CN209327667U - A kind of big clear aperature industrial lens system - Google Patents
A kind of big clear aperature industrial lens system Download PDFInfo
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- CN209327667U CN209327667U CN201920142772.7U CN201920142772U CN209327667U CN 209327667 U CN209327667 U CN 209327667U CN 201920142772 U CN201920142772 U CN 201920142772U CN 209327667 U CN209327667 U CN 209327667U
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Abstract
The utility model relates to lens technology fields, specifically a kind of big clear aperature industrial lens system, including first single positive spheric glass, second single positive spheric glass, the negative spheric glass of third list, diaphragm, the 5th single negative spheric glass, the 6th single positive spheric glass, the 7th single positive spheric glass, the 8th single positive spheric glass, the 9th single positive spheric glass and the tenth single negative spheric glass, between the negative spheric glass of third list and the 5th single negative spheric glass, the 9th single positive spheric glass and the tenth single negative spheric glass group are combined into bonding eyeglass for diaphragm setting.The F.NO value of the big clear aperature industrial lens system reaches 1.0, focal length is 25mm, it is applicable in the application of 2/3 camera chip, structure is simple, at low cost, small in size, dark situation and is not suitable for the field of polishing and can quickly popularize, tenth single negative spheric glass uses glass of high refractive index, 8th single positive spheric glass uses low abbe number glass, the aberration being effectively reduced in optical system.
Description
Technical field
The utility model relates to lens technology field, specifically a kind of big clear aperature industrial lens system.
Background technique
It is biggish since ordinary optical camera lens is 2.0 or so with respect to clear aperature value (F.NO) in NI Vision Builder for Automated Inspection
The case where clear aperature also only has 1.4, and some environment are than darker and unsuitable polishing detection is difficult to reach requirement.
With the rapid growth of modern industrial production, the development of industrial detection is also more and more mature, and application environment is also more next
More complicated, for some environment than darker and unsuitable polishing environment, common camera lens are difficult to realize since clear aperature is small
Detection.
The utility model is designed primarily directed to some environment than detecting problem in the environment of darker and unsuitable polishing.
The utility model F.NO value reaches 1.0, and focal length 25mm is applicable in the application of 2/3 camera chip.It is the more commonly used coke of existing market
Away from section and camera.
Utility model content
The purpose of this utility model is to provide a kind of big clear aperature industrial lens systems, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of big clear aperature industrial lens system, including first single positive spheric glass, the second single positive spheric glass, third
Single negative spheric glass, diaphragm, the negative spheric glass of the 5th list, the 6th single positive spheric glass, the 7th single positive spheric glass, the 8th list are just
Spheric glass, the 9th single positive spheric glass and the tenth single negative spheric glass, diaphragm are arranged in the negative spheric glass of third list and the 5th
Between single negative spheric glass, the 9th single positive spheric glass and the tenth single negative spheric glass group are combined into bonding eyeglass.
As a further solution of the present invention: described first single positive spheric glass is lenticular positive lens.
Described second single positive spheric glass is the positive lens of convex concave as a further solution of the present invention, is opened
Mouthful direction is towards image planes.
The negative spheric glass of third list is concave concave negative lens as a further solution of the present invention,.
The described 5th single negative spheric glass is the negative lens of convex concave as a further solution of the present invention, is opened
Mouthful direction is towards object plane.
The described 6th single positive spheric glass is the positive lens of convex concave as a further solution of the present invention, is opened
Mouthful direction is towards object plane.
As a further solution of the present invention, the described 7th only positive spheric glass be that lenticular spherical surface is saturating
Mirror.
As a further solution of the present invention, the described 8th only positive spheric glass be that lenticular spherical surface is saturating
Mirror.
The described 9th single positive spheric glass is the positive lens of convex concave as a further solution of the present invention, is opened
Mouthful direction is towards image planes.
The described tenth single negative spheric glass is the negative lens of convex concave as a further solution of the present invention, is opened
Mouthful direction is towards image planes.
The big clear aperature industrial lens system as a further solution of the present invention, wherein one group of optics
System satisfies the following conditional expression:
F.NO=1.0, EFL=25mm, TTL=50mm
Wherein, F.NO is camera lens relative aperture, and EFL is the effective focal length of camera lens, and TTL is the optics total length of camera lens.
The big clear aperature industrial lens system as a further solution of the present invention, wherein one group of optics
System satisfies the following conditional expression:
F/f1=0.57, f1=44.02mm
F/f2=0.73, f2=34.25mm
F/f3=- 1.38, f3=- 18.11mm
F/f4=- 1.38, f4=- 18.17mm
F/f5=0.65, f5=38.55mm
F/f6=1.01, f6=24.68mm
F/f7=0.48, f7=52.05mm
F/f8=0.36, f8=70.33mm
F/f9=- 0.42, f9=- 58.94mm
Wherein, f is the effective focal length of camera lens, and f1 is that focal length, the f2 of first single positive spheric glass are second single positive spherical mirror
Focal length, the f5 that focal length, the f3 of piece are the focal length of the negative spheric glass of third list, f4 is the 5th single negative spheric glass are the 6th Dan Zhengqiu
Focal length, the f6 of face eyeglass are that focal length, the f8 that focal length, the f7 of the 7th single positive spheric glass are the 8th single positive spheric glass are the 9th single
Focal length, the f9 of positive spheric glass are the focal length of the tenth single negative spheric glass.
The glass material of the big clear aperature industrial lens system is full as a further solution of the present invention,
Foot:
First single positive spheric glass material meets: 1.7 < Nd < 1.85,45 < Vd < 55
Second single positive spheric glass material meets: 1.7 < Nd < 1.85,48 < Vd < 58
The negative spheric glass material of third list meets: 1.65 < Nd < 1.8,22 < Vd < 35
5th single negative spheric glass material meets: 1.65 < Nd < 1.8,22 < Vd < 35
6th single positive spheric glass material meets: 1.7 < Nd < 1.85,48 < Vd < 58
7th single positive spheric glass material meets: 1.7 < Nd < 1.85,45 < Vd < 55
8th single positive spheric glass material meets: 1.55 < Nd < 1.7,55 < Vd < 70
9th single positive spheric glass material meets: 1.7 < Nd < 1.85,45 < Vd < 55
Tenth single negative spheric glass material meets: 1.75 < Nd < 1.95,17 < Vd < 30.
Compared with prior art, the utility model has the beneficial effects that
The F.NO value of the big clear aperature industrial lens system reaches 1.0, focal length 25mm, is applicable in 2/3 camera chip
Using being the more commonly used focal length section of existing market and camera, structure is simple, at low cost, small in size, dark situation and is not suitable for polishing
Field can quickly popularize, the material that the tenth single negative spheric glass uses is glass of high refractive index, the 8th single positive spheric glass
For the material used for low abbe number glass, the aberration being effectively reduced in optical system not only makes structure simple, production
It is convenient, and imaging effect is improved, it reduces the production cost.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the sectional view of first single positive spheric glass in the utility model.
Fig. 3 is the sectional view of second single positive spheric glass in the utility model.
Fig. 4 is the sectional view of the negative spheric glass of third list in the utility model.
Fig. 5 is the sectional view of the 5th single negative spheric glass in the utility model.
Fig. 6 is the sectional view of the 6th single positive spheric glass in the utility model.
Fig. 7 is the sectional view of the 7th single positive spheric glass in the utility model.
Fig. 8 is the sectional view of the 8th single positive spheric glass in the utility model.
Fig. 9 is the sectional view of the 9th single positive spheric glass in the utility model.
Figure 10 is the sectional view of the tenth single negative spheric glass in the utility model.
In figure: the single positive spheric glass of 1- first, the single positive spheric glass of 2- second, the negative spheric glass of 3- third list, 4- diaphragm,
The single positive spheric glass of the single negative spheric glass of 5- the 5th, 6- the 6th, the single positive spheric glass of 7- the 7th, the single positive spheric glass of 8- the 8th,
The single positive spheric glass of 9- the 9th, the single negative spheric glass of 10- the tenth.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, in the utility model embodiment, a kind of big clear aperature industrial lens system, including the first list is just
The single negative spheric glass the 5, the 6th of the single positive spheric glass 2 of spheric glass 1, second, the negative spheric glass 3 of third list, diaphragm the 4, the 5th is single
Positive single positive the 7, the 8th list of spheric glass of spheric glass the 6, the 7th just single positive spheric glass 9 of spheric glass the 8, the 9th and the tenth single negative ball
Face eyeglass 10, the setting of diaphragm 4 is between the negative spheric glass 3 of third list and the 5th single negative spheric glass 5, the 9th single positive spheric glass
9 and the tenth single negative 10 groups of spheric glass be combined into bonding eyeglass.
Please refer to Fig. 1 and Fig. 2, described first single positive spheric glass 1 is lenticular positive lens, and R11, R12 are respectively the
The abbe number Vd of front surface, the radius of curvature of rear surface of one single positive spheric glass 1, first single positive spheric glass 1 is 49.6,
Specific refractivity Nd is 1.77；Its towards object space front surface radius of curvature R 11 be 35 < R11 < 50mm, towards image space after table
The radius of curvature R 12 in face is -200 < R12 < -100mm, and core thickness d1 is 2.5 < d1 < 4mm, in the present embodiment, towards object space
The radius of curvature R 11 of front surface is 42.7mm, and the radius of curvature R 12 towards image space rear surface is -164.4mm, and core is thick
D1 is 3.3mm.
Please refer to Fig. 1 and Fig. 3, described second single positive spheric glass 2 is the positive lens of convex concave, opening direction towards image planes,
R21, R22 are respectively the front surface of lens, the radius of curvature of rear surface, and the abbe number Vd of second single positive spheric glass 2 is
52.3, specific refractivity Nd are 1.76；Its towards object space front surface radius of curvature R 21 be 13 < R21 < 25mm, towards image space
The radius of curvature R 22 of rear surface is 50 < R22 < 65mm, and core thickness d3 is 3 < d3 < 4.5mm, in the present embodiment, towards object space
The radius of curvature R 21 of front surface is 18.4mm, and the radius of curvature R 22 towards image space rear surface is 58.2mm, core thickness d3
For 3.7mm, distance d2 is between adjacent surface at second single positive spheric glass 2 and aforementioned first single positive 1 center of spheric glass
5.48mm。
Fig. 1 and Fig. 4 are please referred to, the negative spheric glass 3 of third list is concave concave negative lens, and R31, R32 are respectively saturating
Front surface, the radius of curvature of rear surface of mirror, the abbe number Vd of the negative spheric glass 3 of third list are 29.5, specific refractivity Nd
It is 1.72；Its towards object space front surface radius of curvature R 31 be -170 < R31 < -100mm, towards the curvature of image space rear surface
Radius R32 is 10 < R32 < 20mm, and core thickness d5 is 1.8 < d5 < 3mm, in the present embodiment, towards the curvature of object space front surface
Radius R31 is -134.3mm, and the radius of curvature R 32 towards image space rear surface is 14.6mm, and core thickness d5 is 2.38mm, the
Distance d4 is 0.91mm between adjacent surface at three single negative spheric glasses 3 and aforementioned second single positive 2 center of spheric glass.
Please refer to Fig. 1 and Fig. 5, the described 5th single negative spheric glass 5 is the negative lens of convex concave, opening direction towards object plane,
R41, R42 are respectively the front surface of lens, the radius of curvature of rear surface, and the abbe number Vd of the 5th single positive spheric glass 5 is
29.5, specific refractivity Nd are 1.72；Its towards object space front surface radius of curvature R 41 be -15 < R41 < -10mm, towards picture
The radius of curvature R 22 of square rear surface is -220 < R42 < -150mm, and core thickness d8 is 3 < d8 < 8mm, in the present embodiment, direction
The radius of curvature R 41 of object space front surface is -12.25mm, and the radius of curvature R 42 towards image space rear surface is -192.91mm,
Core thickness d8 is 1mm, has diaphragm 4, the negative ball of third list among the 5th single negative spheric glass 5 and the negative spheric glass 3 of aforementioned third list
Distance d6 is 3.6mm, distance d3 between the 5th single negative 5 center of spheric glass and diaphragm 4 between diaphragm 4 at 3 center of face eyeglass
For 4.16mm.
Please refer to Fig. 1 and Fig. 6, the described 6th single positive spheric glass 6 is the positive lens of convex concave, opening direction towards object plane,
R51, R52 are respectively the front surface of lens, the radius of curvature of rear surface, and the abbe number Vd of the 6th single positive spheric glass 6 is
52.3, specific refractivity Nd are 1.76；Its towards object space front surface radius of curvature R 51 be -50 < R51 < -25mm, towards picture
The radius of curvature R 52 of square rear surface is -20 < R52 < -10mm, and core thickness d6 is 2 < d6 < 5mm, in the present embodiment, towards object
The radius of curvature R 51 of square front surface is -34.85mm, and the radius of curvature R 52 towards image space rear surface is -16.44mm, wherein
Core thickness d10 is 2.83mm, the spacing of the 6th single positive spheric glass 6 and adjacent surface at the aforementioned 5th single negative 5 center of spheric glass
It is 0.75mm from d9.
Fig. 1 and Fig. 7 are please referred to, the described 7th single positive spheric glass 7 is lenticular positive lens, and R61, R62 are respectively saturating
The abbe number Vd of front surface, the radius of curvature of rear surface of mirror, the 7th single positive spheric glass 7 is 49.6, specific refractivity Nd
It is 1.77；Its towards the radius of curvature R 61 of object space front surface be 100 < R61 < 180mm, towards the curvature half of image space rear surface
Diameter R62 is -25 < R62 < -20mm, and core thickness d12 is 3 < d12 < 4mm, in the present embodiment, towards the curvature of object space front surface
Radius R61 is 147.2mm, and the radius of curvature R 62 towards image space rear surface is -21.77mm, and core thickness d12 is 3.44mm,
Distance d11 is 0.1mm between adjacent surface at 7th single positive spheric glass 7 and aforementioned 6th single positive 6 center of spheric glass.
Fig. 1 and Fig. 8 are please referred to, the described 8th single positive spheric glass 8 is the positive lens of convex concave, and R71, R72 are respectively saturating
The abbe number Vd of front surface, the radius of curvature of rear surface of mirror, the 8th single positive spheric glass 8 is 63.4, specific refractivity Nd
It is 1.62；Its towards object space front surface radius of curvature R 71 be 22 < R71 < 36mm, towards the radius of curvature of image space rear surface
R72 is 200 < R72 < 350mm, and core thickness d14 is 2 < d14 < 3mm, in the present embodiment, towards the curvature half of object space front surface
Diameter R71 be 29.1mm, towards image space rear surface radius of curvature R 72 be 285.8mm, core thickness d14 be 2.57mm, the 8th
Distance d13 is 0.1mm between adjacent surface at single positive spheric glass 8 and aforementioned 7th single positive 7 center of spheric glass.
Please refer to Fig. 1 and Fig. 9, the described 9th single positive spheric glass 9 is the positive lens of convex concave, opening direction towards image planes,
R81, R82 are respectively the front surface of lens, the radius of curvature of rear surface, and the abbe number Vd of the 9th single positive spheric glass 9 is
49.6, specific refractivity Nd are 1.77；Its towards object space front surface radius of curvature R 81 be 10 < R81 < 20mm, towards image space
The radius of curvature R 82 of rear surface is 15 < R82 < 25mm, and core thickness d16 is 2.5 < d16 < 3.5mm, in the present embodiment, direction
The radius of curvature R 71 of object space front surface is 15.76mm, and the radius of curvature R 72 towards image space rear surface is 20.31mm, wherein
Core thickness d16 is 3.03mm, the spacing of the 9th single positive spheric glass 9 and adjacent surface at the aforementioned 8th single positive 8 center of spheric glass
It is 0.1mm from d15.
Please refer to Fig. 1 and Figure 10, the described tenth single negative spheric glass 10 is lenticular negative lens, and opening direction is towards picture
Face, R91, R92 are respectively the front surface of lens, the radius of curvature of rear surface, the abbe number Vd of the tenth single negative spheric glass 10
It is 23.8, specific refractivity Nd is 1.85, and the radius of curvature R 91 towards object space front surface is 10 < R91 < 16mm, towards picture
The radius of curvature R 92 of square rear surface is 15 < R92 < 25mm, and core thickness d17 is 1.5 < d17 < 2.5mm, in the present embodiment, court
It is 20.31mm to the radius of curvature R 91 of object space front surface, the radius of curvature R 92 towards image space rear surface is 13.82mm,
Core thickness d17 is 1.96mm, and the tenth single negative spheric glass 10 is bonding lens set with the aforementioned 9th single positive spheric glass 9.
The big clear aperature industrial lens system, wherein one group of optical system characteristics is: it satisfies the following conditional expression:
F.NO=1.0, EFL=25mm, TTL=50mm
Wherein F.NO is camera lens relative aperture, and EFL is the effective focal length of camera lens, and TTL is the optics total length (first of camera lens
Length of single eyeglass vertex to imaging surface).Further, big clear aperature industrial lens system, wherein one group of optical system
It satisfies the following conditional expression:
F/f1=0.57, f1=44.02mm
F/f2=0.73, f2=34.25mm
F/f3=- 1.38, f3=- 18.11mm
F/f4=- 1.38, f4=- 18.17mm
F/f5=0.65, f5=38.55mm
F/f6=1.01, f6=24.68mm
F/f7=0.48, f7=52.05mm
F/f8=0.36, f8=70.33mm
F/f9=- 0.42, f9=- 58.94mm
Wherein f is the effective focal length of camera lens, and f1 is that focal length, the f2 of first single positive spheric glass 1 are second single positive spherical mirror
Focal length, the f3 of piece 2 are that focal length, the f5 that focal length, the f4 of the negative spheric glass 3 of third list are the 5th single negative spheric glass 5 are the 6th single
Focal length, the f6 of positive spheric glass 6 are focal length, the f8 that focal length, the f7 of the 7th single positive spheric glass 7 are the 8th single positive spheric glass 8
Focal length, f9 for the 9th single positive spheric glass 9 are the focal length of the tenth single negative spheric glass 10.
The big clear aperature industrial lens system, glass material meet:
First single positive 1 material of spheric glass meets: 1.7 < Nd < 1.85,45 < Vd < 55
Second single positive 2 material of spheric glass meets: 1.7 < Nd < 1.85,48 < Vd < 58
Negative 3 material of spheric glass of third list meets: 1.65 < Nd < 1.8,22 < Vd < 35
5th single negative 5 material of spheric glass meets: 1.65 < Nd < 1.8,22 < Vd < 35
6th single positive 6 material of spheric glass meets: 1.7 < Nd < 1.85,48 < Vd < 58
7th single positive 7 material of spheric glass meets: 1.7 < Nd < 1.85,45 < Vd < 55
8th single positive 8 material of spheric glass meets: 1.55 < Nd < 1.7,55 < Vd < 70
9th single positive 9 material of spheric glass meets: 1.7 < Nd < 1.85,45 < Vd < 55
Tenth single negative 10 material of spheric glass meets: 1.75 < Nd < 1.95,17 < Vd < 30
The big clear aperature industrial lens system, the material that the tenth single negative spheric glass 10 uses for glass of high refractive index,
The material that 8th single positive spheric glass 8 uses is low abbe number glass, the aberration being effectively reduced in optical system, not only
So that structure is simple, it is easy to make, and imaging effect is improved, it reduces the production cost.
The utility model is designed primarily directed to some environment than detecting problem in the environment of darker and unsuitable polishing.
The utility model F.NO value reaches 1.0, and focal length 25mm is applicable in the application of 2/3 camera chip.It is the more commonly used coke of existing market
Away from section and camera.
The big clear aperature industrial lens system structure is simple, at low cost, small in size, dark situation and the neck for being not suitable for polishing
Domain can quickly be popularized.
The better embodiment of the utility model is explained in detail above, but the utility model be not limited to it is above-mentioned
Embodiment can also not depart from the utility model ancestor within the knowledge of one of ordinary skill in the art
Various changes can be made under the premise of purport.
Claims (10)
1. a kind of big clear aperature industrial lens system, which is characterized in that just including first single positive spheric glass (1), the second list
Spheric glass (2), the negative spheric glass of third list (3), diaphragm (4), the 5th single negative spheric glass (5), the 6th single positive spheric glass
(6), the 7th single positive spheric glass (7), the 8th single positive spheric glass (8), the 9th single positive spheric glass (9) and the tenth single negative spherical surface
Eyeglass (10), diaphragm (4) setting is between the negative spheric glass of third list (3) and the 5th single negative spheric glass (5), the 9th Dan Zhengqiu
Face eyeglass (9) is combined into bonding eyeglass with the tenth single negative spheric glass (10) group.
2. big clear aperature industrial lens system according to claim 1, which is characterized in that described first single positive spherical mirror
Piece (1) is lenticular positive lens, and second single positive spheric glass (2) is the positive lens of convex concave, and opening direction is towards image planes.
3. big clear aperature industrial lens system according to claim 2, which is characterized in that the negative spherical mirror of third list
Piece (3) is concave concave negative lens, and the 5th single negative spheric glass (5) is the negative lens of convex concave, and opening direction is towards object plane.
4. big clear aperature industrial lens system according to claim 3, which is characterized in that the described 6th single positive spherical mirror
Piece (6) is the positive lens of convex concave, and opening direction is towards object plane.
5. big clear aperature industrial lens system according to claim 4, which is characterized in that the described 7th only positive spherical surface
Eyeglass (7) is lenticular spherical lens.
6. big clear aperature industrial lens system according to claim 5, which is characterized in that the described 8th only positive spherical surface
Eyeglass (8) is lenticular spherical lens.
7. big clear aperature industrial lens system according to claim 6, which is characterized in that the described 9th single positive spherical mirror
Piece (9) is the positive lens of convex concave, and opening direction is towards image planes.
8. big clear aperature industrial lens system according to claim 7, which is characterized in that the described tenth single negative spherical mirror
Piece (10) is the negative lens of convex concave, and opening direction is towards image planes.
9. -8 any big clear aperature industrial lens system according to claim 1, which is characterized in that the big light hole
Wherein one group of optical system of diameter industrial lens system satisfies the following conditional expression:
F.NO=1.0, EFL=25mm, TTL=50mm
Wherein, F.NO is camera lens relative aperture, and EFL is the effective focal length of camera lens, and TTL is the optics total length of camera lens.
10. big clear aperature industrial lens system according to claim 9, which is characterized in that the big clear aperature work
Wherein one group of optical system of industry lens system satisfies the following conditional expression:
F/f1=0.57, f1=44.02mm
F/f2=0.73, f2=34.25mm
F/f3=- 1.38, f3=- 18.11mm
F/f4=- 1.38, f4=- 18.17mm
F/f5=0.65, f5=38.55mm
F/f6=1.01, f6=24.68mm
F/f7=0.48, f7=52.05mm
F/f8=0.36, f8=70.33mm
F/f9=- 0.42, f9=- 58.94mm
Wherein, f is the effective focal length of camera lens, and f1 is that focal length, the f2 of first single positive spheric glass (1) are second single positive spheric glass
(2) focal length, f3 is the focal length of the negative spheric glass of third list (3), f4 is the focal length of the 5th single negative spheric glass (5), f5 the
Focal length, the f6 of six single positive spheric glasses (6) are that focal length, the f7 of the 7th single positive spheric glass (7) are the 8th single positive spheric glass (8)
Focal length, the focal length that focal length, the f9 that f8 is the 9th single positive spheric glass (9) be the tenth single negative spheric glass (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142772.7U CN209327667U (en) | 2019-01-28 | 2019-01-28 | A kind of big clear aperature industrial lens system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142772.7U CN209327667U (en) | 2019-01-28 | 2019-01-28 | A kind of big clear aperature industrial lens system |
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| CN209327667U true CN209327667U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542979A (en) * | 2019-01-28 | 2019-12-06 | 广州长步道光电科技有限公司 | Large-light-transmission-aperture industrial lens system |
-
2019
- 2019-01-28 CN CN201920142772.7U patent/CN209327667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542979A (en) * | 2019-01-28 | 2019-12-06 | 广州长步道光电科技有限公司 | Large-light-transmission-aperture industrial lens system |
| CN110542979B (en) * | 2019-01-28 | 2023-08-25 | 湖南长步道光学科技有限公司 | Industrial lens system with large clear aperture |
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Effective date of registration: 20220517 Address after: No. 8, Hongda Road, Hongtang village, Tongsheng street, Yuhua District, Changsha City, Hunan Province, 410116 Patentee after: HUNAN CHIOPT OPTICAL TECHNOLOGY Co.,Ltd. Address before: 511442 2nd floor, No.1 Workshop, Jinshan Industrial Park, pengdizhuang, lirendong village, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHIOPT OPTOTECH Co.,Ltd. |