CN209167665U - The low industrial camera lens that distorts of 1/1.8 inch big target surface 6mm focal length high definition - Google Patents
The low industrial camera lens that distorts of 1/1.8 inch big target surface 6mm focal length high definition Download PDFInfo
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- CN209167665U CN209167665U CN201821914706.9U CN201821914706U CN209167665U CN 209167665 U CN209167665 U CN 209167665U CN 201821914706 U CN201821914706 U CN 201821914706U CN 209167665 U CN209167665 U CN 209167665U
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Abstract
The utility model relates to a kind of low industrial camera lenses that distorts of 1/1.8 inch big target surface 6mm focal length high definition, including lens barrel and the optical system being arranged in lens barrel, the optical system includes preceding group of eyeglass A being negative along the light focal power that incident direction is set gradually from left to right, the rear group of eyeglass B that focal power is positive and the diaphragm between preceding group of eyeglass A and rear group eyeglass B, group eyeglass A is by the positive crescent moon lens A-1 that sets gradually before described, negative crescent moon lens A-2, negative crescent moon lens A-3, the gluing unit A of biconcave lens A-4 and biconvex lens A-5 contiguity, biconvex lens A-6 composition；Gluing unit B, biconvex lens B-3 and the biconvex lens B-4 that group eyeglass B is touched by the biconcave lens B-1 set gradually with biconvex lens B-2 after described are formed.The design of the utility model structure is simple, reasonable, has the characteristics that high-resolution, big target surface, low distortion, meets its market demand.
Description
Technical field:
The utility model relates to a kind of low industrial camera lenses that distorts of 1/1.8 inch big target surface 6mm focal length high definition.
Background technique:
With the fast development of machine vision, constantly release in the market a series of suitable for million grades of machine vision, thousand
The high definition industrial camera of ten thousand grades of pixels, and key components and parts of the camera lens as machine vision Image Acquisition, also to resolution of lens
More stringent requirements are proposed, so promoting lens image resolution, improving image quality, reduce pattern distortion, increasingly becomes
The keyword of machine vision industry technology even more promotes the eternal target of camera lens quality.But the optics knot of current industrial camera lens
Structure distortion is big, and it is not clear enough to be imaged, and can not meet the needs of machine vision market well.
Utility model content:
The purpose of this utility model is that it is high to provide a kind of 1/1.8 inch big target surface 6mm focal length in place of against the above deficiency
The clear low industrial camera lens of distortion, it is not only reasonable in design, but also there is low distortion, high-resolution imaging ability, meet machine
Visual demand.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of target surface 6mm 1/1.8 inch big is burnt
Away from the low industrial camera lens of distortion of high definition, including lens barrel and the optical system being arranged in lens barrel, the optical system includes along light
The rear group of eyeglass B and position that preceding group of eyeglass A, the focal power that the line focal power that incident direction is set gradually from left to right is negative are positive
Diaphragm between preceding group of eyeglass A and rear group eyeglass B, it is described before group eyeglass A by set gradually positive crescent moon lens A-1, the negative moon
Gluing unit A, the biconvex lens A-6 group of tooth lens A-2, negative crescent moon lens A-3, biconcave lens A-4 and biconvex lens A-5 contiguity
At；Gluing unit B, the biconvex lens B-3 that group eyeglass B is touched by the biconcave lens B-1 and biconvex lens B-2 that set gradually after described
It is formed with biconvex lens B-4.
Further, between the air in the preceding group eyeglass A between positive selenodont lens A-1 and negative selenodont lens A-2
It is divided into 0.10mm, the airspace between the negative selenodont lens A-2 and negative selenodont lens A-3 is 3.40mm, described negative
Airspace between selenodont lens A-3 and gluing unit A is 2.90mm, the sky between the gluing unit A and biconvex lens A-6
Gas interval variation amount is 2.60 to 5.70mm.
Further, the airspace variable quantity in the preceding group eyeglass A between biconvex lens A-6 and rear group eyeglass B are as follows:
15.1 to 12.0mm, the airspace between the diaphragm and rear group eyeglass B is 3.7mm.
Further, the airspace of gluing unit B and biconvex lens B-3 is 0.10mm in the rear group eyeglass B, described double
The airspace of convex lens B-3 and biconvex lens B-4 is 0.30mm.
Further, the lens barrel include along light incident direction setting preceding group lens barrel, middle group of lens barrel and after organize mirror
Cylinder organizes positive crescent moon lens A-1, negative crescent moon lens A-2, negative crescent moon lens A-3 and biconcave lens A-4 in eyeglass A before described
It is successively set in preceding group lens barrel with the gluing unit A of biconvex lens A-5 contiguity, the front end of the preceding group lens barrel is fixedly connected with for pressing
The preceding pressing ring of tight positive crescent moon lens A-1, is provided with spacer ring A between the positive crescent moon lens A-1 and negative crescent moon lens A-2；It is described
Biconvex lens A-6 is arranged in middle group of lens barrel, and the eyeglass trim rings being spirally connected with middle group of lens barrel are provided on front side of biconvex lens A-6；
The diaphragm is connected firmly in the inside of rear group lens barrel；The gluing unit B of the biconcave lens B-1 and biconvex lens B-2 contiguity, lenticular
Mirror B-3 and biconvex lens B-4 are successively set in rear group lens barrel, are arranged between the biconvex lens B-2 and biconvex lens B-3
There is spacer ring B, spacer ring C is provided between the biconvex lens B-3 and biconvex lens B-4, after being provided on rear side of biconvex lens B-4
Pressing ring.
Further, anticlockwise CAM slot there are two symmetrically being opened up in the preceding group lens barrel；The middle group of lens barrel
Outer wall is opened up there are two tapped through hole, and middle group of lens barrel is spirally connected with two tapped through holes via group lens barrel guide pin in two and is locked
In two CAM slots of preceding group lens barrel, the outside of the preceding group lens barrel is also arranged with focusing ring, offers two on the focusing ring
A straight guide groove, focusing ring are set in two along two straight guide groove directions and organize on lens barrel guide pin, focused by clockwise and anticlockwise rotation
Ring is moved forward and backward come group lens barrel in driving, and changes its airspace to reach focusing；It is also radial on the focusing ring to be bolted with
The focusing runner locking nail being matched with middle group of lens barrel and for will be connected with focusing ring for focusing runner locking.
Further, the outer sheath of the rear group lens barrel is equipped with aperture setting ring, is radially spirally connected on the aperture setting ring
There is the diaphragm guide pin protruded into rear group lens barrel, one end that the diaphragm guide pin protrudes into rear group lens barrel is connected with the poke rod of diaphragm
It connects, it is also radial on the aperture setting ring to be bolted with the diaphragm locking matched with rear group lens barrel for aperture setting ring locking
Nail.
Further, fixing sleeve is equipped with attachment base, the middle part appearance of the attachment base on the outside of the rear end of the rear group lens barrel
Connection screw thread is arranged in face.
Compared with prior art, the utility model has the effect that the design of the utility model structure is simple, reasonable, tool
There is the features such as high-resolution, big target surface, low distortion, lens imaging high resolution can be made up to more than 6,000,000 high definition ranks and distorting
Lower than -1.8%, it is applicable to the CCD or CMOS of big 6,000,000 pixel high-resolution of target surface of 1/1.8 〞, meets its market demand.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the optical system of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the camera lens of the utility model embodiment；
Fig. 3 is the MTF curve figure of the utility model embodiment；
Fig. 4 is the distortion change curve of the utility model embodiment.
In figure:
Pressing ring before 1-；2- preceding group lens barrel；3-M1.6*1.5 tapered end holding screw；4- focusing ring；Lens barrel guide pin is organized in 5-；6-
Middle group of lens barrel；7-M1.6*2 tapered end holding screw；8- rear group lens barrel；9- aperture setting ring；10- diaphragm guide pin；11-M1.6*2 cone
Hold holding screw；12- attachment base；Pressing ring after 13-；14- biconvex lens B-4；15- biconvex lens B-3；16- biconvex lens B-2；
17- spacer ring C；18- spacer ring B；19- biconcave lens B-1；20- diaphragm；21-M1.6*2 tapered end holding screw；22- biconvex lens A-
6；23- diaphragm locking nail；24- eyeglass trim rings；25- biconvex lens A-5；26- focuses runner locking nail；27- biconcave lens A-
4；The negative selenodont lens A-3 of 28-；The negative selenodont lens A-2 of 29-；30- spacer ring A；The positive selenodont lens A-1 of 31-；32- image planes；
Eyeglass A is organized before 33-；Eyeglass B is organized after 34-.
Specific embodiment:
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, a kind of low industrial mirror that distorts of 1/1.8 inch big target surface 6mm focal length high definition of the utility model
Head, including lens barrel and the optical system being arranged in lens barrel, the optical system include along light from left to right incident direction according to
The rear group of eyeglass B and be located at preceding group of eyeglass A and rear group mirror that preceding group of eyeglass A, the focal power that the focal power of secondary setting is negative are positive
Diaphragm between piece B, it is described before group eyeglass A by the positive crescent moon lens A-1, the negative crescent moon lens A-2, negative crescent moon lens that set gradually
A-3, biconcave lens A-4 and gluing unit A, the biconvex lens A-6 of biconvex lens A-5 contiguity are formed；Group eyeglass B is by successively after described
Gluing unit B, the biconvex lens B-3 and biconvex lens B-4 composition of biconcave lens B-1 and biconvex lens the B-2 contiguity of setting.The mirror
Head has the characteristics that high-resolution, big target surface, low distortion；The light path system passes through CAD and optimization meticulously, choosing
With high refractive index, the optical glass material of low dispersion makes lens imaging high resolution up to more than 6,000,000 high definition ranks and distortion is low
In -1.8%, it is applicable to the CCD or CMOS of big 6,000,000 pixel high-resolution of target surface of 1/1.8 〞.
In the present embodiment, the air in eyeglass A between positive selenodont lens A-1 and negative selenodont lens A-2 is organized before described
Between be divided into 0.10mm, the airspace between the negative selenodont lens A-2 and negative selenodont lens A-3 be 3.40mm, it is described
Airspace between negative selenodont lens A-3 and gluing unit A is 2.90mm, between the gluing unit A and biconvex lens A-6
Airspace variable quantity is 2.60 to 5.70mm.
In the present embodiment, the airspace variable quantity in eyeglass A between biconvex lens A-6 and rear group eyeglass B is organized before described
Are as follows: 15.1 to 12.0mm, the airspace between the diaphragm and rear group eyeglass B is 3.7mm.
In the present embodiment, the airspace that gluing unit B and biconvex lens B-3 in eyeglass B is organized after described is 0.10mm, described
The airspace of biconvex lens B-3 and biconvex lens B-4 is 0.30mm.
In the present embodiment, the parameter of each eyeglass is as shown in the table:
Following optical index has been reached by the optical system that above-mentioned eyeglass forms:
(1) focal length: f '=6mm；
(2) close-shot is away from M.O.D=50mm；
(3) it distorts :≤- 1.8%；
(4) relative aperture: D/f '=1/2.8；
(5) field angle: 2 ω=92.8 °；
(6) resolution ratio: it is better than 6,000,000 pixels；
(7) total length of light path: ∑≤59.0 ± 0.1mm；
(8) it is applicable in spectral line range: 450nm~650nm；
(9) camera lens outer dimension: Φ 29mm × 49.7mm.
In the present embodiment, the lens barrel include along light incident direction setting preceding group lens barrel 2, middle group of lens barrel 6 and after
Group lens barrel 8, the preceding positive crescent moon lens A-1 organized in eyeglass A, negative crescent moon lens A-2, negative crescent moon lens A-3 and concave-concave are saturating
The gluing unit A of mirror A-4 and biconvex lens A-5 contiguity is successively set in preceding group lens barrel 2, and the front end of the preceding group lens barrel 2 connects firmly
There is the preceding pressing ring 1 for compressing positive crescent moon lens A-1, preceding pressing ring 1 passes through two M1.6*1.5 tapered end clamp screws with preceding group lens barrel 2
3 locking of nail, is provided with spacer ring A30 between the positive crescent moon lens A-1 and negative crescent moon lens A-2；The biconvex lens A-6 setting
In middle group of lens barrel 6, the eyeglass trim rings 24 being spirally connected with middle group of lens barrel 6 are provided on front side of biconvex lens A-6；The diaphragm 20 is solid
It is associated in the inside of rear group lens barrel 8；The biconcave lens B-1 and biconvex lens B-2 contiguity gluing unit B, biconvex lens B-3 and
Biconvex lens B-4 is successively set in rear group lens barrel 8, is provided with spacer ring between the biconvex lens B-2 and biconvex lens B-3
B18 is provided with spacer ring C17, presses after being provided on rear side of biconvex lens B-4 between the biconvex lens B-3 and biconvex lens B-4
Circle 13.
In the present embodiment, the preceding group lens barrel 2 is integral type fabrication design, and preceding group of eyeglass A and spacer ring is effectively guaranteed
The concentricity of assembly；The airspace between eyeglass is effectively guaranteed in design spacer ring A30；Its preceding pressing ring 1 is non-to be designed at face
Small stair delustring line, effectively blocks the reflection of invalid veiling glare, camera lens is made to reach better imaging effect, thus further
It ensure that camera lens quality while also strengthening the overall beautiful and stability of mechanical structure.In order to organize the sky between eyeglass after guaranteeing
Gas interval devises spacer ring B18 and spacer ring C17；Pressing ring 13 and rear group lens barrel 8 cooperate after design, ensure that rear group of eyeglass assembly
Concentricity and stability.
In the present embodiment, to guarantee that camera lens does NEAR and FAR rotation direction consistency when half group of movement is focused along counterclockwise,
Two CAM slot symmetric configuration driven Designs are used in preceding group lens barrel 2, and two CAM slot directions are designed as counterclockwise；For
Realization lens focusing actuation, the outer wall of the middle group of lens barrel 6 open up the tapped through hole there are two M1.6, middle group of lens barrel 6 via
Lens barrel guide pin 5 is organized in two and two tapped through holes are spirally connected and are locked in two CAM slots of preceding group lens barrel 2, described preceding group
The outside of lens barrel 2 is also arranged with focusing ring 4, and the straight guide groove there are two width for 3mm, 4 edge of focusing ring are opened up on the focusing ring 4
Two straight guide groove directions be set in two organize lens barrel guide pin 5 on, driven by clockwise and anticlockwise rotation focusing ring 4 in organize lens barrel
6 are moved forward and backward, and change its airspace to achieve the purpose that focusing；It is also radial on the focusing ring 4 to be bolted with and middle group of mirror
Cylinder 6 it is matching and for will be connected with focusing ring 4 focus runners locking focusing runner locking nails 26.
In the present embodiment, in order to meet camera lens under different use environments to different relative apertures the needs of, diaphragm 20 is set
Integrated diaphragm is counted, diaphragm is fastened on the inside of rear group lens barrel by two M1.6*2 tapered end holding screws, organizes mirror after described
The outer sheath of cylinder 8 is equipped with aperture setting ring 9, is radially bolted with the diaphragm protruded into rear group lens barrel 8 on the aperture setting ring 9 and leads
Nail 10, one end that the diaphragm guide pin 10 protrudes into rear group lens barrel 8 is connected with the poke rod of diaphragm 20, passes through diaphragm guide pin 10
Connection aperture setting ring 9 forms integral type actuation to drive diaphragm 20 to do open and close movement；Wherein size is opened and closed in order to meet diaphragm
Best folding angle requirement, certain angle diaphragm limiting slot is also devised in rear group lens barrel, with meet camera lens use；Simultaneously
In order to reinforce the practicality, the corresponding relative aperture of also radium-shine different diaphragms rotation angles in rear group lens barrel outer surface.It is described
It is also radial on aperture setting ring 9 to be bolted with the diaphragm locking nail 23 for matching with rear group lens barrel 8 and locking for aperture setting ring 10,
In order to be locked after being adjusted diaphragm to required aperture position by aperture setting ring, to reach fixed purpose.
In the present embodiment, fixing sleeve is equipped with attachment base 12 on the outside of the rear end of the rear group lens barrel 8, in the attachment base 12
Connection screw thread is arranged in portion outer surface.Attachment base is the main parts size that camera lens is connected with camera, and axle portion devises 3
Attachment base can be fixed in rear group lens barrel by M1.6 tapped through hole by 3 M1.6*2 tapered end holding screws；With camera connecting pin
The hickey for devising the 1-32UNF of mainstream on the market is able to satisfy the use of most of mainstream industry camera on the market.
Utility model has the advantages that
(1) for the light path system by CAD and optimization meticulously, what is held water has selected high refractive index, low
The lens materials of dispersion and the various aberrations for accurately correcting the optical path, make resolution of lens be up to 6,000,000 high definition ranks its
The mtf value of camera lens is as shown in Figure 3 in 150lp/mm >=0.5().The big target surface of 1/1.8 〞, which has also been devised, in the light path system enables camera lens
The detection for meeting super large visual angle is applicable to the CCD or CMOS of big 6,000,000 pixel high-resolution of target surface of 1/1.8 〞, meets city
Field demand.
(2) the focusing mode that the light path system uses half group of formula mobile will by CAD and optimization meticulously
Its optical distortion control is in minimum range.Its close-shot is less than -1.8%(such as Fig. 4 away from reachable 50mm, distortion), meet market need
It asks.
(3) shown in its Design of Mechanical Structure (such as Fig. 2), camera lens profile arrangement is Φ 29mm × 49.7mm, to protect
Card camera lens uses two along NEAR and FAR rotation direction consistency when doing half group of mobile focusing counterclockwise in preceding group lens barrel
CAM slot symmetric configuration driven Design, and two CAM slot directions are designed as counterclockwise；In order to realize lens focusing actuation, focus
Have also been devised the straight trough of two width 3mm on ring, middle group of lens barrel is connected by two guide pins and limit two in preceding group lens barrel
In CAM slot, and focusing ring is covered on two guide pins along two straight trough directions, is driven by clockwise and anticlockwise rotation focusing ring
Group lens barrel does back-and-forth motion and reaches focusing purpose；In order to meet camera lens under different use environments the needs of different relative apertures,
Diaphragm is designed to integral type diaphragm, and diaphragm is fastened on the inside of rear group lens barrel by two M1.6*2 tapered end holding screws,
And aperture setting ring formation integral type actuation is connected to drive diaphragm to do open and close movement by diaphragm guide pin；Wherein in order to meet light
The best folding angle requirement of door screen folding size, devises the diaphragm angle limit slot of certain angle in rear group lens barrel also with full
Sufficient camera lens uses；3 different spacer rings and 3 different pressing rings have also been devised in its camera lens mechanical structure, different spacer rings is thick
The airspace between forward and backward group of eyeglass is effectively guaranteed in degree, and pressing ring is non-to devise small stair delustring line at face, effective to hinder
The reflection for having kept off invalid veiling glare makes camera lens reach better imaging effect, to further ensure camera lens quality while also add
The strong overall beautiful and stability of mechanical structure.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (8)
1. a kind of low industrial camera lens that distorts of 1/1.8 inch big target surface 6mm focal length high definition, it is characterised in that: including lens barrel and set
The optical system in lens barrel is set, the optical system includes being along the light focal power that incident direction is set gradually from left to right
The rear group of eyeglass B that preceding group of negative eyeglass A, focal power is positive and the diaphragm between preceding group of eyeglass A and rear group eyeglass B, institute
Preceding group of eyeglass A is stated by the positive crescent moon lens A-1, negative crescent moon lens A-2, negative crescent moon lens A-3, biconcave lens A-4 that set gradually
It is formed with gluing unit A, the biconvex lens A-6 of biconvex lens A-5 contiguity；Group eyeglass B is by the biconcave lens that sets gradually after described
Gluing unit B, the biconvex lens B-3 and biconvex lens B-4 of B-1 and biconvex lens B-2 contiguity are formed.
2. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 1, special
Sign is: the airspace before described in group eyeglass A between positive selenodont lens A-1 and negative selenodont lens A-2 is 0.10mm,
Airspace between the negative selenodont lens A-2 and negative selenodont lens A-3 is 3.40mm, the negative selenodont lens A-
Airspace between 3 and gluing unit A is 2.90mm, the airspace variable quantity between the gluing unit A and biconvex lens A-6
It is 2.60 to 5.70mm.
3. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 1, special
Sign is: the airspace variable quantity before described in group eyeglass A between biconvex lens A-6 and rear group eyeglass B are as follows: 15.1 to
12.0mm, the airspace between the diaphragm and rear group eyeglass B is 3.7mm.
4. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 1, special
Sign is: the airspace of gluing unit B and biconvex lens B-3 is 0.10mm, the biconvex lens B-3 in group eyeglass B after described
Airspace with biconvex lens B-4 is 0.30mm.
5. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 1, special
Sign is: the lens barrel include along light incident direction setting preceding group lens barrel, middle group of lens barrel and rear group lens barrel, described preceding group
Positive crescent moon lens A-1, negative crescent moon lens A-2, negative crescent moon lens A-3 and biconcave lens A-4 and biconvex lens A- in eyeglass A
The gluing unit A of 5 contiguity is successively set in preceding group lens barrel, and the front end of the preceding group lens barrel is fixedly connected with for compressing positive crescent moon lens
The preceding pressing ring of A-1 is provided with spacer ring A between the positive crescent moon lens A-1 and negative crescent moon lens A-2；The biconvex lens A-6 is set
It sets in middle group of lens barrel, the eyeglass trim rings being spirally connected with middle group of lens barrel is provided on front side of biconvex lens A-6；The diaphragm connects firmly
The inside of rear group lens barrel；Gluing unit B, biconvex lens B-3 and the biconvex of the biconcave lens B-1 and biconvex lens B-2 contiguity
Lens B-4 is successively set in rear group lens barrel, and spacer ring B is provided between the biconvex lens B-2 and biconvex lens B-3, described
It is provided with spacer ring C between biconvex lens B-3 and biconvex lens B-4, rear pressing ring is provided on rear side of biconvex lens B-4.
6. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 5, special
Sign is: anticlockwise CAM slot there are two symmetrically opening up in the preceding group lens barrel；The outer wall of the middle group of lens barrel offers
Two tapped through holes, middle group of lens barrel are spirally connected and are locked in preceding group lens barrel via group lens barrel guide pin and two tapped through holes in two
Two CAM slots in, the outside of the preceding group lens barrel is also arranged with focusing ring, opened up on the focusing ring there are two straight guide groove,
Focusing ring is set in two along two straight guide groove directions and organizes on lens barrel guide pin, is driven by clockwise and anticlockwise rotation focusing ring
Group lens barrel is moved forward and backward, and changes its airspace to reach focusing；It is also radial on the focusing ring to be bolted with and middle group of lens barrel
The focusing runner locking nail matching and for will be connected with focusing ring for focusing runner locking.
7. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 6, special
Sign is: the outer sheath of the rear group lens barrel is equipped with aperture setting ring, is radially bolted on the aperture setting ring and protrudes into rear group
Diaphragm guide pin in lens barrel, one end that the diaphragm guide pin protrudes into rear group lens barrel are connected with the poke rod of diaphragm, the light
Door screen, which is adjusted, goes back the radial diaphragm locking nail for being bolted with and being matched with rear group lens barrel for aperture setting ring locking on ring.
8. a kind of low industrial camera lens of distortion of 1/1.8 inch big target surface 6mm focal length high definition according to claim 5, special
Sign is: fixing sleeve is equipped with attachment base on the outside of the rear end of the rear group lens barrel, and connection is arranged in the center outer surface of the attachment base
Screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914706.9U CN209167665U (en) | 2018-11-21 | 2018-11-21 | The low industrial camera lens that distorts of 1/1.8 inch big target surface 6mm focal length high definition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914706.9U CN209167665U (en) | 2018-11-21 | 2018-11-21 | The low industrial camera lens that distorts of 1/1.8 inch big target surface 6mm focal length high definition |
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| CN209167665U true CN209167665U (en) | 2019-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375354A (en) * | 2018-11-21 | 2019-02-22 | 福建福光股份有限公司 | The industrial camera lens of the low distortion of the high definition of 1/1.8 inch big target surface 6mm focal length and working method |
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2018
- 2018-11-21 CN CN201821914706.9U patent/CN209167665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375354A (en) * | 2018-11-21 | 2019-02-22 | 福建福光股份有限公司 | The industrial camera lens of the low distortion of the high definition of 1/1.8 inch big target surface 6mm focal length and working method |
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