DE69223268T2 - Zoomlinse mit Fokussierung durch die hinteren Linsengruppen - Google Patents

Zoomlinse mit Fokussierung durch die hinteren Linsengruppen

Info

Publication number
DE69223268T2
DE69223268T2 DE69223268T DE69223268T DE69223268T2 DE 69223268 T2 DE69223268 T2 DE 69223268T2 DE 69223268 T DE69223268 T DE 69223268T DE 69223268 T DE69223268 T DE 69223268T DE 69223268 T2 DE69223268 T2 DE 69223268T2
Authority
DE
Germany
Prior art keywords
focus
lens
groups
zoom lens
zoom
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
DE69223268T
Other languages
English (en)
Other versions
DE69223268D1 (de
Inventor
Hiroyuki Hamano
Hiroshi Satoh
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP6583591A external-priority patent/JP2832092B2/ja
Priority claimed from JP4068443A external-priority patent/JP3015192B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69223268D1 publication Critical patent/DE69223268D1/de
Publication of DE69223268T2 publication Critical patent/DE69223268T2/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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 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
    • G02B15/173—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 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 +-+
    • 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145113—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 five groups only the first group being positive arranged +-++-
DE69223268T 1991-03-29 1992-03-27 Zoomlinse mit Fokussierung durch die hinteren Linsengruppen Expired - Fee Related DE69223268T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6583591A JP2832092B2 (ja) 1991-03-29 1991-03-29 リヤーフォーカス式のズームレンズ
JP4068443A JP3015192B2 (ja) 1992-03-26 1992-03-26 リヤーフォーカス式のズームレンズ

Publications (2)

Publication Number Publication Date
DE69223268D1 DE69223268D1 (de) 1998-01-08
DE69223268T2 true DE69223268T2 (de) 1998-04-16

Family

ID=26406983

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223268T Expired - Fee Related DE69223268T2 (de) 1991-03-29 1992-03-27 Zoomlinse mit Fokussierung durch die hinteren Linsengruppen

Country Status (3)

Country Link
US (1) US5299064A (de)
EP (1) EP0506108B1 (de)
DE (1) DE69223268T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05264902A (ja) * 1992-03-19 1993-10-15 Konica Corp ズームレンズ
JPH06175024A (ja) * 1992-12-02 1994-06-24 Canon Inc リヤーフォーカス式のズームレンズ
US6002529A (en) * 1993-03-16 1999-12-14 Minolta Co., Ltd. Zoom lens system
JP3352804B2 (ja) * 1994-03-22 2002-12-03 富士写真光機株式会社 ズームレンズ系
US5963378A (en) * 1994-03-30 1999-10-05 Canon Kabushiki Kaisha Zoom lens
US5774275A (en) * 1994-08-30 1998-06-30 Canon Kabushiki Kaisha Variable magnification viewfinder
JPH08201697A (ja) * 1994-10-13 1996-08-09 Fuji Photo Optical Co Ltd ズームレンズ
JP3478637B2 (ja) * 1995-05-30 2003-12-15 キヤノン株式会社 小型のズームレンズ
DE69630833T2 (de) * 1995-05-30 2004-09-23 Canon K.K. Varioobjektiv mit Fokussierung durch das hintere Linsenglied
JP3278324B2 (ja) * 1995-06-29 2002-04-30 富士写真光機株式会社 ズームレンズ
JPH0968653A (ja) * 1995-08-30 1997-03-11 Olympus Optical Co Ltd ズームレンズ
JPH09230234A (ja) * 1996-02-27 1997-09-05 Canon Inc 防振機能を有するズームレンズ
US5933283A (en) * 1996-04-15 1999-08-03 Canon Kabushiki Kaisha Zoom lens
US6606200B1 (en) 1996-09-19 2003-08-12 Canon Kabushiki Kaisha Zoom lens device and optical apparatus provided with the same
US6473231B2 (en) 1997-03-18 2002-10-29 Canon Kabushiki Kaisha Variable magnification optical system having image stabilizing function
US6084722A (en) * 1997-07-02 2000-07-04 Canon Kabushiki Kaisha Zoom lens of rear focus type and image pickup apparatus
US6414791B1 (en) 1998-07-01 2002-07-02 Canon Kabushiki Kaisha Optical system for photographing a stereoscopic image, zoom lens and image pickup optical system
US6414800B1 (en) 1999-05-10 2002-07-02 Canon Kabushiki Kaisha Variable magnification optical system and camera having the same
US6545819B1 (en) 1999-08-31 2003-04-08 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
US6498687B1 (en) 1999-10-06 2002-12-24 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
JP4447704B2 (ja) 1999-10-20 2010-04-07 キヤノン株式会社 変倍光学系及びそれを有するカメラ
US6392816B1 (en) 1999-10-29 2002-05-21 Canon Kabushiki Kaisha Variable magnification optical system and optical apparatus having the same
JP2003215457A (ja) * 2002-01-25 2003-07-30 Canon Inc ズームレンズ及びそれを有する光学機器
US7710658B2 (en) 2006-03-06 2010-05-04 Omnivision Cdm Optics, Inc. Zoom lens systems with wavefront coding
KR101586025B1 (ko) 2009-08-11 2016-01-15 엘지이노텍 주식회사 촬상 렌즈
TWI431317B (zh) 2011-12-15 2014-03-21 Young Optics Inc 鏡頭模組和攝像裝置
JP6559104B2 (ja) * 2016-08-23 2019-08-14 富士フイルム株式会社 撮像レンズおよび撮像装置
CN109844603B (zh) 2016-10-18 2021-09-10 株式会社尼康 变倍光学系统以及光学装置
CN109116531B (zh) * 2018-09-30 2020-04-03 浙江大华技术股份有限公司 一种变焦镜头

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58129404A (ja) * 1982-01-27 1983-08-02 Minolta Camera Co Ltd 手動及び自動フオ−カシングの可能なズ−ムレンズ系
JPS58160913A (ja) * 1982-03-19 1983-09-24 Canon Inc 高変倍ズ−ムレンズ
US4702567A (en) * 1982-04-24 1987-10-27 Canon Kabushiki Kaisha Zoom lens
JPS606914A (ja) * 1983-06-25 1985-01-14 Canon Inc ズームレンズ
JPS614013A (ja) * 1984-06-19 1986-01-09 Konishiroku Photo Ind Co Ltd テレセントリツク・ズ−ムレンズ
JPS61258217A (ja) * 1985-05-11 1986-11-15 Canon Inc ズ−ムレンズ系
JP2538526B2 (ja) * 1986-03-17 1996-09-25 キヤノン株式会社 ズ−ムレンズ
JPH0686635B2 (ja) * 1987-04-03 1994-11-02 川崎製鉄株式会社 焼結鉱の処理方法
JP2621247B2 (ja) * 1987-11-11 1997-06-18 株式会社ニコン ズームレンズ
US5042927A (en) * 1988-12-21 1991-08-27 Canon Kabushiki Kaisha Compact zoom lens
US5100223A (en) * 1989-06-26 1992-03-31 Matsushita Electric Industrial Co., Ltd. Zoom lens
US5126883A (en) * 1989-10-23 1992-06-30 Nikon Corporation Telephoto zoom lens
JP3114991B2 (ja) * 1990-11-30 2000-12-04 株式会社東芝 データ通信システム

Also Published As

Publication number Publication date
EP0506108B1 (de) 1997-11-26
EP0506108A1 (de) 1992-09-30
US5299064A (en) 1994-03-29
DE69223268D1 (de) 1998-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee