JPS6488512A - Zoom lens - Google Patents

Zoom lens

Info

Publication number
JPS6488512A
JPS6488512A JP63174851A JP17485188A JPS6488512A JP S6488512 A JPS6488512 A JP S6488512A JP 63174851 A JP63174851 A JP 63174851A JP 17485188 A JP17485188 A JP 17485188A JP S6488512 A JPS6488512 A JP S6488512A
Authority
JP
Japan
Prior art keywords
lens
focal length
structure body
lens structure
finder
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
JP63174851A
Other languages
English (en)
Inventor
Roi Esuteru Rii
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of JPS6488512A publication Critical patent/JPS6488512A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical 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
    • G02B15/144—Optical 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
    • G02B15/1445—Optical 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 negative
    • G02B15/144507—Optical 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 negative arranged -++-
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical 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
    • G02B15/16—Optical 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
    • G02B15/177—Optical 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 negative front lens or group of lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP63174851A 1987-07-13 1988-07-13 Zoom lens Pending JPS6488512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/072,945 US4756609A (en) 1987-07-13 1987-07-13 Four component compact zoom lens

Publications (1)

Publication Number Publication Date
JPS6488512A true JPS6488512A (en) 1989-04-03

Family

ID=22110730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63174851A Pending JPS6488512A (en) 1987-07-13 1988-07-13 Zoom lens

Country Status (6)

Country Link
US (1) US4756609A (ja)
JP (1) JPS6488512A (ja)
KR (1) KR890002686A (ja)
GB (1) GB2213956B (ja)
HK (1) HK83092A (ja)
SG (1) SG12192G (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272316A (ja) * 1988-09-07 1990-03-12 Konica Corp コンパクトなズームレンズ
US5004329A (en) * 1989-07-14 1991-04-02 Olympus Optical Co., Ltd. Vari-focal lens system
JPH03240015A (ja) * 1990-02-17 1991-10-25 Canon Inc ズームレンズ
US5365376A (en) * 1991-09-02 1994-11-15 Canon Kabushiki Kaisha Zoom lens
JP2002098888A (ja) * 2000-09-25 2002-04-05 Sony Corp 撮像レンズ
JP2011209677A (ja) * 2009-10-20 2011-10-20 Fujifilm Corp 撮像レンズおよび撮像装置
CN107861222A (zh) * 2017-11-18 2018-03-30 瑞声科技(新加坡)有限公司 摄像光学镜头
CN107976783A (zh) * 2017-11-18 2018-05-01 瑞声科技(新加坡)有限公司 摄像光学镜头

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818082A (en) * 1988-05-27 1989-04-04 Eastman Kodak Company Compact wide-angle close-focus SLR zoom lens
JP2582435B2 (ja) * 1989-04-29 1997-02-19 オリンパス光学工業株式会社 撮像光学系
US5264965A (en) * 1991-02-15 1993-11-23 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens
US5483380A (en) * 1992-10-26 1996-01-09 Olympus Optical Co., Ltd. Compact zoom lens system having high zoom ratio and wide view angle
TW257837B (en) * 1993-09-03 1995-09-21 Canon Kk Zoom lens
KR100310435B1 (ko) * 1993-12-22 2001-12-28 이중구 광각줌렌즈
TW319831B (ja) * 1994-07-29 1997-11-11 Canon Kk
JP3467086B2 (ja) * 1994-08-29 2003-11-17 オリンパス光学工業株式会社 ズームレンズを備えたカメラ
JP5775687B2 (ja) * 2010-12-17 2015-09-09 オリンパス株式会社 分光検出装置
JP2015166834A (ja) * 2014-03-04 2015-09-24 ソニー株式会社 ズームレンズおよび撮像装置
CN104216097A (zh) * 2014-08-04 2014-12-17 江苏卡罗卡国际动漫城有限公司 一种投影机物镜
TWI665488B (zh) 2018-12-26 2019-07-11 大立光電股份有限公司 攝影光學系統、取像裝置及電子裝置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158280B (de) * 1960-08-17 1963-11-28 Schneider Co Optische Werke Vario-Vorsatz fuer photographische oder kinematographische Objektive
US3532414A (en) * 1966-09-03 1970-10-06 Nippon Kogaku Kk Continuous magnification lens system
GB1214341A (en) * 1968-06-06 1970-12-02 Rank Organisation Ltd Improvements in or relating to objectives of variable focal length
JPS4923912B1 (ja) * 1970-12-15 1974-06-19
US3697155A (en) * 1971-08-02 1972-10-10 Eastman Kodak Co Compact zoom lens
JPS492548A (ja) * 1972-04-18 1974-01-10
US3901585A (en) * 1973-10-23 1975-08-26 Xerox Corp Zoom lens assembly
JPS5426754A (en) * 1977-07-30 1979-02-28 Asahi Optical Co Ltd Zoom lens having small distorted aberration
DE2831986C2 (de) * 1978-07-20 1984-11-29 Optische Werke G. Rodenstock, 8000 München Reproduktionsobjektiv veränderbarer Brennweite mit konstantem Abstand zwischen Objekt- und Bildebene
JPS5833531B2 (ja) * 1980-06-05 1983-07-20 コニカ株式会社 高変倍率ズ−ムレンズ
JPS5719709A (en) * 1980-07-11 1982-02-02 Nippon Kogaku Kk <Nikon> Zoom lens

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272316A (ja) * 1988-09-07 1990-03-12 Konica Corp コンパクトなズームレンズ
US5004329A (en) * 1989-07-14 1991-04-02 Olympus Optical Co., Ltd. Vari-focal lens system
JPH03240015A (ja) * 1990-02-17 1991-10-25 Canon Inc ズームレンズ
US5365376A (en) * 1991-09-02 1994-11-15 Canon Kabushiki Kaisha Zoom lens
JP2002098888A (ja) * 2000-09-25 2002-04-05 Sony Corp 撮像レンズ
JP2011209677A (ja) * 2009-10-20 2011-10-20 Fujifilm Corp 撮像レンズおよび撮像装置
CN107861222A (zh) * 2017-11-18 2018-03-30 瑞声科技(新加坡)有限公司 摄像光学镜头
CN107976783A (zh) * 2017-11-18 2018-05-01 瑞声科技(新加坡)有限公司 摄像光学镜头
CN107861222B (zh) * 2017-11-18 2020-02-04 瑞声科技(新加坡)有限公司 摄像光学镜头
CN107976783B (zh) * 2017-11-18 2020-02-18 瑞声科技(新加坡)有限公司 摄像光学镜头

Also Published As

Publication number Publication date
GB2213956B (en) 1991-11-20
GB8816626D0 (en) 1988-08-17
KR890002686A (ko) 1989-04-11
US4756609A (en) 1988-07-12
HK83092A (en) 1992-11-06
SG12192G (en) 1992-04-16
GB2213956A (en) 1989-08-23

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