CN208537819U - A kind of bugeye lens - Google Patents
A kind of bugeye lens Download PDFInfo
- Publication number
- CN208537819U CN208537819U CN201821269451.5U CN201821269451U CN208537819U CN 208537819 U CN208537819 U CN 208537819U CN 201821269451 U CN201821269451 U CN 201821269451U CN 208537819 U CN208537819 U CN 208537819U
- Authority
- CN
- China
- Prior art keywords
- lens
- equal
- bugeye
- refractive index
- abbe number
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of bugeye lenses, in lens barrel by object side to image side be disposed with focal power be sequentially negative, negative, positive, negative, positive, negative, positive and positive the first lens to the 8th lens totally 8 lens, first lens, the second lens and the third lens are the first lens group, 4th lens to the 8th lens are the second lens group, and the ratio between the focal length of the first lens group and the focal length of the second lens group are greater than 3.Wherein the 4th lens are biconcave lens, and the 5th lens are biconvex lens, and the 6th lens are falcate non-spherical lens of the convex surface towards the image side；The material of 6th lens is uv-curable glue；4th lens, the 5th lens and the 6th lens form balsaming lens of the convex surface towards image side.The utility model moulds hybrid optical structure by the glass of 8 eyeglasses composition, is made into non-spherical lens using ultra-violet curing glue, solves that the angle of view is not big enough, optics overall length is bigger than normal, as the technical problems such as plane chief ray incidence angles are bigger than normal.
Description
Technical field
The utility model relates to optical field more particularly to a kind of bugeye lenses.
Background technique
In recent years, in terms of safety-security area, with constantly bringing forth new ideas for image sensor technologies, image quality is also constantly being mentioned
Height, market are also higher and higher to requirements such as resolving power, the apertures of safety monitoring camera lens, such as corresponding 1/1.8 " imaging sensor
Horizontal field of view angle >=110 °, purple boundary that F/# (i.e. F number) requires that 1.8 or less, resolving power requirement 4K is extremely clear, imaging requirements disappear.Patent
Camera lens disclosed in number CN107526155A, using the framework of 4 glass lens and 3 plastic lens, diagonal angles of visual field
At 120 ° or so, it is unsatisfactory for field angle and is greater than requirement equal to 140 °, and as plane chief ray incidence angles (i.e. CRA) are bigger than normal.
Camera lens disclosed in patent No. CN107367828A, using the framework of 5 glass lens and 3 plastic lens, optics overall length compared with
Greatly, it is difficult within control to 28mm.
Utility model content
The purpose of the utility model is to provide a kind of bugeye lenses, to solve the level of bugeye lens in the prior art
The problem that field angle is less than normal and optics overall length is bigger than normal.
A kind of bugeye lens, lens barrel is interior to be disposed with the first lens group and the second lens group by object side to image side；Institute
The ratio between the focal length of the first lens group and the focal length of second lens group are stated greater than 3；
It is saturating that first lens group by the object side to the image side is disposed with the first lens, the second lens and third
Mirror；First power of lens is negative, and second power of lens is negative, and the focal power of the third lens is
Just；
Second lens group is disposed with the 4th lens, the 5th lens, the 6th thoroughly by the object side to the image side
Mirror, the 7th lens and the 8th lens；4th power of lens is negative, and the 5th power of lens is positive, described
6th power of lens is negative, and the 7th power of lens is positive, and the 8th power of lens is positive；
4th lens are biconcave lens, and the 5th lens are biconvex lens, and the 6th lens are convex surface direction
The falcate non-spherical lens of the image side；The material of 6th lens is uv-curable glue；4th lens, described
Five lens and the 6th lens form balsaming lens of the convex surface towards the image side.
Optionally, first lens are meniscus shaped lens of the convex surface towards the object side, and second lens are concave-concave
Lens, the third lens are biconvex lens, and the 7th lens are biconvex lens, and the 8th lens are biconvex lens.
Optionally, the refractive index of first lens is more than or equal to 1.70, and Abbe number is more than or equal to 40；Second lens
Refractive index be less than or equal to 1.65, Abbe number be less than or equal to 30；The refractive index of the third lens is more than or equal to 1.85, Abbe number
Less than or equal to 25；The refractive index of 4th lens is more than or equal to 1.85, and Abbe number is less than or equal to 25；The folding of 5th lens
Rate is penetrated less than or equal to 1.65, Abbe number is more than or equal to 55；The refractive index of 7th lens is less than or equal to 1.60, and Abbe number is greater than
Equal to 50；The refractive index of 8th lens is less than or equal to 1.60, and Abbe number is more than or equal to 50.
Optionally, the difference of the refractive index of the refractive index and the 5th lens of the 4th lens is more than or equal to 0.25,
The difference of the Abbe number of the Abbe number and the 5th lens of 4th lens is more than or equal to 30.
Optionally, second lens, the 6th lens, the 7th lens and the 8th lens are aspherical
Mirror；
Second lens, the 6th lens, the 7th lens and the 8th lens face type meet formula
(1),
In formula, z is the rise along optical axis direction, and r is the distance that optical axis is a little arrived on the optical surface of non-spherical lens,
C is the curvature of the optical surface, and k is the quadratic surface constant of the optical surface, α1For the asphericity coefficient of 2 ranks, α2For 4 ranks
Asphericity coefficient, α3For the asphericity coefficient of 6 ranks, α4For the asphericity coefficient of 8 ranks, α5For the asphericity coefficient of 10 ranks, α6It is 12
The asphericity coefficient of rank, α7For the asphericity coefficient of 14 ranks, α8For the asphericity coefficient of 16 ranks.
Optionally, the material of first lens, the third lens, the 4th lens and the 5th lens is glass
Glass；The material of second lens, the 7th lens and the 8th lens is plastics.
Optionally, the bugeye lens further includes diaphragm, and the diaphragm is set to the third lens and the described 4th
Between lens.
Optionally, the bugeye lens further includes optical filter, and the optical filter is set to the 8th lens and described
Between image side, the optical filter is cutoff filter.
Optionally, the spacing of the optical filter and the 8th lens is 0.5 millimeter.
Optionally, the relationship between the refractive index and lambda1-wavelength of the ultra-violet curing glue meets formula at 25 DEG C
(2):
Wherein, n indicates refractive index；λ indicates lambda1-wavelength, and λ unit is nanometer.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
The bugeye lens of the utility model, in lens barrel by object side to image side be disposed with focal power be sequentially negative, bear,
It is positive and negative, positive and negative, just and the first positive lens to the 8th lens, totally 8 lens, the first lens, the second lens and the third lens are
First lens group, the 4th lens to the 8th lens are the second lens group, the focal length of the focal length of the first lens group and the second lens group
The ratio between be greater than 3.Wherein the 4th lens are biconcave lens, and the 5th lens are biconvex lens, and the 6th lens are convex surface towards the picture
The falcate non-spherical lens of side；The material of 6th lens is uv-curable glue；4th lens, the 5th lens and the 6th lens group
At a convex surface towards the balsaming lens of image side.The utility model moulds hybrid optical structure by the glass of 8 eyeglass compositions, utilizes
Ultra-violet curing glue is made into non-spherical lens, solves that the angle of view is not big enough, optics overall length is bigger than normal, as plane chief ray enters
The technical problems such as firing angle is bigger than normal.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of bugeye lens embodiment provided by the utility model；
Fig. 2 is point of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Column figure；
Fig. 3 is the bugeye lens in the utility model specific embodiment at 436nm to 656nm visible light wave range
MTF curve figure；
Fig. 4 is field of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Song/distortion curve；
Fig. 5 is phase of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Compare line chart of writing music；
Fig. 6 be the utility model specific embodiment in bugeye lens at 436nm to 656nm visible light wave range from
Burnt MTF curve figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of bugeye lenses, to solve the level of bugeye lens in the prior art
The problem that field angle is less than normal and optics overall length is bigger than normal.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the structural schematic diagram of bugeye lens embodiment provided by the utility model, as shown in Figure 1, a kind of super
Wide-angle lens, lens barrel is interior to be disposed with the first lens group and the second lens group by object side to image side 11；The coke of first lens group
It is greater than 3 away from the ratio between the focal length with the second lens group；
First lens group is disposed with the first lens 1, the second lens 2 and the third lens 3 by object side to image side 11；First
The focal power of lens 1 is negative, and the focal power of the second lens 2 is negative, and the focal power of the third lens 3 is positive；
Second lens group is disposed with the 4th lens 5, the 5th lens 6, the 6th lens the 7, the 7th by object side to image side 11
Lens 8 and the 8th lens 9；The focal power of 4th lens 5 is negative, and the focal power of the 5th lens 6 is positive, the light focus of the 6th lens 7
Degree is negative, and the focal power of the 7th lens 8 is positive, and the focal power of the 8th lens 9 is positive；
4th lens 5 are biconcave lens, and the 5th lens 6 are biconvex lens, and the 6th lens 7 are convex surface towards the curved of image side 11
Month shape non-spherical lens；The material of 6th lens 7 is uv-curable glue；4th lens 5, the 5th lens 6 and the 6th lens 7 composition
Balsaming lens of one convex surface towards image side 11.5th lens 6 and the 6th lens 7 are glued together, make the side of the 6th lens 7
Method is to instill the uv-curable glue water of liquid condition in aspherical module, then buckles into the 5th lens 6 in aspherical module,
The center thickness TC of the 6th lens 7 and the eccentricity of entirety are monitored, with regard to carrying out ultra-violet curing, demoulding and disappear and answer in the margin of tolerance
Power processing, obtains the 6th lens 7.
In practical applications, the first lens 1 are meniscus shaped lens of the convex surface towards object side, and the second lens 2 are biconcave lens,
The third lens 3 are biconvex lens, and the 7th lens 8 are biconvex lens, and the 8th lens 9 are biconvex lens.
In practical applications, the first lens 1 are the falcate glass lens of high refractive index, low dispersion, the folding of the first lens 1
Rate is penetrated more than or equal to 1.70, Abbe number is more than or equal to 40；Second lens 2 are the double concave plastics aspheric of low-refraction, high dispersion
Face lens, the refractive index of the second lens 2 are less than or equal to 1.65, and Abbe number is less than or equal to 30；The third lens 3 are high refractive index, height
The lenticular glass lens of dispersion, the refractive index of the third lens 3 are more than or equal to 1.85, and Abbe number is less than or equal to 25；4th lens 5
For high refractive index, the double concave glass lens of high dispersion, the refractive index of the 4th lens 5 is more than or equal to 1.85, and Abbe number is less than etc.
In 25；5th lens 6 are the lenticular glass lens of low-refraction, high dispersion, and the refractive index of the 5th lens 6 is less than or equal to
1.65, Abbe number is more than or equal to 55；7th lens 8 are the lenticular plastic aspheric lens of low-refraction, high dispersion, and the 7th thoroughly
The refractive index of mirror 8 is less than or equal to 1.60, and Abbe number is more than or equal to 50；8th lens 9 are the biconvex shaped plastic of low-refraction, high dispersion
Expect non-spherical lens, the refractive index of the 8th lens 9 is less than or equal to 1.60, and Abbe number is more than or equal to 50.
In practical applications, the difference of the refractive index of the refractive index and the 5th lens 6 of the 4th lens 5 is more than or equal to 0.25,
The difference of the Abbe number of the Abbe number and the 5th lens 6 of 4th lens 5 is more than or equal to 30.
In practical applications, the second lens 2, the 6th lens 7, the 7th lens 8 and the 8th lens 9 are non-spherical lens；The
Two lens 2, the 6th lens 7, the 7th lens 8 and the 8th lens 9 face type meet formula (1),
In formula, z is the rise along optical axis direction, and r is the distance that optical axis is a little arrived on the optical surface of non-spherical lens,
C is the curvature of the optical surface, and k is the quadratic surface constant of the optical surface, α1For the asphericity coefficient of 2 ranks, α2For 4 ranks
Asphericity coefficient, α3For the asphericity coefficient of 6 ranks, α4For the asphericity coefficient of 8 ranks, α5For the asphericity coefficient of 10 ranks, α6It is 12
The asphericity coefficient of rank, α7For the asphericity coefficient of 14 ranks, α8For the asphericity coefficient of 16 ranks.
In practical applications, the material of the first lens 1, the third lens 3, the 4th lens 5 and the 5th lens 6 is glass；The
The material of two lens 2, the 7th lens 8 and the 8th lens 9 is plastics.Bugeye lens further includes diaphragm 4, and diaphragm 4 is set to
Between three lens 3 and the 4th lens 5.Bugeye lens further includes optical filter 10, and optical filter is set to the 8th lens 9 and image side 11
Between, optical filter is cutoff filter.Cutoff filter specifically may include smalt optical filter, infrared cutoff
Optical filter is low to the spectral reflectivity of visible light wave range, the cut-off of remaining wave band.The spacing of optical filter and the 8th lens 9 is 0.5 milli
Rice.
Relationship between the refractive index and lambda1-wavelength of ultra-violet curing glue meets formula (2) at 25 DEG C:
Wherein, n indicates refractive index；λ indicates lambda1-wavelength, and λ unit is nanometer.
Bugeye lens in the present embodiment is arranged in pairs or groups high refractive index, high dispersion by the eyeglass of low-refraction, low dispersion
The aberration and color difference of lenses which correct imaging mould hybrid optical structure by the glass of 8 eyeglasses compositions, utilize ultra-violet curing glue
It is made into non-spherical lens, solves that the angle of view is not big enough, optics overall length is bigger than normal, as the skills such as plane chief ray incidence angles are bigger than normal
Art problem.
One specific embodiment of the utility model bugeye lens is provided herein, the first lens 1 is enabled close to object side and leans on
The face serial number of the optical surface of nearly image side 11 is respectively 1 and 2, enables the second lens 2 close to the optical surface of object side and close image side 11
Face serial number is respectively 3 and 4, and enabling the face serial number of optical surface of the third lens 3 close to object side and close to image side 11 is respectively 5 and 6, is enabled
The face serial number of optical surface of 4th lens 5 close to object side and close to image side 11 is respectively 8 and 9, enable the 5th lens 6 close to object side and
Face serial number close to the optical surface of image side 11 is respectively 9 and 10, enables the 6th lens 7 close to object side and close to the optical surface of image side 11
Face serial number be respectively 10 and 11, enabling the face serial number of optical surface of the 7th lens 8 close to object side and close to image side 11 is respectively 12
With 13, enabling the face serial number of optical surface of the 8th lens 9 close to object side and close to image side 11 is respectively 14 and 15.
The photosensitive imaging chip of the bugeye lens of specific embodiment of the utility model uses the IMX334LQR of SONY,
The preferred parameter value in each each face of lens see the table below:
The parameter of aspheric surface see the table below:
The first lens 1, the second lens 2 and the third lens 3 are from each other in bugeye lens in the specific embodiment
Edge interval is greater than 0, avoids constructive interference.6th lens 7, the 7th lens 8, the spacing between the 8th lens 9 are all at least
0.07mm collides to avoid center of lens.Through measuring, the bugeye lens in the specific embodiment in terms of spectral transmittance,
There is excellent permeability to g light (436nm) and F, e, d, C light (486nm, 546nm, 588nm, 656nm), and has carried out picture
Difference, chromatic aberration correction solve the problems, such as the purple boundary of visible light wave range imaging.Effective focal length (i.e. EFL)=4.40mm, relative aperture
(FNO)=1.6, field angle (FOV)=139.4 °, optics overall length (TTL)=28.01mm, as plane chief ray incidence angles (CRA)
≤10°。
Fig. 2 is point of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Column figure.As shown in Fig. 2, its medium wavelength takes g light (436nm), F light (486nm), e light (546nm), d light (588nm) and C light
(656nm) five wavelength, weight ratio 3:7:10:8:3.As shown in Figure 2, the disc of confusion under each visual field compares concentration, distribution
Also relatively uniform.Meanwhile there is not the phenomenon that disc of confusion under some visual field separates to open very much up and down with wavelength, illustrate purple
While disappearing preferably；The corresponding image height in 110 ° of full filed angle is 7.728mm, and IMX334LQR horizontal direction valid pixel number is
3864, single pixel size is 2.0 μm of 2.0 μ m, so illustrates to correspond to this imaging sensor, the horizontal direction angle of camera lens
110 ° are reached.
Fig. 3 is the bugeye lens in the utility model specific embodiment at 436nm to 656nm visible light wave range
MTF curve figure.As shown in figure 3, MTF curve figure represents the comprehensive solution an of optical system as horizontal, from the figure 3, it may be seen that center
Mtf value > 0.2 at mtf value > 0.3 at 300lp/mm, edge 200lp/mm, the bugeye lens basically reach 4K solution picture
Power level.
Fig. 4 is field of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Song/distortion curve.As shown in figure 4, distortion curve indicates F-Tan (theta) the distortion size in the case of different field angles
Value, unit %.From fig. 4, it can be seen that optical distortion is barrel distortion, absolute value≤61.31%.
Fig. 5 is phase of the bugeye lens at 436nm to 656nm visible light wave range in the utility model specific embodiment
Compare line chart of writing music.As shown in Figure 5, the decline of relative illumination curve is smooth, contrasts angle value > 0.35 under maximum field of view, this is super
It is brighter that picture is imaged in wide-angle lens.
Fig. 6 be the utility model specific embodiment in bugeye lens at 436nm to 656nm visible light wave range from
Burnt MTF curve figure.That spatial frequency takes is 125lp/mm, and defocus range is -0.03mm to 0.03mm, which can reflect the curvature of field
The degree of correction.When there are the curvature of field for a system, as a result, center can not be synchronous clear with periphery, i.e., field of view center is adjusted to
When clearest, edge is but not clear enough；Need by readjustment reduce field of view center clarity come allow field of view edge more clearly.
As seen from Figure 6, which corrects preferably.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up, this theory
Bright book should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of bugeye lens, which is characterized in that be disposed with the first lens group and second by object side to image side in lens barrel
Lens group；The ratio between the focal length of first lens group and the focal length of second lens group are greater than 3；
First lens group is disposed with the first lens, the second lens and the third lens by the object side to the image side；
First power of lens is negative, and second power of lens is negative, and the focal power of the third lens is positive；
Second lens group is disposed with the 4th lens, the 5th lens, the 6th lens, by the object side to the image side
Seven lens and the 8th lens；4th power of lens is negative, and the 5th power of lens is positive, and the described 6th thoroughly
The focal power of mirror is negative, and the 7th power of lens is positive, and the 8th power of lens is positive；
4th lens are biconcave lens, and the 5th lens are biconvex lens, and the 6th lens are convex surface described in
The falcate non-spherical lens of image side；The material of 6th lens is uv-curable glue；4th lens, the described 5th are thoroughly
Mirror and the 6th lens form balsaming lens of the convex surface towards the image side.
2. bugeye lens according to claim 1, which is characterized in that
First lens are meniscus shaped lens of the convex surface towards the object side, and second lens are biconcave lens, described the
Three lens are biconvex lens, and the 7th lens are biconvex lens, and the 8th lens are biconvex lens.
3. bugeye lens according to claim 1, which is characterized in that
The refractive index of first lens is more than or equal to 1.70, and Abbe number is more than or equal to 40；The refractive index of second lens is small
In being equal to 1.65, Abbe number is less than or equal to 30；The refractive index of the third lens is more than or equal to 1.85, and Abbe number is less than or equal to
25；The refractive index of 4th lens is more than or equal to 1.85, and Abbe number is less than or equal to 25；The refractive index of 5th lens is less than
Equal to 1.65, Abbe number is more than or equal to 55；The refractive index of 7th lens is less than or equal to 1.60, and Abbe number is more than or equal to 50；
The refractive index of 8th lens is less than or equal to 1.60, and Abbe number is more than or equal to 50.
4. bugeye lens according to claim 3, which is characterized in that
The difference of the refractive index of the refractive index and the 5th lens of 4th lens is more than or equal to 0.25, the 4th lens
Abbe number and the 5th lens Abbe number difference be more than or equal to 30.
5. bugeye lens according to claim 1, which is characterized in that
Second lens, the 6th lens, the 7th lens and the 8th lens are non-spherical lens；
Second lens, the 6th lens, the 7th lens and the 8th lens face type meet formula (1),
In formula, z is the rise along optical axis direction, and r is the distance that optical axis is a little arrived on the optical surface of non-spherical lens, and c is
The curvature of the optical surface, k are the quadratic surface constant of the optical surface, α1For the asphericity coefficient of 2 ranks, α2For the aspheric of 4 ranks
Face coefficient, α3For the asphericity coefficient of 6 ranks, α4For the asphericity coefficient of 8 ranks, α5For the asphericity coefficient of 10 ranks, α6For 12 ranks
Asphericity coefficient, α7For the asphericity coefficient of 14 ranks, α8For the asphericity coefficient of 16 ranks.
6. bugeye lens according to claim 1, which is characterized in that
First lens, the third lens, the 4th lens and the 5th lens material be glass；Described second
The material of lens, the 7th lens and the 8th lens is plastics.
7. bugeye lens according to claim 1, which is characterized in that
The bugeye lens further includes diaphragm, and the diaphragm is set between the third lens and the 4th lens.
8. bugeye lens according to claim 1, which is characterized in that
The bugeye lens further includes optical filter, and the optical filter is set between the 8th lens and the image side, institute
Stating optical filter is cutoff filter.
9. bugeye lens according to claim 8, which is characterized in that
The spacing of the optical filter and the 8th lens is 0.5 millimeter.
10. bugeye lens according to claim 1, which is characterized in that
Relationship between the refractive index and lambda1-wavelength of the uv-curable glue meets formula (2) at 25 DEG C:
Wherein, n indicates refractive index；λ indicates lambda1-wavelength, and λ unit is nanometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269451.5U CN208537819U (en) | 2018-08-08 | 2018-08-08 | A kind of bugeye lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269451.5U CN208537819U (en) | 2018-08-08 | 2018-08-08 | A kind of bugeye lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537819U true CN208537819U (en) | 2019-02-22 |
Family
ID=65377947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821269451.5U Active CN208537819U (en) | 2018-08-08 | 2018-08-08 | A kind of bugeye lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208537819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717227A (en) * | 2018-08-08 | 2018-10-30 | 厦门爱劳德光电有限公司 | A kind of bugeye lens |
| TWI748322B (en) * | 2019-12-20 | 2021-12-01 | 大陸商玉晶光電（廈門）有限公司 | Optical imaging lens |
-
2018
- 2018-08-08 CN CN201821269451.5U patent/CN208537819U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717227A (en) * | 2018-08-08 | 2018-10-30 | 厦门爱劳德光电有限公司 | A kind of bugeye lens |
| CN108717227B (en) * | 2018-08-08 | 2023-11-24 | 厦门爱劳德光电有限公司 | Ultra-wide angle lens |
| TWI748322B (en) * | 2019-12-20 | 2021-12-01 | 大陸商玉晶光電（廈門）有限公司 | Optical imaging lens |
| US11487085B2 (en) | 2019-12-20 | 2022-11-01 | Genius Electronic Optical (Xiamen) Co., Ltd. | Optical imaging lens including eight lenses of +-+-+-+-, +-+-+-++, +-++--+-, or +-+--++- refractive powers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106443961B (en) | Optical system | |
| CN110133828A (en) | Tight shot | |
| CN106501943B (en) | A kind of eyepiece optical system for wearing display equipment | |
| CN106443972B (en) | Iris recognition optical imaging lens group and its imaging method | |
| CN108318995B (en) | Lens system and lens | |
| CN108333730A (en) | A kind of high definition ultra-wide angle day and night confocal camera lens | |
| CN107632369A (en) | A kind of tight shot and picture pick-up device | |
| CN110007447A (en) | A kind of tight shot | |
| CN208477193U (en) | A kind of high definition ultra-wide angle day and night confocal camera lens | |
| CN101950067B (en) | Long-wavelength infrared continuous zoom lens | |
| CN108717227A (en) | A kind of bugeye lens | |
| CN208537819U (en) | A kind of bugeye lens | |
| CN107490846B (en) | Projection lens | |
| CN109445078A (en) | Bugeye lens | |
| CN209311771U (en) | A kind of Miniature projection lens | |
| CN209167661U (en) | A kind of large aperture near-infrared camera lenses | |
| CN107450168B (en) | In dolly-out, dolly-back interchangeable tight shot | |
| CN201852990U (en) | Long-wave infrared continuous zoom lens | |
| CN110133827A (en) | Bugeye lens | |
| CN109507788A (en) | A kind of large aperture near-infrared camera lenses | |
| CN109061858A (en) | Zoom lens | |
| CN207020389U (en) | A kind of zoom-lens system and zoom lens | |
| CN109445075A (en) | A kind of Miniature projection lens | |
| CN102621672A (en) | High-throw-ratio projection objective | |
| CN209417405U (en) | A kind of undistorted camera lens of large aperture near-infrared |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |