DE69226934T2 - Zoomobjektiv - Google Patents

Zoomobjektiv

Info

Publication number
DE69226934T2
DE69226934T2 DE69226934T DE69226934T DE69226934T2 DE 69226934 T2 DE69226934 T2 DE 69226934T2 DE 69226934 T DE69226934 T DE 69226934T DE 69226934 T DE69226934 T DE 69226934T DE 69226934 T2 DE69226934 T2 DE 69226934T2
Authority
DE
Germany
Prior art keywords
zoom lens
zoom
lens
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 - Fee Related
Application number
DE69226934T
Other languages
English (en)
Other versions
DE69226934D1 (de
Inventor
Wataru Tatsuno
Masahiro Nakatsuji
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.)
Nikon Corp
Original Assignee
Nikon Corp
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 Nikon Corp filed Critical Nikon Corp
Application granted granted Critical
Publication of DE69226934D1 publication Critical patent/DE69226934D1/de
Publication of DE69226934T2 publication Critical patent/DE69226934T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B15/16—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
DE69226934T 1991-12-25 1992-12-21 Zoomobjektiv Expired - Fee Related DE69226934T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3342607A JPH05173070A (ja) 1991-12-25 1991-12-25 ズームレンズ

Publications (2)

Publication Number Publication Date
DE69226934D1 DE69226934D1 (de) 1998-10-15
DE69226934T2 true DE69226934T2 (de) 1999-05-12

Family

ID=18355084

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226934T Expired - Fee Related DE69226934T2 (de) 1991-12-25 1992-12-21 Zoomobjektiv

Country Status (4)

Country Link
US (2) US5666230A (de)
EP (1) EP0548898B1 (de)
JP (1) JPH05173070A (de)
DE (1) DE69226934T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0399516A1 (de) * 1989-05-24 1990-11-28 Multivac Sepp Haggenmüller Kg Verpackungsmaschine
US5760968A (en) * 1993-09-22 1998-06-02 Nikon Corporation Zoom lens capable of focussing at close range
JPH08152558A (ja) * 1993-11-25 1996-06-11 Asahi Optical Co Ltd ズームレンズ
US6028716A (en) * 1993-11-29 2000-02-22 Canon Kabushiki Kaisha Zoom lens
US6101045A (en) * 1994-02-14 2000-08-08 Minolta Co., Ltd. Zoom lens system
US5663835A (en) * 1994-07-29 1997-09-02 Nikon Corporation Inner focus zoom lens
US5867325A (en) * 1995-01-05 1999-02-02 Nikon Corporation Zoom lens ranging to wide angles
JP3587272B2 (ja) * 1995-06-01 2004-11-10 株式会社栃木ニコン ズームレンズ
US5774267A (en) * 1995-10-20 1998-06-30 Nikon Corporation Zoom lens
JP3646295B2 (ja) * 1995-11-24 2005-05-11 株式会社ニコン 内焦式望遠レンズ
JPH1039210A (ja) * 1996-07-24 1998-02-13 Nikon Corp ズームレンズ
JP3397686B2 (ja) * 1997-05-30 2003-04-21 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
US6191896B1 (en) * 1997-09-04 2001-02-20 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
JP3927670B2 (ja) * 1997-12-01 2007-06-13 キヤノン株式会社 ズームレンズ
JPH11218854A (ja) * 1998-02-04 1999-08-10 Minolta Co Ltd 画像取込装置
US6002527A (en) * 1998-02-11 1999-12-14 Nikon Corporation Compact high-zoom-ratio zoom lens
JP2000267003A (ja) * 1999-03-12 2000-09-29 Fuji Photo Optical Co Ltd ズームレンズ
JP3811311B2 (ja) 1999-03-23 2006-08-16 オリンパス株式会社 ズームレンズ系を備えたカメラ
US6476962B1 (en) * 2001-04-24 2002-11-05 Eastman Kodak Company Multi-beam zoom lens for producing variable spot sizes for a laser printer
US7075730B2 (en) * 2004-06-25 2006-07-11 Canon Kabushiki Kaisha Zoom lens system and image pickup apparatus including the same
JP5030263B2 (ja) * 2006-11-13 2012-09-19 オリンパスイメージング株式会社 ズームレンズ
WO2014076962A1 (ja) * 2012-11-19 2014-05-22 富士フイルム株式会社 投写用ズームレンズおよび投写型表示装置
JP6396271B2 (ja) * 2015-09-07 2018-09-26 富士フイルム株式会社 ズームレンズおよび撮像装置
JPWO2018185868A1 (ja) * 2017-04-05 2020-02-06 株式会社ニコン 変倍光学系、光学装置、および変倍光学系の製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152210A (en) * 1961-05-01 1964-10-06 Bell & Howell Co Wide angle attachment
JPS594688B2 (ja) * 1976-03-11 1984-01-31 キヤノン株式会社 ズ−ムレンズ
JPS53131852A (en) * 1977-04-22 1978-11-17 Nippon Chemical Ind Tele zoom lens
JPS592884B2 (ja) * 1979-07-28 1984-01-21 旭光学工業株式会社 ズ−ムレンズのフオ−カス方式
JPS574018A (en) * 1980-06-10 1982-01-09 Konishiroku Photo Ind Co Ltd Focusing system for zoom lens
JPS58136012A (ja) * 1982-02-08 1983-08-12 Canon Inc ズ−ムレンズの合焦方法
US4636040A (en) * 1982-02-19 1987-01-13 Minolta Camera Kabushiki Kaisha Zoom lens system
JP2798090B2 (ja) * 1988-02-10 1998-09-17 オリンパス光学工業株式会社 ズームレンズのフォーカシング方法
JP3136151B2 (ja) * 1990-02-28 2001-02-19 オリンパス光学工業株式会社 ズームレンズ
JP2808815B2 (ja) * 1990-04-19 1998-10-08 株式会社ニコン 内部合焦式望遠ズームレンズ
JP3123747B2 (ja) * 1990-06-08 2001-01-15 オリンパス光学工業株式会社 ズームレンズ
JP3230523B2 (ja) * 1990-11-27 2001-11-19 株式会社ニコン 内部合焦式のズームレンズ
JPH05173071A (ja) * 1991-12-25 1993-07-13 Nikon Corp 広角ズームレンズ

Also Published As

Publication number Publication date
JPH05173070A (ja) 1993-07-13
EP0548898B1 (de) 1998-09-09
US5675439A (en) 1997-10-07
EP0548898A1 (de) 1993-06-30
DE69226934D1 (de) 1998-10-15
US5666230A (en) 1997-09-09

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: WESER & KOLLEGEN, 81245 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee