle lens |
| CN110050215B (en) * | 2016-12-15 | 2021-06-15 | 日本电产三协株式会社 | Wide-angle lens |
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