CN110231697A - A kind of small distortion pick-up lens of wide-angle - Google Patents

A kind of small distortion pick-up lens of wide-angle Download PDF

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Publication number
CN110231697A
CN110231697A CN201910491208.0A CN201910491208A CN110231697A CN 110231697 A CN110231697 A CN 110231697A CN 201910491208 A CN201910491208 A CN 201910491208A CN 110231697 A CN110231697 A CN 110231697A
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CN
China
Prior art keywords
lens
focal power
meet
cemented doublet
wide
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.)
Pending
Application number
CN201910491208.0A
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Chinese (zh)
Inventor
刘雨晴
龚俊强
全丽伟
王晓
李建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Optech Co Ltd
Original Assignee
Union Optech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Union Optech Co Ltd filed Critical Union Optech Co Ltd
Priority to CN201910491208.0A priority Critical patent/CN110231697A/en
Publication of CN110231697A publication Critical patent/CN110231697A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
    • 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006—Miniaturised 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
    • 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

The invention discloses a kind of small distortion pick-up lens of wide-angle, it includes the first lens set gradually by object side to image side, second lens, the third lens, 4th lens, first cemented doublet, second cemented doublet, third cemented doublet, 11st lens, 4th cemented doublet, 5th cemented doublet, 17th lens, colour splitting prism component and three imager chips, wherein all lens and all cemented doublets are spheric glass, incident light is divided into three beams according to wavelength by colour splitting prism component, and three beams light is projected from three exit facets respectively, three imager chips are respectively arranged at the corresponding position of three exit facets of colour splitting prism component.Camera lens of the present invention can be realized wide-angle photography, high pixel, large aperture and small distortion, camera shooting and have excellent performance, and have good market prospects.

Description

A kind of small distortion pick-up lens of wide-angle
Technical field
The present invention relates to a kind of optical lens more particularly to a kind of small distortion pick-up lens of wide-angle.
Background technique
Existing pick-up lens is generally list CCD imaging lens, for the camera lens being imaged with three CCD, single CCD It is lower that camera lens compares three CCD camera lens color saturabilities.The camera lens of three CCD is burnt very long after being caused due to the addition of colour splitting prism, often Often distorting the situations such as large and small aperture, pixel be low occur.
The invention patent is that the technical problem more than being directed to is proposed.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of small distortion pick-up lens of the wide-angle photography of high pixel, large aperture.
The present invention be solve its technical problem and the technical solution adopted is that:
A kind of small distortion pick-up lens of wide-angle comprising set gradually by object side to image side
First lens, focal power Φ1Meet: 0.005 < Φ1<0.006；
Second lens, focal power Φ2Meet: -0.02 < Φ2<0.01；
The third lens, focal power Φ3Meet: -0.05 < Φ3<0.03；
4th lens, focal power Φ4Meet: -0.05 < Φ4<0.04；
First cemented doublet, focal power Φ100Meet: 0.01 < Φ100<0.07；
Second cemented doublet, focal power Φ200Meet: -0.04 < Φ200<0.01；
Diaphragm；
Third cemented doublet, focal power Φ300Meet: -0.02 < Φ300<0.02；
11st lens, focal power Φ11Meet: -0.02 < Φ11<0.03；
4th cemented doublet, focal power Φ400Meet: -0.03 < Φ400<0.03；
5th cemented doublet, focal power Φ500Meet: -0.02 < Φ500<0.01；
17th lens, focal power Φ17Meet: -0.02 < Φ17<0.01；
Colour splitting prism component, incident light is divided into three beams according to wavelength by colour splitting prism component, and three beams light is divided It is not projected from three exit facets；
Three imager chips are respectively arranged at the corresponding position of three exit facets of colour splitting prism component；
Wherein all lens and all cemented doublets are spheric glass.
Preferably, the second power of lens Φ2Meet: -0.02 < Φ2<0；
The focal power Φ of the third lens3Meet: -0.05 < Φ3<0；
4th power of lens Φ4Meet: -0.05 < Φ4<0；
The focal power Φ of second cemented doublet200Meet: 0 < Φ200<0.01；
The focal power Φ of third cemented doublet300Meet: 0 < Φ300<0.02；
11st power of lens Φ11Meet: 0 < Φ11<0.03；
The focal power Φ of 4th cemented doublet400Meet: 0 < Φ400<0.03；
The focal power Φ of 5th cemented doublet500Meet: 0 < Φ500<0.01；
17th power of lens Φ17Meet: 0 < Φ17<0.01；
Preferably, the first cemented doublet is by the 5th lens that object side is arranged in and the 6th lens that image side is arranged in Gluing forms, and the 5th power of lens is positive, and the 6th power of lens is negative.
Preferably, the second cemented doublet is by the 7th lens that object side is arranged in and the 8th lens that image side is arranged in Gluing forms, and the 7th power of lens is positive, and the 8th power of lens is negative.
Preferably, third cemented doublet is by the 9th lens that object side is arranged in and the tenth lens that image side is arranged in Gluing forms, and the 9th power of lens is negative, and the tenth power of lens is positive.
Preferably, the 4th cemented doublet be include ten two lens successively glued together from object side to image side, 13rd lens and the 14th lens, the 12nd power of lens are negative, and the 13rd power of lens is positive, and the 14th thoroughly The focal power of mirror is negative.
Preferably, the 5th cemented doublet is by the 15th lens of object side are arranged in and are arranged in the 16th of image side Lens gluing forms, and the 15th power of lens is negative, and the 16th power of lens is positive.
Preferably, all lens and all cemented doublets are glass spheric glass.
The invention patent has the advantage that compared with prior art
1, the small distortion of camera lens wide-angle of the invention patent, optical distortion are can be controlled within 14%；
2, existing wide-angle lens volume is generally bigger than normal, the invention patent camera lens it is small in size, optics overall length be less than 213mm, Outer diameter is within 60mm, aperture size F/#1.4；
3, existing wide-angle lens causes resolution ratio to reduce, the invention patent is small abnormal in realization to reduce distortion, distortion etc. Become, small size while improves the resolution ratio of camera lens；
4, all global surface glass materials of eyeglasses use of the invention patent, save the cost, difficulty of processing are low.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
Referring to Fig.1, the embodiment of the present invention proposes a kind of small distortion pick-up lens of wide-angle comprising by object side to image side The first lens 1, the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5, the 6th lens the 6, the 7th set gradually are saturating Mirror 7, the 8th lens 8, diaphragm 18, the 9th lens 9, the tenth lens 10, the 11st lens 11, the 12nd lens the 12, the 13rd are thoroughly Mirror 13, the 14th lens 14, the 15th lens 15, the 16th lens 16, the 17th lens 17, colour splitting prism component 19 and three A imager chip 20.5th lens 5, the first balsaming lens of glued composition of the 6th lens 6, the 7th lens 7, the 8th lens 8 are glued Form the second balsaming lens, the glued composition third balsaming lens of the 9th lens 9, the tenth lens 10, the 12nd lens the 12, the 13rd Lens 13, the 4th balsaming lens of glued composition of the 14th lens 14, the glued composition the 5th of the 15th lens 15, the 16th lens 16 Cemented doublet 500.All lens are glass spheric glass, and colour splitting prism component 19 uses existing 191 groups of three pieces of prisms Incident light is divided into three beams according to the wavelength for entering light by structure made of conjunction, and by three beams light respectively from three exit facets It projects；Three imager chips 20 are respectively arranged at the corresponding position of three exit facets of colour splitting prism component 19.
The focal power Φ of first lens 11Meet: 0.005 < Φ1<0.006；
The focal power Φ of second lens 22Meet: -0.02 < Φ2<0.01；
The focal power Φ of the third lens 33Meet: -0.05 < Φ3<0.03；
The focal power Φ of 4th lens 44Meet: -0.05 < Φ4<0.04；
The focal power Φ of first cemented doublet 100100Meet: 0.01 < Φ100<0.07；
The focal power Φ of second cemented doublet 200200Meet: -0.04 < Φ200<0.01；
The focal power Φ of third cemented doublet 300300Meet: -0.02 < Φ300<0.02；
The focal power Φ of 11st lens 1111Meet: -0.02 < Φ11<0.03；
The focal power Φ of 4th cemented doublet 400400Meet: -0.03 < Φ400<0.03；
The focal power Φ of 5th cemented doublet 500500Meet: -0.02 < Φ500<0.01；
The focal power Φ of 17th lens 1717Meet: -0.02 < Φ17<0.01。
Preferably, the focal power Φ of the second lens 22Meet: -0.02 < Φ2<0；The focal power Φ of the third lens 33Meet :- 0.05<Φ3<0；The focal power Φ of 4th lens 44Meet: -0.05 < Φ4<0；The focal power Φ of second cemented doublet 200200It is full Foot: 0 < Φ200<0.01；The focal power Φ of third cemented doublet 300300Meet: 0 < Φ300<0.02；The light focus of 11st lens 11 Spend Φ11Meet: 0 < Φ11<0.03；The focal power Φ of 4th cemented doublet 400400Meet: 0 < Φ400<0.03；5th glued mirror The focal power Φ of piece 500500Meet: 0 < Φ500<0.01；The focal power Φ of 17th lens 1717Meet: 0 < Φ17<0.01；
Preferably, the first lens 1 select biconvex lens；Second lens 2 select meniscus；The third lens 3 select concave-concave Lens；4th lens 4 select biconcave lens；5th lens 5 select biconvex lens, and focal power is positive；6th lens 6 are selected recessed Convex lens, focal power are negative；7th lens 7 select concave-convex lens, and focal power is positive；8th lens 8 select biconcave lens, Its focal power is negative；9th lens 9 select biconcave lens, and focal power is negative, and the tenth lens 10 select biconvex lens, light focus Degree is positive；11st lens 11 select meniscus；12nd lens 12 select concave-convex lens, and focal power is negative；13rd Lens 13 select biconvex lens, and focal power is positive；14th lens 14 select concave-convex lens, and focal power is negative；15th Lens 15 select meniscus, and focal power is negative；16th lens 16 select biconvex lens, and focal power is positive；17th Lens 17 select biconvex lens.
First lens 1 press the outer diameter of small distortion and camera lens using biconvex lens, and the second lens 2, the third lens 3 are all made of The lens that focal power is negative enable the high angle scattered light into camera lens to generate and turn back, and realize wide angle shot, reduce lens body Product；In addition, all lens are all made of glass spheric glass, then production difficulty can be reduced, improve production efficiency, reduce simultaneously Material cost.
Each lens design parameters are as shown in table 1 in one embodiment of the invention:
Table 1
The camera lens of the present embodiment is surveyed, photographic optical system overall length meets: TOR < 213mm, wherein TOR adds for camera lens The total length of colour splitting prism component 19；Outer diameter is within 60mm, aperture size F/#1.4；Benefit from whole knot of the invention Structure, optical distortion are can be controlled within 14%, and the resolution ratio of camera lens can also be improved while the small distortion of realization, small size.
The above is only preferred embodiments of the invention, as long as realizing the technical side of the object of the invention with essentially identical means Case belongs within protection scope of the present invention.

Claims (8)

1. a kind of small distortion pick-up lens of wide-angle, it is characterised in that it includes being set gradually by object side to image side
First lens (1), focal power Φ1Meet: 0.005 < Φ1<0.006；
Second lens (2), focal power Φ2Meet: -0.02 < Φ2<0.01；
The third lens (3), focal power Φ3Meet: -0.05 < Φ3<0.03；
4th lens (4), focal power Φ4Meet: -0.05 < Φ4<0.04；
First cemented doublet (100), focal power Φ100Meet: 0.01 < Φ100<0.07；
Second cemented doublet (200), focal power Φ200Meet: -0.04 < Φ200<0.01；
Diaphragm (18)；
Third cemented doublet (300), focal power Φ300Meet: -0.02 < Φ300<0.02；
11st lens (11), focal power Φ11Meet: -0.02 < Φ11<0.03；
4th cemented doublet (400), focal power Φ400Meet: -0.03 < Φ400<0.03；
5th cemented doublet (500), focal power Φ500Meet: -0.02 < Φ500<0.01；
17th lens (17), focal power Φ17Meet: -0.02 < Φ17<0.01；
Incident light is divided into three beams according to wavelength by colour splitting prism component (19), the colour splitting prism component (19), and will Three beams light is projected from three exit facets respectively；
Three imager chips (20) are respectively arranged at the corresponding position of three exit facets of colour splitting prism component (19)；
Wherein all lens and all cemented doublets are spheric glass.
2. the small distortion pick-up lens of a kind of wide-angle according to claim 1, which is characterized in that second lens (2) Focal power Φ2Meet: -0.02 < Φ2<0；
The focal power Φ of the third lens (3)3Meet: -0.05 < Φ3<0；
The focal power Φ of 4th lens (4)4Meet: -0.05 < Φ4<0；
The focal power Φ of second cemented doublet (200)200Meet: 0 < Φ200<0.01；
The focal power Φ of the third cemented doublet (300)300Meet: 0 < Φ300<0.02；
The focal power Φ of 11st lens (11)11Meet: 0 < Φ11<0.03；
The focal power Φ of 4th cemented doublet (400)400Meet: 0 < Φ400<0.03；
The focal power Φ of 5th cemented doublet (500)500Meet: 0 < Φ500<0.01；
The focal power Φ of 17th lens (17)17Meet: 0 < Φ17<0.01。
3. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that described first is glued Eyeglass (100) is to be formed by the 5th lens (5) that object side is arranged in and the 6th lens (6) gluing that image side is arranged in, described the The focal power of five lens (5) is positive, and the focal power of the 6th lens (6) is negative.
4. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that described second is glued Eyeglass (200) is to be formed by the 7th lens (7) that object side is arranged in and the 8th lens (8) gluing that image side is arranged in, described the The focal power of seven lens (7) is positive, and the focal power of the 8th lens (8) is negative.
5. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that the third is glued Eyeglass (300) is to be formed by the 9th lens (9) that object side is arranged in and the tenth lens (10) gluing that image side is arranged in, described the The focal power of nine lens (9) is negative, and the focal power of the tenth lens (10) is positive.
6. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that described the 4th is glued Eyeglass (400) be include ten two lens (12) successively glued together from object side to image side, the 13rd lens (13) and The focal power of 14 lens (14), the 12nd lens (12) is negative, and the focal power of the 13rd lens (13) is positive, institute The focal power for stating the 14th lens (14) is negative.
7. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that described the 5th is glued Eyeglass (500) is to be formed by the 15th lens (15) that object side is arranged in and the 16th lens (16) gluing that image side is arranged in, The focal power of 15th lens (15) is negative, and the focal power of the 16th lens (16) is positive.
8. the small distortion pick-up lens of a kind of wide-angle according to claim 1 or 2, which is characterized in that all lens and institute Some cemented doublets are glass spheric glass.
CN201910491208.0A 2019-06-06 2019-06-06 A kind of small distortion pick-up lens of wide-angle Pending CN110231697A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114779441A (en) * 2022-04-29 2022-07-22 厦门力鼎光电股份有限公司 Conoscopic lens

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Publication number Priority date Publication date Assignee Title
JP2004109559A (en) * 2002-09-19 2004-04-08 Minolta Co Ltd Zoom lens system
KR101240335B1 (en) * 2011-05-11 2013-03-07 카바스(주) Is used in 3d,high magnification zoom lens which broadcating camerras
US20180081156A1 (en) * 2016-09-16 2018-03-22 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, imaging apparatus and camera
CN108681051A (en) * 2018-05-23 2018-10-19 中山联合光电科技股份有限公司 High-resolution, big multiplying power, the infrared confocal varifocal optical system in short focus end
CN208297816U (en) * 2018-05-23 2018-12-28 中山联合光电科技股份有限公司 High-resolution, big multiplying power, the infrared confocal Varifocus optical apparatus in short focus end
CN208477195U (en) * 2018-07-13 2019-02-05 嘉兴中润光学科技有限公司 Minimize the high definition varifocal optical system of big target surface
CN209784642U (en) * 2019-06-06 2019-12-13 中山联合光电科技股份有限公司 Wide-angle and small-distortion photographic lens

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004109559A (en) * 2002-09-19 2004-04-08 Minolta Co Ltd Zoom lens system
KR101240335B1 (en) * 2011-05-11 2013-03-07 카바스(주) Is used in 3d,high magnification zoom lens which broadcating camerras
US20180081156A1 (en) * 2016-09-16 2018-03-22 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, imaging apparatus and camera
CN108681051A (en) * 2018-05-23 2018-10-19 中山联合光电科技股份有限公司 High-resolution, big multiplying power, the infrared confocal varifocal optical system in short focus end
CN208297816U (en) * 2018-05-23 2018-12-28 中山联合光电科技股份有限公司 High-resolution, big multiplying power, the infrared confocal Varifocus optical apparatus in short focus end
CN208477195U (en) * 2018-07-13 2019-02-05 嘉兴中润光学科技有限公司 Minimize the high definition varifocal optical system of big target surface
CN209784642U (en) * 2019-06-06 2019-12-13 中山联合光电科技股份有限公司 Wide-angle and small-distortion photographic lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114779441A (en) * 2022-04-29 2022-07-22 厦门力鼎光电股份有限公司 Conoscopic lens
CN114779441B (en) * 2022-04-29 2023-05-26 厦门力鼎光电股份有限公司 Taper lens

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