JPH045168B2 - - Google Patents

Info

Publication number
JPH045168B2
JPH045168B2 JP58187398A JP18739883A JPH045168B2 JP H045168 B2 JPH045168 B2 JP H045168B2 JP 58187398 A JP58187398 A JP 58187398A JP 18739883 A JP18739883 A JP 18739883A JP H045168 B2 JPH045168 B2 JP H045168B2
Authority
JP
Japan
Prior art keywords
lens
lens group
refractive power
zoom
group
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.)
Expired
Application number
JP58187398A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6079319A (ja
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 filed Critical
Priority to JP58187398A priority Critical patent/JPS6079319A/ja
Priority to US06/657,762 priority patent/US4639096A/en
Publication of JPS6079319A publication Critical patent/JPS6079319A/ja
Publication of JPH045168B2 publication Critical patent/JPH045168B2/ja
Granted 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
    • G02B15/1441—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 positive
    • G02B15/144113—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 positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58187398A 1983-10-06 1983-10-06 高変倍ズ−ムレンズ Granted JPS6079319A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58187398A JPS6079319A (ja) 1983-10-06 1983-10-06 高変倍ズ−ムレンズ
US06/657,762 US4639096A (en) 1983-10-06 1984-10-04 High range zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58187398A JPS6079319A (ja) 1983-10-06 1983-10-06 高変倍ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS6079319A JPS6079319A (ja) 1985-05-07
JPH045168B2 true JPH045168B2 (en]) 1992-01-30

Family

ID=16205323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58187398A Granted JPS6079319A (ja) 1983-10-06 1983-10-06 高変倍ズ−ムレンズ

Country Status (2)

Country Link
US (1) US4639096A (en])
JP (1) JPS6079319A (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071335B2 (ja) * 1985-05-31 1995-01-11 オリンパス光学工業株式会社 望遠ズ−ムレンズ
US4871239A (en) * 1986-09-09 1989-10-03 Minolta Camera Kabushiki Kaisha Zoom lens system for minimal lens system length and minimal aberrations
US4861145A (en) * 1987-06-30 1989-08-29 Ricoh Company, Ltd. Small-size zoom lens of widely variable magnification
JPS6479719A (en) * 1987-09-21 1989-03-24 Asahi Optical Co Ltd Telephoto zoom lens
GB2213285B (en) * 1987-12-29 1992-10-14 Asahi Optical Co Ltd Compact zoom lens system capable of high zoom ratio and having coverage of a wide visual field
JP2773131B2 (ja) * 1988-03-31 1998-07-09 ミノルタ株式会社 コンパクトな高変倍率ズームレンズ系
US5182671A (en) * 1988-09-19 1993-01-26 Canon Kabushiki Kaisha Variable magnification optical system having a capability of stabilizing the image
US5400072A (en) * 1988-12-23 1995-03-21 Hitachi, Ltd. Video camera unit having an airtight mounting arrangement for an image sensor chip
US5191476A (en) * 1990-12-03 1993-03-02 Nikon Corporation Great relative aperture zoom lens
US5633759A (en) * 1994-09-20 1997-05-27 Minolta Camera Co., Ltd. Zoom lens system
US5719708A (en) * 1994-12-12 1998-02-17 Olympus Optical Co., Ltd. Zoom lens system
JP3584107B2 (ja) * 1996-01-06 2004-11-04 キヤノン株式会社 ズームレンズ
JP3564014B2 (ja) * 1999-09-28 2004-09-08 キヤノン株式会社 防振機能を有したズームレンズ及びそれを有するテレビカメラ
AU2003267186A1 (en) * 2002-05-08 2003-11-11 Target Technology Company, Llc. Silver alloy thin film reflector and transparent electrical conductor
JP5025232B2 (ja) * 2006-11-20 2012-09-12 オリンパスイメージング株式会社 変倍光学系を用いた撮像装置
JP5352990B2 (ja) * 2007-11-22 2013-11-27 株式会社リコー ズームレンズおよびカメラ装置および携帯情報端末装置
JP5185799B2 (ja) * 2008-12-19 2013-04-17 オリンパスイメージング株式会社 ズームレンズ及びそれを備えた撮像装置
JP5341247B2 (ja) * 2012-12-17 2013-11-13 オリンパスイメージング株式会社 ズームレンズ及びそれを備えた撮像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133713A (en) * 1980-03-24 1981-10-20 Asahi Optical Co Ltd Zoom lens
JPS5833531B2 (ja) * 1980-06-05 1983-07-20 コニカ株式会社 高変倍率ズ−ムレンズ

Also Published As

Publication number Publication date
US4639096A (en) 1987-01-27
JPS6079319A (ja) 1985-05-07

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