JPH0235964B2 - - Google Patents

Info

Publication number
JPH0235964B2
JPH0235964B2 JP58169576A JP16957683A JPH0235964B2 JP H0235964 B2 JPH0235964 B2 JP H0235964B2 JP 58169576 A JP58169576 A JP 58169576A JP 16957683 A JP16957683 A JP 16957683A JP H0235964 B2 JPH0235964 B2 JP H0235964B2
Authority
JP
Japan
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.)
Expired - Fee Related
Application number
JP58169576A
Other versions
JPS6060617A (en
Inventor
Takayuki Ito
Hirobumi Matsuo
Original Assignee
Asahi Optical 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 Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Priority to JP58169576A priority Critical patent/JPH0235964B2/ja
Publication of JPS6060617A publication Critical patent/JPS6060617A/ja
Publication of JPH0235964B2 publication Critical patent/JPH0235964B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144113Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
JP58169576A 1983-09-14 1983-09-14 Expired - Fee Related JPH0235964B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58169576A JPH0235964B2 (ja) 1983-09-14 1983-09-14

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58169576A JPH0235964B2 (ja) 1983-09-14 1983-09-14
US06/648,272 US4740063A (en) 1983-09-14 1984-09-06 Telephoto zoom lens system

Publications (2)

Publication Number Publication Date
JPS6060617A JPS6060617A (en) 1985-04-08
JPH0235964B2 true JPH0235964B2 (ja) 1990-08-14

Family

ID=15889037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58169576A Expired - Fee Related JPH0235964B2 (ja) 1983-09-14 1983-09-14

Country Status (2)

Country Link
US (1) US4740063A (ja)
JP (1) JPH0235964B2 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2558454B2 (ja) * 1987-02-06 1996-11-27 旭光学工業株式会社 コンパクトなズ−ムレンズ
US4934795A (en) * 1987-12-11 1990-06-19 Eastman Kodak Company Zoom lens
JP2691563B2 (ja) * 1988-06-08 1997-12-17 旭光学工業株式会社 望遠ズームレンズ
CN101609205B (zh) * 2009-08-03 2011-02-02 福建福光数码科技有限公司 高倍率长焦距变焦摄像镜头
JP5724167B2 (ja) * 2009-10-21 2015-05-27 株式会社ニコン 撮影レンズ、撮像装置、及び、撮影レンズの調整方法
JP5267956B2 (ja) * 2010-12-07 2013-08-21 株式会社ニコン ズームレンズ、撮像装置及びズームレンズの製造方法
US9791678B2 (en) 2010-12-07 2017-10-17 Nikon Corporation Zoom lens, imaging device and method for manufacturing the zoom lens
JP5333955B2 (ja) * 2011-03-01 2013-11-06 株式会社ニコン ズームレンズ、撮像装置及びズームレンズの製造方法
CN102253472B (zh) * 2011-07-22 2013-11-20 福建福光数码科技有限公司 适配于3ccd摄像机的变焦距摄像镜头
CN106125271B (zh) * 2016-08-22 2018-07-27 福建福光股份有限公司 变焦短距投影镜头及其变焦方法
CN107942481A (zh) * 2017-11-24 2018-04-20 中山依瓦塔光学有限公司 265°超广角鱼眼镜头
CN107703610A (zh) * 2017-11-24 2018-02-16 中山依瓦塔光学有限公司 超广角鱼眼镜头光学系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126819A (en) * 1980-03-10 1981-10-05 Asahi Optical Co Ltd Compact telephoto zoom lens
JPS56150717A (en) * 1980-04-24 1981-11-21 Minolta Camera Co Ltd Zoom lens system
JPS57122414A (en) * 1980-12-05 1982-07-30 Optigon Res & Dev Corp Zoom lens
JPS57135913A (en) * 1981-02-16 1982-08-21 Canon Inc Zoom lens
JPS58117514A (en) * 1981-12-28 1983-07-13 Optigon Res & Dev Corp Zoom lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588482B2 (ja) * 1975-02-26 1983-02-16 Canon Kk
JPS6119013B2 (ja) * 1980-05-15 1986-05-15 Ricoh Kk
JPS6126047B2 (ja) * 1981-10-06 1986-06-18 Asahi Optical Co Ltd

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126819A (en) * 1980-03-10 1981-10-05 Asahi Optical Co Ltd Compact telephoto zoom lens
JPS56150717A (en) * 1980-04-24 1981-11-21 Minolta Camera Co Ltd Zoom lens system
JPS57122414A (en) * 1980-12-05 1982-07-30 Optigon Res & Dev Corp Zoom lens
JPS57135913A (en) * 1981-02-16 1982-08-21 Canon Inc Zoom lens
JPS58117514A (en) * 1981-12-28 1983-07-13 Optigon Res & Dev Corp Zoom lens

Also Published As

Publication number Publication date
US4740063A (en) 1988-04-26
JPS6060617A (en) 1985-04-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees