CN106526805A - F16mm high-definition low-distortion semi-group mobile industrial lens - Google Patents

F16mm high-definition low-distortion semi-group mobile industrial lens Download PDF

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Publication number
CN106526805A
CN106526805A CN201611169056.5A CN201611169056A CN106526805A CN 106526805 A CN106526805 A CN 106526805A CN 201611169056 A CN201611169056 A CN 201611169056A CN 106526805 A CN106526805 A CN 106526805A
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China
Prior art keywords
lens
group
lens barrel
body tube
f16mm
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Granted
Application number
CN201611169056.5A
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Chinese (zh)
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CN106526805B (en
Inventor
陈龙
彭财到
何武强
郑勇强
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Fujian Forecam Tiantong Optics Co Ltd
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Fujian Forecam Tiantong Optics Co Ltd
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Priority to CN201611169056.5A priority Critical patent/CN106526805B/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

The invention relates to an f16mm high-definition low-distortion semi-group mobile industrial lens. The lens comprises a main lens cone, a front group of lenses, an iris diaphragm and a rear group of lenses, wherein a front group lens cone and a rear group lens cone connected to a rear side of the front group lens cone are arranged in the main lens cone; a rear end of the main lens cone is provided with a connection seat; the front group of lenses is successively installed in the front group lens cone along a light incident direction; the iris diaphragm is installed in the rear group lens cone; and the rear group of lenses is installed in the rear group lens cone and the connection seat. The front group of lenses is formed by a first negative crescent lens, a first double convex lens, a second double convex lens and a first agglutination group connected to a first double concave lens in a sealing mode. The rear group of lenses is formed by a second double concave lens, a second agglutination group connected to a third double convex lens in the sealing mode, a fourth double convex lens, a positive crescent lens and a third agglutination group connected to a second negative crescent lens in the sealing mode. The main lens cone is provided with a diaphragm adjusting mechanism and a backseat lens cone is provided with a micro-focusing mechanism. The structure of the mobile industrial lens is simple and distortion of shooting to a close object is less than 1.1%.

Description

A kind of half group of mobile industrial camera lens of low distortion of f16mm high definitions
Technical field
The present invention relates to a kind of half group of mobile industrial camera lens of low distortion of f16mm high definitions.
Background technology
As by imageable target, on the photosurface of imageing sensor, components and parts are Machine Vision System Designs to industrial lens Important step.But the f16mm industrial lens on existing market, unintelligible due to there is field of view edge, distort larger, technique The shortcomings of poor performance, material high cost, have begun to meet the existing market demand.
The content of the invention
It is an object of the invention to provide a kind of half group of mobile industrial camera lens of low distortion of f16mm high definitions, is not only simple in structure, And distortion can be reached to the shooting of closely scenery less than 1.1%.
Technical program of the present invention lies in:A kind of half group of mobile industrial camera lens of low distortion of f16mm high definitions, including lens construction With the light path system being arranged in lens construction, the lens construction includes body tube, is provided with front group of mirror in the body tube Cylinder and rear group of lens barrel being connected on rear side of front group of lens barrel, the rear end of the body tube is provided with the company for being connected with video camera Joint chair, the light path system by front group of eyeglass being installed in front group of lens barrel successively along light incident direction, be installed on rear group of mirror Iriss and rear group of eyeglass composition being installed in rear group of lens barrel and connecting seat in cylinder, the front group eyeglass is by the first negative moon The first gluing unit composition of tooth form lens, the first biconvex lens and the second biconvex lens and the first biconcave lenss contiguity;After described The second gluing unit, the 4th biconvex lens and positive selenodont lens that group eyeglass is touched by the second biconcave lenss and the 3rd biconvex lens With the 3rd gluing unit composition of the second negative selenodont lens contiguity, on the body tube, be provided with diaphragm governor motion, it is described after Fine setting focusing mechanism is additionally provided with seat lens barrel.
Further, the airspace between the front group eyeglass and iriss is 4.03mm;The iriss with It is 2.36mm to organize the airspace between eyeglass afterwards;Airspace before described between group eyeglass and rear group eyeglass is 6.39mm.
Further, the airspace between the described first negative selenodont lens and the first biconvex lens is 12.45mm;Institute It is 0.17mm to state the airspace between the first biconvex lens and the first gluing unit.
Further, the airspace between second gluing unit and the 4th biconvex lens is 0.15mm;Described 4th Airspace between the 3rd gluing unit of biconvex lens is 1.05 ~ 2.85mm.
Further, before described, lens barrel is stepped from front to back is gradually reduced for group, the first negative selenodont lens with The first spacer ring is provided between first biconvex lens, between first biconvex lens and the first biconcave lenss of the first gluing unit Be provided with the second spacer ring, it is described before be also bolted with the front trim ring for being pressed on the portion of week on front side of the first negative selenodont lens in group lens barrel.
Further, the rear group lens barrel is bolted in the rear side of front group of lens barrel, and the iriss are arranged at rear group of lens barrel Forward lumen in, it is described after group lens barrel rear portion inner chamber it is stepped from front to back gradually increases, and the second gluing unit and the Four biconvex lens are installed in the rear portion inner chamber of rear group of lens barrel, are provided between second gluing unit and the 4th biconvex lens Three spacer rings, it is described after the rear end of group lens barrel be also bolted with the middle part trim ring for being pressed on the portion of week on rear side of the 4th biconvex lens.
Further, the iriss are Jing after snap ring is positioned in the forward lumen of group lens barrel, and Jing after radial direction is penetrated Diaphragm locking nail in group lens barrel is fixed in the forward lumen of rear group of lens barrel.
Further, the connecting seat is stepped from front to back is gradually reduced, and connecting seat is placed on primary mirror tube rear end And Jing is fixedly connected with body tube radially across the connecting seat locking jackscrew of connecting seat, is provided with for installing in the connecting seat The chamber of the 3rd gluing unit, the rear end of connecting seat be bolted be pressed on the second negative selenodont lens rear side week portion rear trim ring.
Further, the fine setting focusing mechanism includes the focusing runner being arranged between body tube and rear group lens barrel, focuses on The rear portion difference of runner organizes lens barrel Jing positive and negative tooth with after and body tube is connected, and the anterior line focus ring locking jackscrew for focusing on runner is solid Surely have positioned at the front group of focusing ring between lens barrel and body tube, the rear portion of the body tube is axially disposed gathering sill, described The banking pin being fixedly connected with rear group of lens barrel is provided with gathering sill, and the front portion of the body tube is additionally provided with for focusing on runner First locking nail of locking.
Further, the diaphragm governor motion includes being placed on the aperture setting ring in the middle part of body tube, and the diaphragm is adjusted The diaphragm for being radially bolted with through body tube the diaphragm guide pin stretched in rear group of lens barrel, the diaphragm guide pin and diaphragm on section ring is dialled Bar is connected, and is provided with the thang-kng groove for controlling adjustable diaphragm opening, on the rear group lens barrel on the aperture setting ring also It is provided with the second locking nail being engaged with body tube for aperture setting ring locking.
Compared with prior art, the present invention has advantages below:
3. in structure design(Such as Fig. 2), lens focusing structure is coordinated using multiple thread and position-limit mechanism, and after camera lens Using micro- " focusing " structure in end, it is to avoid the limit of camera lens is used;Rear end diaphragm governor motion ensure that diaphragm size simultaneously Transmutability.Devise different spacer rings and trim ring to ensure the airspace between eyeglass and fixing len, so as to mirror is realized in perfection The various aspects of performance such as head portrait matter, distortion.
2., using the focusing mode of half group of movement, close-shot is away from up to 0.2m;Closer to object distance on realize blur-free imaging, it is and abnormal Become 1.1%(Such as Fig. 5)Hereinafter, meet the little requirement of industrial lens distortion;
1. the material of forward and backward two groups of nine eyeglasses is high index of refraction, the optical glass material of low dispersion, makes the mtf value of camera lens exist 150lp/mm(Such as Fig. 4)More than 0.3, make the high resolution of camera lens up to 5,000,000 pixels, adapt to existing industrial fine definition The requirement of video camera;
Description of the drawings
Fig. 1 is the structural representation of the light path system of the present invention;
Fig. 2 is the structural representation one of the industrial lens of the present invention;
Fig. 3 is the structural representation two of the industrial lens of the present invention;
Fig. 4 is the MTF curve figure of the present invention;
Fig. 5 is the distortion change curve of the present invention;
Fig. 6 is the lens parameters table of the present invention;
Lens barrel 2- focusing ring 3- focusing rings locking jackscrew 4- is organized before 1- focuses on runner 5- body tube 6- diaphragm guide pins The second negative moons of trim ring 12- after trim ring 11- in the middle part of 7- aperture setting ring 8- connecting seats locking jackscrew 9- connecting seat 10- The 3rd the second biconcave lenss of biconvex lens 16- of the 4th biconvex lens 15- of the positive selenodont lens 14- of tooth form lens 13- It is saturating that lens barrel 19- iriss 20- diaphragm locking nail 21- snap rings the first concave-concaves of 22- are organized after the 3rd spacer ring 18- of 17- Mirror 23- the second biconvex lens 24- the second locking nail 25- the second spacer ring the first biconvex lens of 26- 27- first is locked Trim ring 31- banking pin 32- gathering sill 33- light before nail the first spacer rings of 28- the first negative selenodont lens 30- of 29- Eyeglass is organized after eyeglass B- is organized before late driving lever A-.
Specific embodiment
It is that the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed Carefully it is described as follows, but the present invention is not limited to this.
Referring to figs. 1 to Fig. 6
A kind of half group of mobile industrial camera lens of low distortion of f16mm high definitions, including lens construction and the light path being arranged in lens construction System, the lens construction include body tube 5, be provided with front group of lens barrel 1 and be connected on rear side of front group of lens barrel in the body tube Rear group of lens barrel 18, the rear end of the body tube is provided with the connecting seat 9 for being connected with video camera, the light path system by Front group of eyeglass A being installed in front group of lens barrel successively along light incident direction, the iriss 19 being installed in rear group of lens barrel and Rear group of eyeglass B composition being installed in rear group of lens barrel and connecting seat, the front group eyeglass is by the first negative selenodont lens 29, first The first gluing unit composition of biconvex lens 26 and the second biconvex lens 23 and the contiguity of the first biconcave lenss 22;It is described after group eyeglass by Second gluing unit of the second biconcave lenss 16 and the contiguity of the 3rd biconvex lens 15, the 4th biconvex lens 14 and positive selenodont lens 13 With the 3rd gluing unit composition of the second negative contiguity of selenodont lens 12, diaphragm governor motion on the body tube, is provided with, so as to Realize the function that aperture is adjusted.Fine setting focusing mechanism is additionally provided with the back seat lens barrel, can to realize that camera lens closely arrives ∞ Adjust.
In the present embodiment, front group of lens barrel can effectively ensure that concentricity by same machine tooling, so as to coordinate with front group of eyeglass The axiality of group light path before ensureing.
In the present embodiment, the airspace between the front group eyeglass and iriss is 4.03mm;The iriss It is 2.36mm with the airspace between rear group of eyeglass;Airspace before described between group eyeglass and rear group eyeglass is 6.39mm。
In the present embodiment, the airspace between the first negative selenodont lens and the first biconvex lens is 12.45mm; Airspace between first biconvex lens and the first gluing unit is 0.17mm.
In the present embodiment, the airspace between second gluing unit and the 4th biconvex lens is 0.15mm;Described Airspace between the 3rd gluing unit of four biconvex lens is 1.05 ~ 2.85mm.
In the present embodiment, it is described before group lens barrel is stepped from front to back is gradually reduced, the first negative selenodont lens The first spacer ring 28 is provided between the first biconvex lens, so as to ensure the first negative selenodont lens and the first biconvex lens Between thang-kng and air distance.Second is provided between first biconvex lens and the first biconcave lenss of the first gluing unit Spacer ring 25, so that ensure thang-kng and air distance between the first biconvex lens and the second bi-convex lens sheet.Group lens barrel before described The front trim ring 30 for being pressed on the portion of week on front side of the first negative selenodont lens is also bolted with inside, it is ensured that the Assembly stability of front group of eyeglass.
In the present embodiment, the rear group lens barrel is bolted in the rear side of front group of lens barrel, and the iriss are arranged at rear group of mirror Cylinder forward lumen in, it is described after group lens barrel rear portion inner chamber it is stepped from front to back gradually increases, and the second gluing unit and 4th biconvex lens are installed in the rear portion inner chamber of rear group of lens barrel, are provided between second gluing unit and the 4th biconvex lens 3rd spacer ring 17, to ensure the airspace between each eyeglass and thang-kng.After described, the rear end of group lens barrel is also bolted with pressure and puts On rear side of the 4th biconvex lens week portion middle part trim ring 10, to organize eyeglass Assembly stability after ensureing, prevent eyeglass loosen or Person drops out.
In the present embodiment, the connecting seat is stepped from front to back to be gradually reduced, and after connecting seat is placed on body tube The tri- connecting seat locking jackscrews 8 radially across connecting seat in end Jing are fixedly connected with body tube, so as to also define body tube Motion, it is clear as matter to reach so to realize half group of optical path change in focussing process.Use is provided with the connecting seat In the chamber for installing the 3rd gluing unit, the rear end of connecting seat is bolted with the rear pressure for being pressed on the portion of week on rear side of the second negative selenodont lens Circle 11, to ensure eyeglass Assembly stability, prevents eyeglass from loosening.In order to realize half group of movement, devise connecting seat and place the Three gluing units and dock with video camera.
In the present embodiment, the fine setting focusing mechanism includes the focusing runner 4 being arranged between body tube and rear group lens barrel, gathers The rear portion difference of burnt runner organizes lens barrel Jing positive and negative tooth with after and body tube is connected, i.e., using left-handed bull pitch thread and fine thread Mutually coordinate transmission, have the advantages that focusing it is quick, flexibly, backlash it is little.Focus on the rear portion inner ring of runner and the front portion of rear group of lens barrel Outer ring bolt, focuses on the rear portion outer ring of runner and the anterior inner ring bolt of body tube, the focusing runner rear portion inner ring Screw thread is oppositely oriented with the thread for focusing on runner rear portion outer ring.The tri- focusing ring locking jackscrews 3 of anterior Jing for focusing on runner are fixed Have positioned at the front group of focusing ring 2 between lens barrel and body tube, drive when external force rotates focusing ring 2 and runner 4 is focused on towards a side To rotation, the body tube 5 being now connected with its positive and negative tooth and rear group of lens barrel 18 are moved respectively in the opposite direction.It is whole in order to prevent Individual light path takes place along the rotary motion of optical axis, and the rear portion of the body tube is axially disposed gathering sill 32, the gathering sill The banking pin 31 being fixedly connected with rear group of lens barrel is provided with inside, the front portion of the body tube is additionally provided with for focusing on runner locking The first locking nail 27.
Again because rear group of lens barrel 18 be threaded connection into front group of lens barrel 1 together with the structure that links, therefore adjusting focusing ring When driven whole group machinery and light channel structure do away from or near focal plane motion, it is achieved thereby that focusing function.But This focusing range is limited, relies primarily on the stopper slot that cooperates between body tube 5 and banking pin 31 to limit focusing Scope.In focus adjusting mechanism, in order to ensure the concentricity of the precision and camera lens focused in focussing process, if clocking requirement is focused on Screw thread cooperation between runner 4 and body tube 5 and rear group lens barrel 18 will pass through grinding operation.
In the present embodiment, the iriss are Jing after snap ring 21 is positioned in the forward lumen of group lens barrel, and Jing radially wears The diaphragm locking nail 20 entered in rear group of lens barrel is fixed in the forward lumen of rear group of lens barrel.
In the present embodiment, the diaphragm governor motion includes being placed on the aperture setting ring 7 in the middle part of body tube, the diaphragm The light of the diaphragm guide pin 6 that stretch into rear group lens barrel in, the diaphragm guide pin and diaphragm is bolted with through body tube in regulation ring radially Late driving lever 33 is connected, and is provided with the thang-kng groove for controlling adjustable diaphragm openings of sizes, to meet not on the rear group lens barrel With the use environment under the conditions of illumination.It is additionally provided with the aperture setting ring and locks for aperture setting ring The second fixed locking nail 24.
In the present embodiment, in order to more intuitively indicate close-shot away from the change procedure to infinity, mark on body tube 5 The focusing position corresponding to different object distances is shown, while also marking out the corresponding relative aperture value of different aperture positions.Poly- Burnt ring 2 and aperture setting ring 7 have all done corresponding anchor point above, are easy to check.
The technical specification that the present invention is realized is as follows:1)Focal length:f′=16mm;2)Close-shot away from:200mm;3)Distortion:≤1.1%; 4)Relative aperture D/f '=1/1.8;5)2 ω of the angle of visual field:37.94°;6)Resolution:Better than 5,000,000 pixels;7)Light path overall length ∑≤ 54.83mm;8)Applicable spectral line scope:450nm~650nm9)Camera lens overall dimensions:φ35.5×47.5.
Presently preferred embodiments of the present invention is the foregoing is only, for the ordinary skill in the art, according to this Bright teaching, designs f16mm high definitions half group of mobile industrial camera lens of low distortion of multi-form and does not need performing creative labour, Without departing from the principles and spirit of the present invention all impartial changes made according to scope of the present invention patent, modification, Replace and modification, should all belong to the covering scope of the present invention.

Claims (10)

1. half group of mobile industrial camera lens of the low distortion of a kind of f16mm high definitions, including lens construction and the light that is arranged in lens construction Road system, it is characterised in that the lens construction includes body tube, before being provided with front group of lens barrel and being connected in the body tube Rear group of lens barrel on rear side of group lens barrel, the rear end of the body tube is provided with the connecting seat for being connected with video camera, the light Road system by front group of eyeglass being installed in front group of lens barrel successively along light incident direction, be installed in rear group of lens barrel can darkening Door screen and the rear group of eyeglass composition being installed in rear group of lens barrel and connecting seat, it is described before group eyeglass by the first negative selenodont lens, the The first gluing unit composition of one biconvex lens and the second biconvex lens and the first biconcave lenss contiguity;Eyeglass is organized after described by second Second gluing unit of biconcave lenss and the 3rd biconvex lens contiguity, the 4th biconvex lens and positive selenodont lens and the second negative crescent moon The 3rd gluing unit composition of type lens contiguity, is provided with diaphragm governor motion, also sets on the back seat lens barrel on the body tube It is equipped with fine setting focusing mechanism.
2. a kind of f16mm high definitions according to claim 1 it is low distortion half group of mobile industrial camera lens, it is characterised in that it is described The front group of airspace between eyeglass and iriss is 4.03mm;Airspace between the iriss and rear group eyeglass For 2.36mm;Airspace before described between group eyeglass and rear group eyeglass is 6.39mm.
3. a kind of f16mm high definitions according to claim 1 and 2 it is low distortion half group of mobile industrial camera lens, it is characterised in that institute It is 12.45mm to state the airspace between the first negative selenodont lens and the first biconvex lens;First biconvex lens and Airspace between one gluing unit is 0.17mm.
4. a kind of f16mm high definitions according to claim 3 it is low distortion half group of mobile industrial camera lens, it is characterised in that it is described Airspace between second gluing unit and the 4th biconvex lens is 0.15mm;Between the 3rd gluing unit of 4th biconvex lens Airspace be 1.05 ~ 2.85mm.
5. a kind of f16mm high definitions half group of mobile industrial camera lens of low distortion according to claim 1,2 or 4, it is characterised in that Before described, lens barrel is stepped from front to back is gradually reduced for group, sets between the first negative selenodont lens and the first biconvex lens The first spacer ring is equipped with, the second spacer ring, institute between first biconvex lens and the first biconcave lenss of the first gluing unit, is provided with State and be also bolted with the front trim ring for being pressed on the portion of week on front side of the first negative selenodont lens in front group of lens barrel.
6. a kind of f16mm high definitions according to claim 1 it is low distortion half group of mobile industrial camera lens, it is characterised in that it is described The rear side that lens barrel is bolted in front group of lens barrel is organized afterwards, and the iriss are arranged in the forward lumen of rear group of lens barrel, described rear group The rear portion inner chamber of lens barrel is stepped from front to back gradually to be increased, and the second gluing unit and the 4th biconvex lens are installed on rear group of mirror In the rear portion inner chamber of cylinder, the 3rd spacer ring between second gluing unit and the 4th biconvex lens, is provided with, the rear group lens barrel Rear end is also bolted with the middle part trim ring for being pressed on the portion of week on rear side of the 4th biconvex lens.
7. a kind of f16mm high definitions according to claim 6 it is low distortion half group of mobile industrial camera lens, it is characterised in that it is described Iriss are Jing after snap ring is positioned in the forward lumen of group lens barrel, and the diaphragm locking nail Jing after radial direction is penetrated in group lens barrel is solid In the forward lumen of rear group of lens barrel.
8. a kind of f16mm high definitions half group of mobile industrial camera lens of low distortion according to claim 1,6 or 7, it is characterised in that The connecting seat is stepped from front to back to be gradually reduced, and connecting seat is placed on primary mirror tube rear end and Jing is radially across connecting seat Connecting seat locking jackscrew be fixedly connected with body tube, be provided with the connecting seat for installation the 3rd gluing unit chamber, The rear end of connecting seat be bolted be pressed on the second negative selenodont lens rear side week portion rear trim ring.
9. a kind of f16mm high definitions according to claim 1 it is low distortion half group of mobile industrial lens construction, it is characterised in that The fine setting focusing mechanism includes the focusing runner being arranged between body tube and rear group lens barrel, and Jing is just being distinguished in the rear portion for focusing on runner Anti- tooth is connected with rear group of lens barrel and body tube, focus on runner anterior line focus ring locking jackscrew be fixed with positioned at front group of lens barrel and Focusing ring between body tube, the rear portion of the body tube is axially disposed gathering sill, be provided with the gathering sill with it is rear The banking pin that group lens barrel is fixedly connected, the front portion of the body tube are additionally provided with the first locking nail for focusing on runner locking.
10. a kind of f16mm high definitions according to claim 1 it is low distortion half group of mobile industrial lens construction, it is characterised in that The diaphragm governor motion includes being placed on the aperture setting ring in the middle part of body tube, is radially bolted with and wears on the aperture setting ring The diaphragm guide pin that body tube is stretched in rear group of lens barrel is crossed, the diaphragm guide pin is connected with the diaphragm driving lever of diaphragm, described rear group The thang-kng groove for controlling adjustable diaphragm opening is provided with lens barrel, is additionally provided with and matches with body tube on the aperture setting ring Share in the second locking nail of aperture setting ring locking.
CN201611169056.5A 2016-12-16 2016-12-16 F16mm high-definition low-distortion half-group mobile industrial lens Active CN106526805B (en)

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Cited By (8)

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CN107238909A (en) * 2017-07-25 2017-10-10 浙江舜宇光学有限公司 Split type camera lens and camera module
CN109001896A (en) * 2018-09-29 2018-12-14 苏州莱能士光电科技股份有限公司 A kind of optical imaging system under no light conditions
CN109143530A (en) * 2017-06-16 2019-01-04 宁波舜宇光电信息有限公司 Camera lens and camera module comprising the camera lens
CN109283651A (en) * 2018-12-12 2019-01-29 广东奥普特科技股份有限公司 A kind of high-resolution machine visual lens structure small in size
CN109725409A (en) * 2019-01-29 2019-05-07 广东奥普特科技股份有限公司 A kind of telecentric lens
CN109814225A (en) * 2019-01-28 2019-05-28 东莞敏威光电科技有限公司 Industrial detection conoscope and its imaging detection method
CN110888223A (en) * 2019-11-21 2020-03-17 福建福光天瞳光学有限公司 Large-light-transmission high-definition low-distortion machine vision lens and focusing method thereof
CN111522127A (en) * 2020-05-30 2020-08-11 福建福光天瞳光学有限公司 Small short-focus high-resolution lens and manufacturing method thereof

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