CN206321862U - A kind of 360 ° of panorama fish eye lenses - Google Patents
A kind of 360 ° of panorama fish eye lenses Download PDFInfo
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Abstract
A kind of 360 ° of panorama fish eye lenses, from the object side to image side successively including the first lens of negative focal length, 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, aperture diaphragm is located between the 5th lens and the 6th lens；Wherein, the side of first lens and the second lens towards object plane is respectively convex surface, the first lens and the second lens towards the side of image planes be respectively concave surface, 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 utility model has spatial resolution higher and uniform, and edge image compression is slight, the characteristics of can be good at reduction visions of reality.
Description
Technical Field
The utility model relates to an optical system and device design technical field, in particular to 360 panorama fisheye lens.
Background
With the increasing demand of people on information, the fisheye lens has a larger market than a wide-angle lens, and an imaging system constructed by the fisheye lens can be used for staring a system to obtain a scene image of a hemispherical or even hyper-hemispherical airspace, so that the real-time information extraction without blind areas is realized.
At present, the types of fisheye lenses in the market are increasingly diversified, but most of the fisheye lenses have low performance indexes, the field angle is small, the image distortion is large, the spatial resolution is uneven, the resolution of the edge angle is too low, the quality of the edge image of a picture is compressed seriously, the difference between the shot picture and the picture of a real scene is large, and even the image of the edge of the picture cannot be restored, so that the fisheye lenses cannot meet the current requirement because the edge image compression seriously causes the edge resolution to be low. For example, in US patent nos. US7869141B2 and US9182871B2, the lenses disclosed therein have the disadvantages of a viewing angle of less than 200 °, severe edge image compression, low edge resolution, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spatial resolution is higher and even, and the marginal image compression is slight, 360 panorama fisheye lenses of reduction reality scene that can be fine to overcome the weak point among the prior art.
The 360-degree panoramic fish-eye lens designed according to the purpose is structurally characterized by sequentially comprising a first lens with a negative focal length, a second lens with a negative focal length, a third lens with a negative focal length, a fourth lens with a positive focal length, a fifth lens with a positive focal length, a sixth lens with a positive focal length, a seventh lens with a positive focal length, an eighth lens with a negative focal length and a ninth lens with a positive focal length from the object side to the image side, wherein an aperture diaphragm is positioned between the fifth lens and the sixth lens; the side of the first lens and the side of the second lens, which faces the object plane, are respectively convex surfaces, the side of the first lens and the side of the second lens, which faces the image plane, are respectively concave surfaces, the side of the third lens, which faces the object plane, is concave surface, the side of the third lens, which faces the image plane, is convex surface, and the ninth lens is a biconvex lens;
the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens and the aperture diaphragm jointly form an optical system.
The focal length of the first lens is f1, the focal length of the third lens is f3, and the relationship is satisfied: 0.2< f1/f3< 1.5. This technical scheme makes the utility model discloses have the super large visual angle that 240 degrees and 360 panoramas of horizontal full visual angle recorded, corrected fisheye lens's vertical axis aberration, reduced f-Theta distortion, improved space angular resolution, the image compression is slight.
The focal length of the second lens is f2, the focal length of the third lens is f3, and the relationship is satisfied: 0.1< f2/f3< 0.5. This technical scheme makes the utility model discloses have the super large visual angle that 240 degrees and 360 panoramas of horizontal full visual angle recorded, corrected fisheye lens's vertical axis aberration, reduced f-Theta distortion, improved space angular resolution, the image compression is slight.
The focal length of the seventh lens is f7, the focal length of the eighth lens is f8, and the relationship is satisfied: -1.6< f7/f8< -1.25. The technical scheme corrects the vertical axis aberration of the fisheye lens, reduces f-Theta distortion, and has high spatial and angular resolution and slight image compression.
The focal length of the seventh lens is f7, the focal length of the ninth lens is f9, and the relationship is satisfied: 0.3< f7/f9< 0.6. The technical scheme corrects the vertical axis aberration of the fisheye lens, reduces f-Theta distortion, and has high spatial and angular resolution and slight image compression.
The spatial angular resolution of the optical system is am, which satisfies the relation: 3< am < 7.5. The technical scheme enables the edge angle resolution and the center angle resolution to be equal, and the edge image compression is slight.
The focal length of the optical system is f, the total optical length of the optical system is TTL, and the relationship is satisfied: f/TTL < 0.1.
The fourth lens is a biconvex lens; one side of the fifth lens, which faces the object plane, is a convex surface, and one side of the fifth lens, which faces the image plane, is a concave surface; one side of the sixth lens, which faces the object plane, is a convex surface, and one side of the sixth lens, which faces the image plane, is a concave surface; the side of the seventh lens, which faces the object plane, and the side of the seventh lens, which faces the image plane, are convex surfaces; and one side of the eighth lens facing the object plane and one side of the eighth lens facing the image plane are both concave surfaces.
The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the seventh lens and the eighth lens are all glass spherical lenses, the sixth lens is a glass aspheric lens, and the ninth lens is a biconvex glass aspheric lens.
The object side surface and the image side surface of the sixth lens are both round aspheric surface types, and the object side surface and the image side surface of the ninth lens are both round aspheric surface types.
The seventh lens and the eighth lens are cemented lenses, which is beneficial to reducing chromatic aberration.
The refractive index and Abbe number of the first lens, the second lens, the seventh lens and the eighth lens are n1, n2, n7, n8, v1, v2, v7 and v8 respectively, and satisfy the following relations:
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 enables the product to have better environmental temperature change resistance.
To sum up, the utility model adopts nine-piece structure and adopts the mode of mixing and matching spherical lenses and non-spherical lenses; by adopting a reverse telephoto structure, the first lens, the second lens and the third lens adopt negative meniscus lenses, so that the f-Theta distortion of the fisheye lens can reach a small distortion value of 2%, the edge angle resolution and the center angle resolution are leveled, the image compression of the whole lens is slight, real scenes can be well restored, the resolution is greatly improved, and the optical system is ensured to have good sharpness and layering
The utility model provides a first lens, second lens, third lens adopt negative meniscus lens, fine correction the vertical axis aberration of fisheye lens, mainly used reduces f-Theta distortion for marginal angular resolution keeps flat with central angle resolution, and then makes whole camera lens image compression slight, the reality scene of reduction that can be fine, the resolution improves by a wide margin, guarantees that this system has good acutance and stereovision. Simultaneously, adopt a cemented lens among the rear group lens, sixth lens and ninth lens adopt the aspheric surface, and the sixth lens is close to the aperture diaphragm, utilize the fine diaphragm aberration of having rectified fisheye lens of aspheric advantage, make the utility model discloses have the super large visual angle that the full visual angle of level 240 and 360 panorama were recorded, the power of resolving the image promotes by a wide margin simultaneously for entire optical system can reach 1600 ten thousand pixels's high resolution.
The utility model discloses a different thermal property material of reasonable collocation, the position of rationally arranging spherical lens and aspheric lens make whole optical system have good anti ambient temperature variation ability, have solved the problem of camera lens temperature focus drift, can keep high image resolving power in great temperature range, have improved product competitiveness, have increased the use occasion of product.
The utility model adopts reasonable focal power distribution, arrangement of spherical and non-spherical lenses, reasonably sets the focal length and tolerance distribution balance of each lens, the whole optical system has better environment temperature change resistance, and the problem of structural tolerance sensitivity is reduced; and the whole optical system has an ultra-large visual angle of 360-degree panoramic recording, the f-Theta distortion is low, the spatial angle resolution is high, so that the whole lens image is slightly compressed, a real scene can be well restored, the resolution is greatly improved, the whole system can reach the high resolution of 1600 ten thousand pixels, and the optical system is ensured to have better sharpness and layering.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an analysis diagram of the first embodiment.
Fig. 3 is a defocus graph of the first embodiment at room temperature +20 ℃.
Fig. 4 is a dot array diagram of the first embodiment.
Fig. 5 is a field curvature distortion diagram of the first embodiment.
FIG. 6 is a low temperature-40 ℃ defocus plot for the first embodiment.
Fig. 7 is a high temperature +80 ℃ defocus plot for the first embodiment.
Fig. 8 is an analysis diagram of the second embodiment.
FIG. 9 is a defocus graph of the second embodiment at room temperature and 20 ℃.
Fig. 10 is a dot array diagram of the second embodiment.
Fig. 11 is a field curvature distortion diagram of the second embodiment.
FIG. 12 is a high temperature +80 ℃ defocus plot for the second embodiment.
FIG. 13 is a low temperature-40 ℃ defocus plot for the second embodiment.
Fig. 14 is an analysis diagram of the third embodiment.
FIG. 15 is a defocus graph of the third embodiment at room temperature and 20 ℃.
Fig. 16 is a dot array diagram of the third embodiment.
Fig. 17 is a field curvature distortion diagram of the third embodiment.
FIG. 18 is a low temperature-40 ℃ defocus plot for the third embodiment.
Fig. 19 is a high temperature +80 ℃ defocus plot for the third embodiment.
Fig. 20 shows the spatial resolution of the first embodiment.
Fig. 21 shows the spatial resolution of the second embodiment.
Fig. 22 shows the spatial resolution of the third embodiment.
In the figure: l1 is a first lens, L2 is a second lens, L3 is a third lens, L4 is a fourth lens, L5 is a fifth lens, L6 is a sixth lens, L7 is a seventh lens, L8 is an eighth lens, and L9 is a ninth lens.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1 to 7 and 20, the 360 ° panoramic fish-eye lens includes, in order from an object side to an image side, a first lens L1 with a negative focal length, a second lens L2 with a negative focal length, a third lens L3 with a negative focal length, a fourth lens L4 with a positive focal length, a fifth lens L5 with a positive focal length, a sixth lens L6 with a positive focal length, a seventh lens L7 with a positive focal length, an eighth lens L8 with a negative focal length, and a ninth lens L9 with a positive focal length, and an aperture stop is located between the fifth lens L5 and the sixth lens L6; the first lens L1 and the second lens L2 are convex surfaces on the sides facing the object plane, the first lens L1 and the second lens L2 are concave surfaces on the sides facing the image plane, the third lens L3 is concave surface on the side facing the object plane, the third lens L3 is convex surface on the side facing the image plane, and the ninth lens L9 is a biconvex lens.
The first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6, the seventh lens L7, the eighth lens L8, the ninth lens L9, and the aperture stop together constitute an optical system.
One surfaces of the first lens L1 and the second lens L2 facing the object side are convex surfaces, and one surfaces of the first lens L1 and the second lens L2 facing the image side are concave surfaces. One surface of the third lens element L3 facing the object side is concave, and one surface of the third lens element L3 facing the image side is convex.
The fourth lens L4 is a biconvex lens; the side, facing the object plane, of the fifth lens L5 is convex, and the side, facing the image plane, of the fifth lens L5 is concave; the side, facing the object plane, of the sixth lens element L6 is convex, and the side, facing the image plane, of the sixth lens element L6 is concave; the seventh lens L7 is convex on the side facing the object plane and on the side facing the image plane; the eighth lens L8 is concave on both the object plane side and the image plane side.
The surfaces of the ninth lens L9 facing the object side and the image side are convex.
The focal length of the first lens L1 is f1, and the focal length of the third lens L3 is f3, which satisfy the relation: 0.2< f1/f3< 1.5.
The focal length of the second lens L2 is f2, and the focal length of the third lens L3 is f3, which satisfy the relation: 0.1< f2/f3< 0.5.
The focal length of the seventh lens L7 is f7, and the focal length of the eighth lens L8 is f8, which satisfy the relation: -1.6< f7/f8< -1.25.
The focal length of the seventh lens L7 is f7, and the focal length of the ninth lens L9 is f9, which satisfy the relation: 0.3< f7/f9< 0.6.
The spatial angular resolution of the optical system is am, which satisfies the relation: 3< am < 7.5.
The focal length of the optical system is f, the total optical length of the optical system is TTL, and the relationship is satisfied: f/TTL < 0.1.
The first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the seventh lens L7 and the eighth lens L8 are all glass spherical lenses, the sixth lens L6 is a glass aspheric lens, and the ninth lens L9 is a biconvex glass aspheric lens.
The object-side surface S11 and the image-side surface S12 of the sixth lens L6 are both aspheric surfaces, and the object-side surface S16 and the image-side surface S17 of the ninth lens L9 are both aspheric surfaces.
The seventh lens L7 and the eighth lens L8 are cemented lenses.
The refractive indexes and abbe numbers of the first lens L1, the second lens L2, the seventh lens L7 and the eighth lens L8 are n1, n2, n7, n8, v1, v2, v7 and v8 respectively, and satisfy the following relations:
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, the total optical length of the optical system is TTL, the spatial angular resolution of the optical system is am, and am is the number of the chip pixels in the image plane size range occupied by each angle of view. The total optical length of the optical system refers to the distance from the first surface of the first lens of the optical system to the image surface.
When the work object distance WD is Infinity, the total focal length F is 1.05mm, the aperture F # is 2.47, the field angle FOV of the full field of view is 240 °, and the total lens length TTL is 23.2 mm.
In the following tables, n is a refractive index, R is a curvature radius, D is a lens thickness and an inter-lens distance, TTL is a total lens length, F is a lens focal length, F # is an aperture, and K, A, B, C, D, E is an aspherical coefficient.
Fig. 2 to fig. 7 and fig. 20 are MTF, normal temperature +20 ℃ out-of-focus curve graph, point array diagram, field curvature distortion diagram, low temperature-40 ℃ out-of-focus curve graph, high temperature 80 ℃ out-of-focus curve graph and space angle resolution diagram when working object distance WD is infinite in proper order, and can be seen from the figure, the utility model discloses 360 panorama fisheye lens that the first embodiment provided has above-mentioned low f-Theta distortion, edge angular resolution and central angle resolution and keep level, super large field angle, advantage such as strong anti temperature variation ability.
S1 is a front surface of the first lens L1, S2 is a rear surface of the first lens L1, S3 is a front surface of the second lens L2, S4 is a rear surface of the second lens L2, S5 is a front surface of the third lens L3, S6 is a rear surface of the third lens L3, S7 is a front surface of the third lens L4, S8 is a rear surface of the fourth lens L4, S9 is a front surface of the fifth lens L5, S10 is a rear surface of the fifth lens L5, S11 is a front surface of the sixth lens L6, S12 is a rear surface of the sixth lens L6, S13 is a front surface of the seventh lens L7, S14 is an adhesive surface of the seventh lens L7 and the eighth lens L8, S15 is a rear surface of the eighth lens L15, S15 is a front surface of the ninth lens L15, and S15 is a rear surface of the ninth lens L15.
Second embodiment
When WD is infinite, F is 1.22mm, F # is 2.45, FOV is 240 °, TTL is 20mm,
in the above table, "n" is a refractive index, "R" is a curvature radius, D is a lens thickness and an inter-lens distance, TTL is a total lens length, F is a focal length, FOV represents a field angle of a full field of view, F # denotes an aperture, and K, A, B, C, D, E is an aspheric coefficient.
Fig. 8 to fig. 13 and fig. 21 are MTF, normal temperature out-of-focus curve, point chart, field curvature distortion diagram, low temperature-40 ℃ out-of-focus curve diagram, high temperature 80 ℃ out-of-focus curve diagram and space angle resolution diagram when working object distance WD is infinite in proper order, and can be seen from the diagram, the utility model discloses 360 panorama fisheye lens that the second embodiment provided has above-mentioned low f-Theta distortion, edge angular resolution and central angle resolution and keep level, super large field of view angle, advantage such as strong temperature change resistance.
The rest of the parts which are not described in the first embodiment are not described in detail.
Third embodiment
When WD is infinite, F is 1.12mm, F # is 2.35, FOV is 240 °, TTL is 23mm,
in the above table, "n" is a refractive index, "R" is a curvature radius, D is a lens thickness and an inter-lens distance, TTL is a total lens length, F is a focal length, FOV represents a field angle of a full field of view, F # denotes an aperture, and K, A, B, C, D, E is an aspheric coefficient.
Fig. 14 to 19 and fig. 22 are MTF, normal temperature out-of-focus graph, point chart, field curvature distortion graph, low temperature-40 ℃ out-of-focus graph, high temperature 80 ℃ out-of-focus graph and space angle resolution graph when working object distance WD is infinite in proper order, and can be seen from the graph, the utility model discloses 360 panorama fisheye lens that the third embodiment provided has above-mentioned low f-Theta distortion, edge angular resolution and central angle resolution and keep level, super large field angle, advantage such as strong temperature change resistance ability.
The aspheric coefficients used therein are calculated as follows:
wherein r is the distance from a point on the optical surface to the optical axis, Z is the rise of the point in the direction of the optical axis, c is the curvature of the surface, k is the conic constant of the surface, and when k < -1, the surface profile of the lens is hyperbolic; when k is equal to-1, the surface-shaped curve of the lens is a parabola; when k is more than-1 and less than 0, the surface-shaped curve of the lens is an ellipse; when k is 0, the surface curve of the lens is circular; when 0 is more than k, the surface curve of the lens is oblate.
Listed below in the first to third embodiments, each conditional expression satisfies the conditions of the following tables:
the basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (12)
1. A360-degree panoramic fish-eye lens is characterized by comprising a first lens (L1) with a negative focal length, a second lens (L2) with a negative focal length, a third lens (L3) with a negative focal length, a fourth lens (L4) with a positive focal length, a fifth lens (L5) with a positive focal length, a sixth lens (L6) with a positive focal length, a seventh lens (L7) with a positive focal length, an eighth lens (L8) with a negative focal length and a ninth lens (L9) with a positive focal length in sequence from the object side to the image side, wherein an aperture stop is positioned between the fifth lens (L5) and the sixth lens (L6);
wherein,
the sides of the first lens (L1) and the second lens (L2) facing the object plane are convex respectively,
the sides of the first lens (L1) and the second lens (L2) facing the image surface are respectively concave,
the third lens (L3) is concave towards the object plane side, the third lens (L3) is convex towards the image plane side, and the ninth lens (L9) is a biconvex lens;
the first lens (L1), the second lens (L2), the third lens (L3), the fourth lens (L4), the fifth lens (L5), the sixth lens (L6), the seventh lens (L7), the eighth lens (L8), the ninth lens (L9), and the aperture stop together constitute an optical system.
2. The 360 ° panoramic fish-eye lens of claim 1, wherein the first lens (L1) has a focal length of f1 and the third lens (L3) has a focal length of f3, which satisfy the relation: 0.2< f1/f3< 1.5.
3. The 360 ° panoramic fish-eye lens of claim 1, wherein the focal length of the second lens (L2) is f2, and the focal length of the third lens (L3) is f3, which satisfy the relation: 0.1< f2/f3< 0.5.
4. The 360 ° panoramic fish-eye lens of claim 1, wherein the seventh lens (L7) has a focal length of f7 and the eighth lens (L8) has a focal length of f8, which satisfy the relation: -1.6< f7/f8< -1.25.
5. The 360 ° panoramic fish-eye lens of claim 1, wherein the seventh lens (L7) has a focal length of f7 and the ninth lens (L9) has a focal length of f9, which satisfy the relation: 0.3< f7/f9< 0.6.
6. A 360 ° panoramic fish-eye lens according to claim 1, characterized in that the spatial angular resolution of the optical system is am, which satisfies the relation: 3< am < 7.5.
7. The 360 ° panoramic fish-eye lens of claim 1, wherein the focal length of the optical system is f, the total optical length of the optical system is TTL, and the TTL satisfies the relationship: f/TTL < 0.1.
8. The 360 ° panoramic fish-eye lens of claim 1, characterized in that said fourth lens (L4) is a biconvex lens; the side, facing the object plane, of the fifth lens (L5) is convex, and the side, facing the image plane, of the fifth lens (L5) is concave; the side of the sixth lens (L6) facing the object plane is convex, and the side of the sixth lens (L6) facing the image plane is concave; the seventh lens (L7) is convex towards the object plane side and the image plane side; the eighth lens (L8) is concave on both the object plane side and the image plane side.
9. The 360 ° panoramic fish-eye lens of claim 1, wherein the first lens (L1), the second lens (L2), the third lens (L3), the fourth lens (L4), the fifth lens (L5), the seventh lens (L7), and the eighth lens (L8) are all glass spherical lenses, the sixth lens (L6) is a glass aspheric lens, and the ninth lens (L9) is a biconvex glass aspheric lens.
10. The 360 ° panoramic fish-eye lens of claim 1, wherein the object-side surface (S11) and the image-side surface (S12) of the sixth lens (L6) are both of a circular aspherical surface type, and the object-side surface (S16) and the image-side surface (S17) of the ninth lens (L9) are both of a circular aspherical surface type.
11. The 360 ° panoramic fish-eye lens of claim 1, wherein the seventh lens (L7) and the eighth lens (L8) are cemented lenses.
12. The 360 ° panoramic fish-eye lens of any one of claims 1 to 11, wherein the refractive index and abbe number of the first lens (L1), the second lens (L2), the seventh lens (L7) and the eighth lens (L8) are n1, n2, n7, n8, v1, v2, v7, v8, respectively, which satisfy the relations:
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。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106932888A (en) * | 2016-12-24 | 2017-07-07 | 舜宇光学(中山)有限公司 | A kind of 360 ° of panorama fish eye lenses |
| 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 |
| CN107728292A (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 imaging module |
| CN112083551A (en) * | 2019-06-14 | 2020-12-15 | 大立光电股份有限公司 | Optical lens system, image capturing device and electronic device |
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| CN113189747A (en) * | 2021-05-12 | 2021-07-30 | 东莞市宇瞳光学科技股份有限公司 | Fixed focus lens |
| CN113189747B (en) * | 2021-05-12 | 2024-11-19 | 东莞市宇瞳光学科技股份有限公司 | Fixed focus lens |
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| CN106932888B (en) * | 2016-12-24 | 2022-08-16 | 舜宇光学(中山)有限公司 | 360-degree panoramic fisheye lens |
| CN106932888A (en) * | 2016-12-24 | 2017-07-07 | 舜宇光学(中山)有限公司 | A kind of 360 ° of panorama fish eye lenses |
| 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 |
| CN107728292A (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 imaging module |
| 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 |
| CN107728292B (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 camera module |
| CN112083551A (en) * | 2019-06-14 | 2020-12-15 | 大立光电股份有限公司 | Optical lens system, image capturing device and electronic device |
| CN112230386A (en) * | 2020-10-30 | 2021-01-15 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230386B (en) * | 2020-10-30 | 2021-09-24 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230375B (en) * | 2020-10-30 | 2021-10-01 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230372B (en) * | 2020-10-30 | 2021-10-01 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230372A (en) * | 2020-10-30 | 2021-01-15 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230375A (en) * | 2020-10-30 | 2021-01-15 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN113189747A (en) * | 2021-05-12 | 2021-07-30 | 东莞市宇瞳光学科技股份有限公司 | Fixed focus lens |
| CN113189747B (en) * | 2021-05-12 | 2024-11-19 | 东莞市宇瞳光学科技股份有限公司 | Fixed focus lens |
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