CN108519634B - A kind of smart machine of the patrol monitoring of day and night - Google Patents
A kind of smart machine of the patrol monitoring of day and night Download PDFInfo
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- CN108519634B CN108519634B CN201810342315.2A CN201810342315A CN108519634B CN 108519634 B CN108519634 B CN 108519634B CN 201810342315 A CN201810342315 A CN 201810342315A CN 108519634 B CN108519634 B CN 108519634B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
Positive light coke, the chalcogenide glass of low-refraction temperature coefficient and the monocrystalline germanium of negative power is selected to match as different lens, various aberrations and the distortion of optical lens are corrected by computer optics Computer Aided Design and optimization, so that camera lens is realized high-resolution, big light passing amount, the day and night performances such as confocal, and realizes the infrared no thermalization of lens well；The light field of camera is big, image planes are big and imaging effect is clear, also well ensures the patrol monitoring of smart machine.
Description
Technical field
The present invention relates to a kind of smart machine of patrol monitoring, particularly relate to it is a kind of with can day and night take the photograph
As head and the smart machine for the patrol monitoring for configuring the camera.
Background technique
As the improvement of people's living standards, and smart machine technology be constantly progressive, smart machine is more more and more universal
Into people's lives, smart machine can replace the mankind and work, and can service for the mankind, bring for the mankind all multi-party
Just.People not when or people be inconvenient to the place occurred, go on patrol monitoring smart machine receive it is increasing
It welcomes.
As important component, along with the trend toward miniaturization of smart machine, monitor that the camera of photography is also required to have
Corresponding miniaturization, and the clarity of camera shooting is required it is also higher and higher, i.e., for the optical lens in camera also into
One step requires the performances such as high-resolution.In addition most camera can only take enough figures in the case where brightness is enough
Picture, especially night can not obtain clearly image under darker environment, simultaneously because infrared optical material and mechanical material
Thermal deformation can be generated in temperature change, therefore the acute variation of operating temperature can cause the focal length variations of optical system, image planes
Elegant, image quality decline etc. influences.
It is recorded with being aware that even connect the small details of object, lens system should be compensated satisfactorily
The aberration that the neighboring area of image generates.However, common ight camera is difficult to make mirror if high optical property to be realized
Head system miniaturization, and in order to make such lens system miniaturization will increase manufacturing cost.Accordingly, it is difficult to meet height simultaneously
Optical property and low manufacturing cost.The camera-lens system of the zoom of camera has and can satisfactorily mend in the prior art
The problem of repaying aberration, but increasing with the overall size of lens system.
Summary of the invention
That the purpose of the present invention is to provide a kind of light fields is big, image planes are big and imaging effect clearly camera, camera
Camera-lens system can get it is well balanced between beam effect and imaging definition, have compact-sized, F number is small, wide-angle,
And has the characteristics that good optical property.
It is a further object of the present invention to provide a kind of intelligence of the patrol monitoring of camera with above-mentioned excellent photographic effect
It can equipment.
A kind of infrared no thermalization camera can be used for the smart machine of the patrol monitoring of day and night, including miniature video camera
Lens system；
The miniature video camera lens system sequentially includes that the first lens, aperture, the second lens, third are saturating by object side to image side
Mirror, the 4th lens, the 5th lens, the 6th lens, light blast piece and electronics photosensitive element；
First lens have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object side table
Face S1 is convex surface, and image side surface S2 is plane, is equipped with diffraction pattern；
Second lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S3 is convex surface, image side table
Face S4 is concave surface, and is all aspherical, and object side S3 has the point of inflexion there are two a point of inflexion and image side surface S4 tools；
The third lens have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object side table
Face S5 is concave surface, and image side surface S6 is convex surface, and is all aspherical；
4th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S7 is concave surface, image side table
Face S8 is concave surface, and is all aspherical；
5th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S9 is convex surface, image side table
Face S10 is concave surface, and is all aspherical, and there are three the points of inflexion for the point of inflexion and image side surface S10 tool there are two object side S9 tools；
6th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S11 is concave surface, image side
Surface S12 is plane, and there are two the points of inflexion for object side S11 tool.
Preferably, the curvature of eight surface S3 ~ S10 of the second lens to the 5th lens is defined by following equation:
Zi=CURViYi2/(1+(1-(1+Ki)CURVi2Yi2)1/2)+(Ai)Yi2+(Bi)Yi4+(Ci)Yi6+(Di)Yi8
And parameter
Mi=1-(1+Ki)(CURVi)2(Ri)2
Wherein:
I is surface number (i=S3 ~ S10)；
It is the point and a distance between plane on non-spherical surface that optical axis height is Yi for surface i, Zi, this
Plane is in the point of intersection of non-spherical surface and optical axis and the non-spherical surface tangent；
Ki is constant, referred to as the constant of the cone of surface i；
CURVi is curvature of the surface i on the surface and the point of intersection of optical axis；
Ai, Bi, Ci, Di are the second of surface i, four, six and eight asphericity coefficient respectively；
Ri is the effective radius in the aperture of surface i.
Further, the miniature video camera lens system also meets condition:
8<(MS3+MS4+MS7+MS8+MS9+MS10)/(MS5+MS6)<17。
Preferably, the focal length of miniature video camera lens system is f, and the focal length of the first lens is f1, and the focal length of the second lens is
F2, the focal length of the third lens are f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, and the focal length of the 6th lens is
F6 meets following condition: f1/f2=-2.33；F5/f6=1.43；F3/f4=-1.78；And | f/f1 |+| f/f2 |=
0.68。
Preferably, the focal length of miniature video camera lens system is f, and the f-number of miniature video camera lens system is Fno, miniature to take the photograph
As the half at visual angle maximum in lens system is HFOV, numerical value is as follows: f=3.54mm；Fno=2.50；And HFOV=
44.0 degree.
Preferably, the chalcogenide glass material of the third lens meets following relative to the refractive index Nd and Abbe number Vd of d light
Conditional: Nd >=2.8, Vd >=40.
Further, the monocrystalline germanium material of the 4th lens meets following relative to the refractive index Nd and Abbe number Vd of d light
Conditional: Nd >=4.1, Vd≤28.
Further, the monocrystalline germanium material of the 5th lens meets following relative to the refractive index Nd and Abbe number Vd of d light
Conditional: Nd >=4.6, Vd≤23.
Preferably, the refracting power of the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens
In most powerhouse be Pmax, the focal length of miniature video camera lens system is f, and the entrance pupil diameter of miniature video camera lens system is EPD, light
Circle is SL as the distance on optical axis, and the first lens object side surface S1 to electronics photosensitive element is TL, electricity in the distance on optical axis
The half of the sub- effective sensing region diagonal line length of photosensitive element is ImgH, meets following condition: | Pmax |=0.56；f/EPD
=2.30；SL/TL=0.88；And TL/ImgH=1.56.
The present invention also provides another technical solutions: a kind of smart machine of the patrol monitoring of day and night comprising
Smart machine main body and connect with smart machine main body for smart machine patrol monitoring mobile device；Have in mobile device
Infrared no thermalization camera, connect, central processing unit can control infrared with the central processing unit of smart machine body interior
Without thermalization camera, and image and video information are sent to remote terminal.
Select the monocrystalline germanium of positive light coke, the chalcogenide glass of low-refraction temperature coefficient and negative power as different saturating
Mirror matches, and various aberrations and the distortion of optical lens are corrected by computer optics Computer Aided Design and optimization, keeps camera lens real
Existing high-resolution, big light passing amount, the day and night performances such as confocal, and the infrared no thermalization of lens is realized well；The light of camera
Field is big, image planes are big and imaging effect is clear, also well ensures the patrol monitoring of smart machine.
Detailed description of the invention
Fig. 1 is smart machine external structure.
Fig. 2 is external view of the smart machine when crawler belt is unfolded.
Fig. 3 is the structural schematic diagram of the miniature video camera lens system of camera.
Fig. 4 A ~ 4C is spherical aberration, astigmatism and the distortion curve graph of miniature video camera lens system.
Specific embodiment
It will explain in detail to exemplary embodiment now, its example is shown in the drawings, wherein identical label
Always show identical component.In this regard, exemplary embodiment can have different forms and should not be construed as being limited to
Here description.Therefore, exemplary embodiment is described solely by reference to attached drawing below, to explain the various aspects of this description.In figure
The size of element can be exaggerated to be explained for facilitating.Stated differently, since the size of element and thickness are to solve for convenience in figure
It releases and arbitrarily describes, therefore embodiment is not limited to this for following exemplary.
Referring to Fig. 1, a kind of smart machine of the patrol monitoring of day and night, including smart machine main body 10 and set with intelligence
Mobile device 20 of the standby connection of main body 10 for smart machine patrol monitoring.There is infrared no thermalization camera in mobile device 20
212, it is connect with the central processing unit (not shown) inside smart machine main body 10, central processing unit can control infrared no heat
Change camera 212, and sends image and video information to remote terminal.
The infrared no thermalization camera 212 has a kind of miniature video camera lens system, referring to Fig. 3, the miniature video camera
Lens system sequentially includes the first lens 210, aperture 200, the second lens 220, the third lens the 230, the 4th by object side to image side
Lens 240, the 5th lens 250, the 6th lens 260, light blast piece 270 and electronics photosensitive element 280.
First lens 210 have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object
Side surface S1 is convex surface, and image side surface S2 is plane, is equipped with diffraction pattern.
Second lens 220 have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S3 is convex surface, picture
Side surface S4 is concave surface, and is all aspherical, and object side S3 has contrary flexure there are two a point of inflexion and image side surface S4 tools
Point.
The third lens 230 have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object
Side surface S5 is concave surface, and image side surface S6 is convex surface, and is all aspherical.
4th lens 240 have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S7 is concave surface, picture
Side surface S8 is concave surface, and is all aspherical.
5th lens 250 have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S9 is convex surface, picture
Side surface S10 is concave surface, and is all aspherical, and there are three anti-for the point of inflexion and image side surface S10 tool there are two object side S9 tools
Qu Dian.
6th lens 260 have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S11 is concave surface, picture
Side surface S12 is plane, and there are two the points of inflexion for object side S11 tool.
For infrared light, in the diffraction pattern that the first lens 210 are set, so that the first lens 210 generate positive heat differential, with
The negative heat differential that five lens 250 and the 6th lens 260 generate is cancelled out each other, and the infrared no thermalization of camera-lens system is realized.
The curvature of eight surface S3 ~ S10 of 220 to the 5th lens 250 of the second lens is defined by following equation:
Zi=CURViYi2/(1+(1-(1+Ki)CURVi2Yi2)1/2)+(Ai)Yi2+(Bi)Yi4+(Ci)Yi6+(Di)Yi8
And parameter
Mi=1-(1+Ki)(CURVi)2(Ri)2
Wherein:
I is surface number (i=S3 ~ S10)；
It is the point and a distance between plane on non-spherical surface that optical axis height is Yi for surface i, Zi, this
Plane is in the point of intersection of non-spherical surface and optical axis and the non-spherical surface tangent；
Ki is constant, referred to as the constant of the cone of surface i；
CURVi is curvature of the surface i on the surface and the point of intersection of optical axis；
Ai, Bi, Ci, Di are the second of surface i, four, six and eight asphericity coefficient respectively；
Ri is the effective radius in the aperture of surface i.
The focal length of miniature video camera lens system is f, and the focal length of the first lens 210 is f1, and the focal length of the second lens 220 is
F2, the focal length of the third lens 230 are f3, and the focal length of the 4th lens 240 is f4, and the focal length of the 5th lens 250 is f5, the 6th lens
260 focal length is f6, meets following condition: f1/f2=-2.33；F5/f6=1.43；F3/f4=-1.78；And | f/f1 |
+ | f/f2 |=0.68.
The miniature video camera lens system also meets condition: 8 < (MS3+MS4+MS7+MS8+MS9+MS10)/(MS5+MS6)
<17。
The focal length of miniature video camera lens system is f, and the f-number (F-number) of miniature video camera lens system is Fno, micro-
The half at maximum visual angle is HFOV in type camera-lens system, and numerical value is as follows: f=3.54mm；Fno=2.50；And HFOV
=44.0 degree.
The chalcogenide glass material of the third lens 230 meets following condition relative to the refractive index Nd and Abbe number Vd of d light
Formula: Nd >=2.8, Vd >=40.
The monocrystalline germanium material of 4th lens 240 meets following condition formulae relative to the refractive index Nd and Abbe number Vd of d light:
Nd >=4.1, Vd≤28.
The monocrystalline germanium material of 5th lens 250 meets following condition formulae relative to the refractive index Nd and Abbe number Vd of d light:
Nd >=4.6, Vd≤23.
The third lens 230 and the 4th lens 240 are T34, the 4th lens 240 and the 5th lens in the spacing distance on optical axis
250 in the spacing distance on optical axis be T45, the 5th lens 250 are in, with a thickness of CT5, the 6th lens 260 are on optical axis on optical axis
With a thickness of CT6, the first lens object side surface S1 to the 6th lens image side surface S12 is Td in the distance on optical axis, and first thoroughly
Mirror 210, the second lens 220, the third lens 230, the 4th lens 240, the 5th lens 250 and the 6th lens 260 are respectively at optical axis
The summation of upper thickness is Σ CT, meets following condition: T34/T45=0.54；CT5/CT6=0.41；Td/CT6=4.26；With
And Σ CT/Td=0.77.
First lens 210, the second lens 220, the third lens 230, the 4th lens 240, the 5th lens 250 and the 6th lens
Most powerhouse is Pmax in 260 refracting power, and the focal length of miniature video camera lens system is f, the entrance pupil of miniature video camera lens system
Diameter is EPD, and aperture 200 is SL as the distance on optical axis, and the first lens object side surface S1 is to electronics photosensitive element 280 in light
Distance on axis is TL, and the half of the effective sensing region diagonal line length of electronics photosensitive element 280 is ImgH, meets following item
Part: | Pmax |=0.56；F/EPD=2.30；SL/TL=0.88；And TL/ImgH=1.56.
Table one is the detailed structured data of embodiment, and wherein the unit of radius of curvature, thickness and focal length is mm.Table two is real
Apply the aspherical surface data in example, wherein the conical surface coefficient in k table aspheric curve equation, A4-A16 then indicate each surface
4-16 rank asphericity coefficient.
One f=3.54mm of table；Fno=2.50；And HFOV=44.0 degree
Fig. 4 A ~ 4C shows spherical aberration, astigmatism and the distortion curve of the miniature video camera lens system of the embodiment.
Combined with Figure 1 and Figure 2, mobile device 20 include a pair of of the driving wheel 201 connected by bearing 203 and with robot master
The driven wheel 202 that body 10 connects.It is arranged with resilient track 204 on the wheel rim of driving wheel 201, wheel is additionally provided on driving wheel 201 and is carried out
Jack 205, wheel carry out the wheel rim that jack 205 is used to make when withdrawing resilient track fitting driving wheel 201, upon deployment
Creeper undercarriage is cooperatively formed with driving wheel 201 and resilient track 204.
Driving wheel 201 is performed structure 300 and directly drives, and rolls patrol robot with wheel with driven wheel 202
Mode is walked.
Resilient track 204 is flexible caterpillar belt structure, is being suitable for that wheel rolls the ground walked, resilient track 204
The wheel rim of driving wheel 201 is tightly attached to by the elasticity of its own.When switching walking mode, wheel carries out jack 205 and carries out elasticity
Band 204 struts and driving wheel 201 and resilient track 204 cooperatively form creeper undercarriage.
Specifically, it includes a pair of folding and unfolding part for being set to 201 front and back of driving wheel that wheel, which carries out jack 205, which includes
The driving wheel 251 that is engaged with driving wheel 201, the driving wheel 252 to offset with resilient track 204 and be connected to driving wheel 251 and
Support rod 253 between driving wheel 252.When driving wheel 201 is rotated by driving, resilient track 204 is along driving wheel 201, driving
Wheel 251 and 252 continuous rotation of driving wheel, to realize crawler travel.
The mobile device 20 of the present embodiment can be in running on wheels and crawler-type traveling time-switching, it is thus possible to be suitable for more
Complicated surface conditions.
As described above, accoding to exemplary embodiment, it can be achieved that satisfactorily compensating for the miniature video camera lens system of aberration
System, so that the camera of the smart machine of patrol monitoring realizes wide-angle high definition day and night.However, above-mentioned miniature video camera is saturating
Mirror system do not limit present inventive concept, it will be apparent to an ordinarily skilled person in the art that being defined by the claims not departing from
In the case where the spirit and scope of inventive concept, the various changes of form and details can be carried out to it.
Claims (8)
1. a kind of infrared no thermalization camera, the smart machine of the patrol monitoring for day and night, which is characterized in that including micro-
Type camera-lens system；
The miniature video camera lens system by object side to image side sequentially include the first lens, aperture, the second lens, the third lens,
4th lens, the 5th lens, the 6th lens, light blast piece and electronics photosensitive element；
First lens have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object side surface S1
For convex surface, image side surface S2 is plane, is equipped with diffraction pattern；
Second lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S3 is convex surface, image side surface S4
It for concave surface, and is all aspherical, and object side S3 has a point of inflexion and image side surface S4 tool there are two the points of inflexion；
The third lens have positive refracting power, and are positive light coke, the chalcogenide glass of low-refraction temperature coefficient, object side surface S5
For concave surface, image side surface S6 is convex surface, and is all aspherical；
4th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S7 is concave surface, image side surface S8
It for concave surface, and is all aspherical；
5th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S9 is convex surface, image side surface
S10 is concave surface, and is all aspherical, and there are three the points of inflexion for the point of inflexion and image side surface S10 tool there are two object side S9 tools；
6th lens have negative refracting power, and are the monocrystalline germanium of negative power, and object side surface S11 is concave surface, image side surface
S12 is plane, and there are two the points of inflexion for object side S11 tool.
2. infrared no thermalization camera according to claim 1, which is characterized in that eight of the second lens to the 5th lens
The curvature of surface S3 ~ S10 is defined by following equation:
Zi=CURViYi2/(1+(1-(1+Ki)CURVi2Yi2)1/2)+(Ai)Yi2+(Bi)Yi4+(Ci)Yi6+(Di)Yi8
And parameter
Mi=1-(1+Ki)(CURVi)2(Ri)2
Wherein:
I is surface number (i=S3 ~ S10)；
It is the point and a distance between plane on non-spherical surface that optical axis height is Yi, the plane for surface i, Zi
In the point of intersection of non-spherical surface and optical axis and the non-spherical surface tangent；
Ki is constant, referred to as the constant of the cone of surface i；
CURVi is curvature of the surface i on the surface and the point of intersection of optical axis；
Ai, Bi, Ci, Di are the second of surface i, four, six and eight asphericity coefficient respectively；
Ri is the effective radius in the aperture of surface i.
3. infrared no thermalization camera according to claim 1, which is characterized in that the focal length of miniature video camera lens system is
F, the focal length of the first lens are f1, and the focal length of the second lens is f2, and the focal length of the third lens is f3, and the focal length of the 4th lens is
F4, the focal length of the 5th lens are f5, and the focal length of the 6th lens is f6, meets following condition: f1/f2=-2.33；F5/f6=
1.43；F3/f4=-1.78；And | f/f1 |+| f/f2 |=0.68.
4. infrared no thermalization camera as claimed in claim 3, which is characterized in that the focal length of miniature video camera lens system is f,
The f-number of miniature video camera lens system is Fno, and the half at maximum visual angle is HFOV in miniature video camera lens system, and numerical value is such as
Under: f=3.54mm；Fno=2.50；And HFOV=44.0 degree.
5. described in any item infrared no thermalization cameras according to claim 1 ~ 4, which is characterized in that the sulphur system glass of the third lens
Glass material meets following condition formulae relative to the refractive index Nd and Abbe number Vd of d light: Nd >=2.8, Vd >=40.
6. infrared no thermalization camera according to claim 5, which is characterized in that the monocrystalline germanium material of the 4th lens is opposite
Meet following condition formulae in the refractive index Nd and Abbe number Vd of d light: Nd >=4.1, Vd≤28；
The monocrystalline germanium material of 5th lens meets following condition formulae relative to the refractive index Nd and Abbe number Vd of d light: Nd >=
4.6, Vd≤23.
7. infrared no thermalization camera according to claim 1, which is characterized in that the first lens, the second lens, third are saturating
Mirror, the 4th lens, the 5th lens and the 6th lens refracting power in most powerhouse be Pmax, the focal length of miniature video camera lens system is
F, the entrance pupil diameter of miniature video camera lens system are EPD, and aperture is SL, the first lens object side surface as the distance on optical axis
S1 is TL in the distance on optical axis to electronics photosensitive element, and the half that electronics photosensitive element effective feeling surveys region diagonal line length is
ImgH meets following condition: | Pmax |=0.56；F/EPD=2.30；SL/TL=0.88；And TL/ImgH=1.56.
8. a kind of smart machine of the patrol monitoring of day and night, which is characterized in that set including smart machine main body and with intelligence
Mobile device of the standby main body connection for smart machine patrol monitoring；Have described in any one of claim 1 ~ 7 in mobile device
Infrared no thermalization camera, connect with the central processing unit of smart machine body interior, central processing unit can control red
Outer no thermalization camera, and image and video information are sent to remote terminal.
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| CN206020794U (en) * | 2016-08-22 | 2017-03-15 | 福建福光天瞳光学有限公司 | A kind of LONG WAVE INFRARED machinery passive type is without thermalization on-vehicle lens |
| CN106547074B (en) * | 2017-01-20 | 2022-11-29 | 宁波舜宇红外技术有限公司 | Infrared fisheye lens |
| CN106802473A (en) * | 2017-03-21 | 2017-06-06 | 惠州市星聚宇光学有限公司 | A kind of ultrahigh resolution ultra thin optical lens group and imaging system |
| CN207123648U (en) * | 2017-09-15 | 2018-03-20 | 东莞市宇瞳光学科技股份有限公司 | Inexpensive large aperture 4MP is without thermalization tight shot |
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2018
- 2018-04-17 CN CN201810342315.2A patent/CN108519634B/en active Active
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