DE69223106D1 - Zoomobjektiv - Google Patents

Zoomobjektiv

Info

Publication number
DE69223106D1
DE69223106D1 DE69223106T DE69223106T DE69223106D1 DE 69223106 D1 DE69223106 D1 DE 69223106D1 DE 69223106 T DE69223106 T DE 69223106T DE 69223106 T DE69223106 T DE 69223106T DE 69223106 D1 DE69223106 D1 DE 69223106D1
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
DE69223106T
Other languages
English (en)
Other versions
DE69223106T2 (de
Inventor
Shusuke Ono
Hisayuki Ii
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69223106D1 publication Critical patent/DE69223106D1/de
Application granted granted Critical
Publication of DE69223106T2 publication Critical patent/DE69223106T2/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
    • G02B15/144—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)
DE69223106T 1991-09-12 1992-09-08 Zoomobjektiv Expired - Fee Related DE69223106T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3232840A JP3033274B2 (ja) 1991-09-12 1991-09-12 非球面ズームレンズとそれを用いたビデオカメラ

Publications (2)

Publication Number Publication Date
DE69223106D1 true DE69223106D1 (de) 1997-12-18
DE69223106T2 DE69223106T2 (de) 1998-03-05

Family

ID=16945625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223106T Expired - Fee Related DE69223106T2 (de) 1991-09-12 1992-09-08 Zoomobjektiv

Country Status (4)

Country Link
US (1) US5235466A (de)
EP (1) EP0531925B1 (de)
JP (1) JP3033274B2 (de)
DE (1) DE69223106T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05323194A (ja) * 1992-05-22 1993-12-07 Canon Inc リヤーフォーカス式のズームレンズ
EP0628844B1 (de) * 1993-06-07 1998-03-25 Matsushita Electric Industrial Co., Ltd. Asphärisches Zoomobjektiv
US5963378A (en) * 1994-03-30 1999-10-05 Canon Kabushiki Kaisha Zoom lens
DE69628960T2 (de) * 1995-02-20 2004-05-06 Matsushita Electric Industrial Co., Ltd., Kadoma Zoomobjektiv und Videokamera mit einem derartigen Objektiv
US6226130B1 (en) 1996-04-09 2001-05-01 Canon Kabushiki Kaisha Zoom lens
KR19980049229A (ko) * 1996-12-19 1998-09-15 이대원 줌렌즈 광학계
US6084722A (en) * 1997-07-02 2000-07-04 Canon Kabushiki Kaisha Zoom lens of rear focus type and image pickup apparatus
KR100440100B1 (ko) * 1997-07-25 2004-09-30 삼성테크윈 주식회사 리어 포커스식 소형 줌렌즈
US5991096A (en) * 1997-09-09 1999-11-23 Eastman Kodak Company Zoom lens
JP4379957B2 (ja) 1999-07-26 2009-12-09 キヤノン株式会社 リアフォーカス式ズームレンズ及びそれを用いた光学機器
JP4581042B2 (ja) 2000-02-04 2010-11-17 富士フイルム株式会社 ズームレンズ
JP4245780B2 (ja) 2000-06-12 2009-04-02 オリンパス株式会社 ズーム撮像光学系
JP3826061B2 (ja) 2002-03-29 2006-09-27 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
AU2003238640A1 (en) * 2002-07-11 2004-02-02 Koninklijke Philips Electronics N.V. Lens system for manufacturing cathode ray tube screens
JP2005321545A (ja) * 2004-05-07 2005-11-17 Sony Corp 撮像装置
JPWO2006025130A1 (ja) * 2004-09-02 2008-05-08 株式会社タムロン 高変倍率ズームレンズ
JP5868186B2 (ja) * 2012-01-06 2016-02-24 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6689768B2 (ja) * 2017-02-28 2020-04-28 富士フイルム株式会社 撮像レンズおよび撮像装置
KR102386492B1 (ko) * 2017-03-21 2022-04-15 삼성전자주식회사 렌즈 어셈블리 및 그를 포함하는 광학 장치
CN112099211B (zh) * 2020-09-27 2022-07-05 杭州海康威视数字技术股份有限公司 变焦光学***及图像采集设备
CN114442291B (zh) * 2022-04-07 2022-06-28 浙江华诺康科技有限公司 光学变焦镜头和成像设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178421A (ja) * 1984-02-27 1985-09-12 Canon Inc コンパクトなズ−ムレンズ
JP2538526B2 (ja) * 1986-03-17 1996-09-25 キヤノン株式会社 ズ−ムレンズ
US4802747A (en) * 1986-09-25 1989-02-07 Canon Kabushiki Kaisha Compact zoom lens
JP2737838B2 (ja) * 1986-11-13 1998-04-08 オリンパス光学工業株式会社 変倍レンズ系
JP2623835B2 (ja) * 1989-06-09 1997-06-25 キヤノン株式会社 リヤーフォーカス式のズームレンズ
US5100223A (en) * 1989-06-26 1992-03-31 Matsushita Electric Industrial Co., Ltd. Zoom lens

Also Published As

Publication number Publication date
EP0531925B1 (de) 1997-11-12
US5235466A (en) 1993-08-10
EP0531925A1 (de) 1993-03-17
JP3033274B2 (ja) 2000-04-17
JPH0572474A (ja) 1993-03-26
DE69223106T2 (de) 1998-03-05

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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