CN106569320B - Six chip wide-angle lens - Google Patents
Six chip wide-angle lens Download PDFInfo
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- CN106569320B CN106569320B CN201510656632.8A CN201510656632A CN106569320B CN 106569320 B CN106569320 B CN 106569320B CN 201510656632 A CN201510656632 A CN 201510656632A CN 106569320 B CN106569320 B CN 106569320B
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Abstract
The present invention relates to a kind of six chip wide-angle lens, it sequentially include one first lens group, an aperture and a second lens group by object side to image side, the third eyeglass that the second eyeglass and a refractive power that the first eyeglass that first lens group is sequentially negative by a refractive power by object side to image side, a refractive power are negative are positive forms, first eyeglass is falcate eyeglass of the convex surface towards object side, the image side surface of second eyeglass is concave surface, and the object side of third eyeglass is convex surface；Second lens group is made of the 6th eyeglass that object side to image side the 5th eyeglass and a refractive power that sequentially essence is negative by the 4th eyeglass, a refractive power that a refractive power is positive are positive, 4th eyeglass is biconvex eyeglass, the image side surface of 5th eyeglass is concave surface, the object side of 6th eyeglass is convex surface, and the synthesis focal length value of second lens group is positive value.
Description
Technical field
The present invention relates to a kind of optical lens, particularly relate to a kind of optical lens for being related to six with refractive power eyeglass.
Background technique
So-called wide-angle lens refers to that focal length is shorter, the biggish camera lens in visual angle, its main feature is that having the longer depth of field, can hold
Receive scenery range it is wider, and the space depth feelings of picture can be increased.
But general wide-angle lens is easy to produce the disadvantage that color difference is big and the curvature of field is big, in addition, the miniaturization of camera lens, aperture
With yield also all it is therefore how the main consideration point that wide-angle lens designs provides a kind of wide-angle lens that can have both multiple feature
Head is worth this field personage to consider in fact.
Summary of the invention
In view of the above-mentioned problems, having both the six of wide-angle, large aperture and low field song the main purpose of the present invention is to provide a kind of
Chip wide-angle lens.
In order to achieve the above objectives, a kind of six chips wide-angle lens provided by the present invention, it is characterised in that six chip is wide
Angle mirror head sequentially includes: one first lens group by object side to image side, and the first eyeglass being negative by a refractive power, a refractive power are negative
The third eyeglass composition that second eyeglass and a refractive power are positive, first eyeglass are falcate eyeglass of the convex surface towards object side,
The image side surface of second eyeglass is concave surface, and the object side of the third eyeglass is convex surface；One aperture；One second lens group, by one
The 6th eyeglass composition that the 5th eyeglass and a refractive power that the 4th eyeglass, the refractive power that refractive power is positive are negative are positive, it is described
4th eyeglass is biconvex eyeglass, and the image side surface of the 5th eyeglass is concave surface, and the object side of the 6th eyeglass is convex surface, and institute
The synthesis focal length value for stating second lens group is positive value；
Wherein, the six chips wide-angle lens meets following relationship:
Wherein ff is the synthesis focal length value of first lens group, and fr is the synthesis focal length value of the second lens group.If aforementioned
Ratio is greater than 8.81, is less susceptible to reach wide-angle effect, if aforementioned ratio on the contrary is not easy to realize the small-sized of camera lens less than 0.65
Change.
The present invention also provides another technical solutions: a kind of six chip wide-angle lens, it is characterised in that six wide-angles
Camera lens sequentially includes: one first lens group by object side to image side, the first eyeglass being negative by a refractive power, a refractive power be negative
The third eyeglass composition that two eyeglasses and a refractive power are positive, first eyeglass are falcate eyeglass of the convex surface towards object side, institute
The image side surface for stating the second eyeglass is concave surface, and the object side of the third eyeglass is convex surface；One aperture；One second lens group, is bent by one
The 6th eyeglass that the 5th eyeglass and a refractive power that the 4th eyeglass, the refractive power that luminous power is positive are negative are positive composition, described the
Four eyeglasses are biconvex eyeglass, and the image side surface of the 5th eyeglass is concave surface, and the object side of the 6th eyeglass is convex surface, and described
The synthesis focal length value of second lens group is positive value；Wherein, the six chips wide-angle lens meets following relationship:
Wherein f1 is the focal length value of first eyeglass, and f2 is the focal length value of second eyeglass.When aforementioned ratio is greater than
When 1.06, wide-angle effect is less obvious, otherwise when aforementioned ratio is less than 0.52, then balance tolerances are less susceptible to, thus make
Yield is not easy to be promoted.
In the technical solution of aforementioned present invention, the object side of second eyeglass is convex surface.
The object side of second eyeglass is concave surface.
The image side surface of the third eyeglass is convex surface.
The image side surface of the third eyeglass is concave surface.
The object side of 5th eyeglass is convex surface.
The object side of 5th eyeglass is concave surface.
The image side surface of 6th eyeglass is convex surface.
The image side surface of 6th eyeglass is concave surface.
The synthesis focal length value of first lens group is positive value.
The synthesis focal length value of first lens group is negative value.
Also meet following relationship:
Wherein 1CT is distance of the object side to aperture on an optical axis of first eyeglass, and 2CT is the aperture to the
Distance of the image side surface of six eyeglasses on the optical axis.
Also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f3 is the focal length value of the third eyeglass, and f4 is institute
State the focal length value of the 4th eyeglass.
Preferably, six chip wide-angle lens can also meet following relationship:
Wherein 1CT is distance of the object side of first eyeglass to aperture on optical axis, and 2CT is the aperture to the 6th eyeglass
Distance of the image side surface on optical axis.Otherwise if aforementioned ratio is greater than 2.77, it is not easy to achieve the effect that miniaturization, if aforementioned
Ratio is then not easy to improve coma and astigmatism less than 1.75.
Preferably, six chip wide-angle lens can also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f3 is the focal length value of the third eyeglass, and f4 is the 4th
The focal length value of eyeglass.When six chip wide-angle lens meet foregoing relationships, it will help eliminate or reduce the temperature difference.
Preferably, six chip wide-angle lens can also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f4 is the focal length value of the 4th eyeglass, and f5 is the 5th
The focal length value of eyeglass, f6 are the focal length value of the 6th eyeglass, and V4 is the abbe number of the 4th eyeglass, and V5 is the 5th eyeglass
Abbe number, V6 are the abbe number of the 6th eyeglass.When six chip wide-angle lens meet an at least foregoing relationships, will have
Help eliminate or reduce color difference.
Preferably, six chip wide-angle lens can also meet following relationship:
If aforementioned ratio is greater than 0.9, it is not easy defocusing amount caused by modifying factor temperature change, if aforementioned ratio on the contrary is less than
0.045, then it is not easy to reach wide-angle effect.
Preferably, six chip wide-angle lens can also meet following relationship:
Wherein G12 is distance of first, second eyeglass on optical axis, and R2 is the radius of curvature of the first eyeglass image side surface.If
Aforementioned ratio is greater than 0.89, then is easy to produce stray light, if aforementioned ratio on the contrary is not easy to correct aberration less than 0.61.
By adopting the above technical scheme, six chip wide-angle lens of the invention have lesser color difference, and cost is relatively low and miscellaneous
Astigmatism is unobvious, thus can be promoted integral into water quality, and have both the characteristics such as wide-angle, large aperture and low field song.
Detailed description of the invention
Fig. 1 is the schematic diagram of first embodiment of the invention, and dotted portion indicates light path；
Figure 1A is the lateral chromatic aberration figure of first embodiment of the invention；
Figure 1B is the curvature of field and distortion figure of first embodiment of the invention；
Fig. 2 is the schematic diagram of second embodiment of the invention, and dotted portion indicates light path；
Fig. 2A is the lateral chromatic aberration figure of second embodiment of the invention；
Fig. 2 B is the curvature of field and distortion figure of second embodiment of the invention；
Fig. 3 is the schematic diagram of third embodiment of the invention, and dotted portion indicates light path；
Fig. 3 A is the lateral chromatic aberration figure of third embodiment of the invention；
Fig. 3 B is the curvature of field and distortion figure of third embodiment of the invention；
Fig. 4 is the schematic diagram of fourth embodiment of the invention, and dotted portion indicates light path；
Fig. 4 A is the lateral chromatic aberration figure of fourth embodiment of the invention；
Fig. 4 B is the curvature of field and distortion figure of fourth embodiment of the invention.
Specific embodiment
It now lifts following embodiment and structure and effect of the invention is described in detail in conjunction with attached drawing.
As shown in Figure 1, being the first embodiment of the present invention, six chip wide-angle lens 1 are in optical axis L by object side A to image side B
It include sequentially one first lens group G1, an aperture ST and a second lens group G2, the first lens group G1 is in optical axis L by object side A to image side B
It is that essence is made of one first eyeglass 10, one second eyeglass 20 and a third eyeglass 30, second lens group G2 is in optical axis L by object side
A to image side B be essence be made of one the 4th eyeglass 40, one the 5th eyeglass 50 and one the 6th eyeglass 60, in the B of image side at equipped with CCD,
CMOS or other photosensitive element (not shown) can be equipped with optical filter and/or protection between photosensitive element and the 6th eyeglass 60
The quantity of the flat lenses such as glass 70, flat lenses 70 can increase and decrease or be not provided on demand.
In the present embodiment, the first eyeglass 10 has negative refractive power, and the object side of the first eyeglass 10 is convex surface, image side surface
It is a falcate eyeglass for concave surface.
The object side of second eyeglass 20 is convex surface, and image side surface is concave surface, is similarly a falcate eyeglass.First, second mirror
Piece 10,20 all has negative refractive power, other than wide-angle effect easy to accomplish, is also applied for the design of large aperture.
Third eyeglass 30 has positive refractive power, and the object side of third eyeglass 30 is convex surface, and image side surface is convex surface, is one
Biconvex eyeglass.
4th eyeglass 40 has positive refractive power, and the object side of the 4th eyeglass 40 is convex surface, and image side surface is also convex surface, is
One biconvex mirror piece.
5th eyeglass 50 has negative refractive power, and the object side of the 5th eyeglass 50 is concave surface, and image side surface is concave surface, is one
Concave-concave eyeglass.
6th eyeglass 60 has positive refractive power, and the object side of the 6th eyeglass 60 is convex surface, and image side surface is concave surface, is
One falcate eyeglass, the 6th eyeglass 60 have the function of adjustable image incident light angle.
The design parameter of six chip wide-angle lens 1 of first embodiment is as shown in following table one:
Table one
In first embodiment, the object side of the first, second, third, the 5th and the 6th eyeglass 10,20,30,50,60 and picture
Side is aspherical, and its face type meets following equation:
Wherein c=1/r, r are surface curvature radius, and h is height of the light on this surface, and k is conical surface coefficient, and A is the 4th
Level number, B are the 6th level number, and C is the 8th level number, and D is the tenth level number, and E is the tenth second order coefficient, and F is the tenth quadravalence
Coefficient, G are the 16th level number.Each aspherical parameter of first embodiment is as shown in following table two:
Table two
Based on previous designs, the system focal length f of the present embodiment is 2.29mm, and system length TTL is 20.38mm, maximum picture
The field angle of eminence is up to 122 degree, and f-number (f-number) is up to 2.0.
At this point, the ratio absolute value of the synthesis focal length value fr of the synthesis focal length value ff and second lens group G2 of the first lens group G1 is
1.711, the ratio of focal length value f1, f2 of the first, second eyeglass 10,20 is 0.529, the object side of the first eyeglass 10 to aperture ST
Distance 1CT and aperture ST in optical axis L to the 6th eyeglass 60 image side surface in optical axis L the ratio of distance 2CT be
1.771Value be 0.895,Value be 0.1,Value be 0.135,Value be
0.25,Value be 0.86.In this way, six chip wide-angle lens 1 have lesser aberration, color difference, the temperature difference, stray light with
The curvature of field, and can be realized wide-angle, large aperture and the effect of miniaturization, moreover it is possible to the influence of tolerance is balanced, yield is improved, corrects temperature
Defocusing amount caused by variation, lateral chromatic aberration figure is as shown in Figure 1A, and its curvature of field and distortion figure are as shown in Figure 1B.
Referring to FIG. 2, illustrated is the second embodiment of the present invention, eyeglass configuration is similar to first embodiment, poor
Different place is that the object side of second eyeglass 20 of the present embodiment is concave surface, and the image side surface of third eyeglass 30 is concave surface, the 5th mirror
The object side of piece 50 is convex surface, and the image side surface of the 6th eyeglass 60 is convex surface.
The design parameter of six chip wide-angle lens 1 of the present embodiment is as shown in following table three:
Table three
In second embodiment, the object side of the second, the four, the 5th and the 6th eyeglass 20,40,50,60 and image side surface are
It is aspherical, and its face type meets following equation:
Wherein c=1/r, r are surface curvature radius, and h is height of the light on this surface, and k is conical surface coefficient, and A is the 4th
Level number, B are the 6th level number, and C is the 8th level number, and D is the tenth level number, and E is the tenth second order coefficient, and F is the tenth quadravalence
Coefficient, G are the 16th level number.Each aspherical parameter of second embodiment is as shown in following table four:
Table four
Based on previous designs, the system focal length f of the present embodiment is 2.3mm, and system length TTL is 20.32mm, maximum image height
The field angle at place is up to 130 degree, and f-number (f-number) is up to 2.0.
At this point, the ratio absolute value of the synthesis focal length value fr of the synthesis focal length value ff and second lens group G2 of the first lens group G1 is
0.657, the ratio of focal length value f1, f2 of the first, second eyeglass 10,20 is 1.05, the object side of the first eyeglass 10 to aperture ST
Distance 1CT and aperture ST of the image side surface in optical axis L to the 6th eyeglass 60 image side surface distance 2CT in optical axis L ratio
Value is 2.43,Value be 0.731,Value be 0.153,Value be 0.144,Value
It is 0.89,Value be 0.62.In this way, which six chip wide-angle lens 1 have lesser aberration, color difference, the temperature difference, spuious
Light and the curvature of field, and can be realized wide-angle, large aperture and the effect of miniaturization, moreover it is possible to the influence of tolerance is balanced, yield, amendment are improved
Defocusing amount caused by temperature change, lateral chromatic aberration figure is as shown in Figure 2 A, and its curvature of field and distortion figure are as shown in Figure 2 B.
Referring to FIG. 3, Fig. 3 show the third embodiment of the present invention, eyeglass configures, difference similar to first embodiment
Place is that the image side surface of the 6th eyeglass 60 of the present embodiment is convex surface, and the synthesis focal length value of the first lens group G1 is positive value.
The design parameter of six chip wide-angle lens 1 of 3rd embodiment is as shown in following table five:
Table five
In 3rd embodiment, the object side of the first, second, the four, the 5th and the 6th eyeglass 10,20,40,50,60 and picture
Side is aspherical, and its face type meets following equation:
Wherein c=1/r, r are surface curvature radius, and h is height of the light on this surface, and k is conical surface coefficient, and A is the 4th
Level number, B are the 6th level number, and C is the 8th level number, and D is the tenth level number, and E is the tenth second order coefficient, and F is the tenth quadravalence
Coefficient, G are the 16th level number.Each aspherical parameter of 3rd embodiment is as shown in following table six:
Table six
Based on previous designs, the system focal length f of the present embodiment is 2.08mm, and system length TTL is 20.32mm, maximum picture
The field angle of eminence is up to 150 degree, and f-number (f-number) is up to 2.0.
At this point, the ratio absolute value of the synthesis focal length value fr of the synthesis focal length value ff and second lens group G2 of the first lens group G1 is
8.805, the ratio of focal length value f1, f2 of the first, second eyeglass 10,20 is 0.942, the object side of the first eyeglass 10 to aperture ST
Distance 1CT and aperture ST in optical axis L to the 6th eyeglass 60 image side surface in optical axis L the ratio of distance 2CT be
2.764Value be 0.937,Value be 0.088,Value be 0.089,Value be
0.046,Value be 0.88.In this way, which six chip wide-angle lens 1 have lesser aberration, color difference, the temperature difference, stray light
With the curvature of field, and wide-angle, large aperture and the effect of miniaturization can be realized, moreover it is possible to balance the influence of tolerance, improve yield, amendment temperature
Defocusing amount caused by degree variation, lateral chromatic aberration figure is as shown in Figure 3A, and its curvature of field and distortion figure are as shown in Figure 3B.
Referring to FIG. 4, Fig. 4 show the fourth embodiment of the present invention, eyeglass configures, difference similar to first embodiment
Place is that the image side surface of the 6th eyeglass 60 of the present embodiment is convex surface, and the synthesis focal length value of the first lens group G1 is positive value.
The design parameter of six chip wide-angle lens 1 of fourth embodiment is as shown in following table seven:
Table seven
In fourth embodiment, the object side of the first, second, third, the 5th and the 6th eyeglass 10,20,30,50,60 and picture
Side is aspherical, and its face type meets following equation:
Wherein c=1/r, r are surface curvature radius, and h is height of the light on this surface, and k is conical surface coefficient, and A is the 4th
Level number, B are the 6th level number, and C is the 8th level number, and D is the tenth level number, and E is the tenth second order coefficient, and F is the tenth quadravalence
Coefficient, G are the 16th level number.Each aspherical parameter of fourth embodiment is as shown in following table eight:
Table eight
Based on previous designs, the system focal length f of the present embodiment is 1.92mm, and system length TTL is 21.17mm, maximum picture
The field angle of eminence is up to 116 degree, and f-number (f-number) is up to 2.0.
At this point, the ratio absolute value of the synthesis focal length value fr of the synthesis focal length value ff and second lens group G2 of the first lens group G1
It is 4.289, the ratio of focal length value f1, f2 of the first, second eyeglass 10,20 is 0.563, the object side of the first eyeglass 10 to aperture
The ST distance 1CT in optical axis L and aperture ST to the 6th eyeglass 60 image side surface in optical axis L the ratio of distance 2CT be
1.952Value be 0.757,Value be 0.1,Value be 0.103,Value be
0.084,Value be 0.85.In this way, which six chip wide-angle lens 1 have lesser aberration, color difference, the temperature difference, stray light
With the curvature of field, and wide-angle, large aperture and the effect of miniaturization can be realized, moreover it is possible to balance the influence of tolerance, improve yield, amendment temperature
Defocusing amount caused by degree variation, lateral chromatic aberration figure is as shown in Figure 4 A, and its curvature of field and distortion figure are as shown in Figure 4 B.
Claims (17)
1. a kind of six chip wide-angle lens, it is characterised in that the six chips wide-angle lens sequentially includes: by object side to image side
One first lens group, the second eyeglass and a refractive power that the first eyeglass being negative by a refractive power, a refractive power are negative are positive
Third eyeglass composition, first eyeglass is falcate eyeglass of the convex surface towards object side, and the image side surface of second eyeglass is
Concave surface, the object side of the third eyeglass are convex surface；
One aperture；
One second lens group, the 5th eyeglass and a refractive power being negative by the 4th eyeglass, a refractive power that a refractive power is positive are positive
The 6th eyeglass composition, the 4th eyeglass is biconvex eyeglass, and the image side surface of the 5th eyeglass is concave surface, the 6th eyeglass
Object side be convex surface, and the synthesis focal length value of the second lens group be positive value；
Wherein, the six chips wide-angle lens meets following relationship:
Wherein f1 is the focal length value of first eyeglass, and f2 is the focal length value of second eyeglass.
2. a kind of six chip wide-angle lens, it is characterised in that the six chips wide-angle lens sequentially includes: by object side to image side
One first lens group, the second eyeglass and a refractive power that the first eyeglass being negative by a refractive power, a refractive power are negative are positive
Third eyeglass composition, first eyeglass is falcate eyeglass of the convex surface towards object side, and the image side surface of second eyeglass is
Concave surface, the object side of the third eyeglass are convex surface；
One aperture；
One second lens group, the 5th eyeglass and a refractive power being negative by the 4th eyeglass, a refractive power that a refractive power is positive are positive
The 6th eyeglass composition, the 4th eyeglass is biconvex eyeglass, and the image side surface of the 5th eyeglass is concave surface, the 6th eyeglass
Object side be convex surface, and the synthesis focal length value of the second lens group be positive value；
Wherein, the six chips wide-angle lens meets following relationship:
Wherein ff is the synthesis focal length value of first lens group, and fr is the synthesis focal length value of the second lens group；
Wherein the image side surface of the 6th eyeglass is concave surface；
Wherein also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f5 is the focal length value of the 5th eyeglass, and f6 is described the
The focal length value of six eyeglasses, V5 are the abbe number of the 5th eyeglass, and V6 is the abbe number of the 6th eyeglass.
3. a kind of six chip wide-angle lens, it is characterised in that the six chips wide-angle lens sequentially includes: by object side to image side
One first lens group, the second eyeglass and a refractive power that the first eyeglass being negative by a refractive power, a refractive power are negative are positive
Third eyeglass composition, first eyeglass is falcate eyeglass of the convex surface towards object side, and the image side surface of second eyeglass is
Concave surface, the object side of the third eyeglass are convex surface；
One aperture；
One second lens group, the 5th eyeglass and a refractive power being negative by the 4th eyeglass, a refractive power that a refractive power is positive are positive
The 6th eyeglass composition, the 4th eyeglass is biconvex eyeglass, and the image side surface of the 5th eyeglass is concave surface, the 6th eyeglass
Object side be convex surface, and the synthesis focal length value of the second lens group be positive value；
Wherein, the six chips wide-angle lens meets following relationship:
Wherein ff is the synthesis focal length value of first lens group, and fr is the synthesis focal length value of the second lens group；
Wherein also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f3 is the focal length value of the third eyeglass, and f4 is described the
The focal length value of four eyeglasses.
4. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the object of second eyeglass
Side is convex surface.
5. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the object of second eyeglass
Side is concave surface.
6. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the picture of the third eyeglass
Side is convex surface.
7. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the picture of the third eyeglass
Side is concave surface.
8. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the object of the 5th eyeglass
Side is convex surface.
9. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the object of the 5th eyeglass
Side is concave surface.
10. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the picture of the 6th eyeglass
Side is convex surface.
11. six chips wide-angle lens as claimed in claim 1 or 3, it is characterised in that: the image side surface of the 6th eyeglass is recessed
Face.
12. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the conjunction of first lens group
It is positive value at focal length value.
13. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that: the conjunction of first lens group
It is negative value at focal length value.
14. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that also meet following relationship:
Wherein 1CT is distance of the object side of first eyeglass to aperture on an optical axis, and 2CT is the aperture to the 6th mirror
Distance of the image side surface of piece on the optical axis.
15. six chips wide-angle lens as claimed in claim 1 or 2, it is characterised in that also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f3 is the focal length value of the third eyeglass, and f4 is described the
The focal length value of four eyeglasses.
16. six chips wide-angle lens as claimed any one in claims 1 to 3, it is characterised in that also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f4 is the focal length value of the 4th eyeglass, and f5 is described the
The focal length value of five eyeglasses, V4 are the abbe number of the 4th eyeglass, and V5 is the abbe number of the 5th eyeglass.
17. six chips wide-angle lens as claimed in claim 1 or 3, it is characterised in that also meet following relationship:
Wherein f is the system focal length value of the six chips wide-angle lens, and f5 is the focal length value of the 5th eyeglass, and f6 is described the
The focal length value of six eyeglasses, V5 are the abbe number of the 5th eyeglass, and V6 is the abbe number of the 6th eyeglass.
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| CN106932890B (en) * | 2017-05-04 | 2022-05-13 | 威海嘉瑞光电科技股份有限公司 | Intelligent vehicle-mounted wide-angle lens |
| CN107861227B (en) * | 2017-09-22 | 2019-03-01 | 江西佳鼎光电科技有限公司 | A kind of high-definition night-viewing wide-angle lens and preparation method thereof |
| CN108983401B (en) * | 2018-10-10 | 2023-08-04 | 浙江舜宇光学有限公司 | Optical lens group |
| CN109445077B (en) * | 2019-01-10 | 2021-10-29 | 宁波舜宇车载光学技术有限公司 | Optical lens and imaging apparatus |
| WO2022047796A1 (en) * | 2020-09-07 | 2022-03-10 | 欧菲光集团股份有限公司 | Optical lens assembly, lens module, and electronic device |
| CN113050256B (en) * | 2021-04-28 | 2022-08-09 | 天津欧菲光电有限公司 | Optical lens, camera module, electronic equipment and automobile |
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