DE69306645D1 - Zoomlinsenanordnung - Google Patents

Zoomlinsenanordnung

Info

Publication number
DE69306645D1
DE69306645D1 DE69306645T DE69306645T DE69306645D1 DE 69306645 D1 DE69306645 D1 DE 69306645D1 DE 69306645 T DE69306645 T DE 69306645T DE 69306645 T DE69306645 T DE 69306645T DE 69306645 D1 DE69306645 D1 DE 69306645D1
Authority
DE
Germany
Prior art keywords
zoom lens
lens arrangement
arrangement
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
DE69306645T
Other languages
English (en)
Other versions
DE69306645T2 (de
Inventor
Shusuke Ono
Hisayuki Ii
Hiroaki Okayama
Yasuo Nakajima
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
Priority claimed from JP4098214A external-priority patent/JP3026130B2/ja
Priority claimed from JP4276417A external-priority patent/JP3056338B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69306645D1 publication Critical patent/DE69306645D1/de
Publication of DE69306645T2 publication Critical patent/DE69306645T2/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)
DE69306645T 1992-04-17 1993-04-14 Zoomlinsenanordnung Expired - Fee Related DE69306645T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4098214A JP3026130B2 (ja) 1992-04-17 1992-04-17 非球面ズームレンズとそれを用いたビデオカメラ
JP4276417A JP3056338B2 (ja) 1992-10-15 1992-10-15 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
DE69306645D1 true DE69306645D1 (de) 1997-01-30
DE69306645T2 DE69306645T2 (de) 1997-06-12

Family

ID=26439413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306645T Expired - Fee Related DE69306645T2 (de) 1992-04-17 1993-04-14 Zoomlinsenanordnung

Country Status (3)

Country Link
US (1) US5396367A (de)
EP (1) EP0566073B1 (de)
DE (1) DE69306645T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07209582A (ja) * 1994-01-18 1995-08-11 Konica Corp プラスチックレンズを用いたズームレンズ
EP0727683B1 (de) * 1995-02-20 2003-07-09 Matsushita Electric Industrial Co., Ltd Zoomobjektiv und Videokamera mit einem derartigen Objektiv
JPH09218352A (ja) * 1996-02-08 1997-08-19 Minolta Co Ltd ズームレンズ
US6226130B1 (en) 1996-04-09 2001-05-01 Canon Kabushiki Kaisha Zoom lens
US6473231B2 (en) 1997-03-18 2002-10-29 Canon Kabushiki Kaisha Variable magnification optical system having image stabilizing function
CN1140827C (zh) 1998-04-09 2004-03-03 阿苏拉布股份有限公司 形成多焦距镜头的聚光光学元件
DE69831132T2 (de) * 1998-04-14 2006-06-14 Asulab Sa Lichtsammelndes optisches System, das ein Objektiv mit mehreren Brennweiten bildet
DE19942281A1 (de) 1999-05-14 2000-11-16 Zeiss Carl Fa Projektionsobjektiv
US6344932B1 (en) 1999-01-19 2002-02-05 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
US6414800B1 (en) 1999-05-10 2002-07-02 Canon Kabushiki Kaisha Variable magnification optical system and camera having the same
EP1152274A4 (de) * 1999-10-07 2005-06-08 Matsushita Electric Ind Co Ltd Variofokus-objektiv und damit ausgestattete videokamera
JP2001343583A (ja) * 2000-05-31 2001-12-14 Matsushita Electric Ind Co Ltd ズームレンズ及びそれを用いたビデオカメラ
US6710933B2 (en) 2000-05-31 2004-03-23 Matsushita Electric Industrial Co., Ltd. Zoom lens and video camera comprising the same
JP2002277736A (ja) 2001-03-21 2002-09-25 Olympus Optical Co Ltd 撮像装置
JP3619178B2 (ja) 2001-09-28 2005-02-09 キヤノン株式会社 ズームレンズおよびそれを有する光学機器
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
AU2003302166A1 (en) * 2003-01-02 2004-07-29 Covi Technologies, Inc. Optical block assembly
US7113351B2 (en) * 2003-01-02 2006-09-26 Covi Technologies, Inc. Systems and methods for actuating lens assemblies
JP2004325975A (ja) * 2003-04-28 2004-11-18 Sony Corp ズームレンズおよび撮像装置
US7583441B2 (en) * 2004-07-09 2009-09-01 Canon Kabushiki Kaisha Photographic lens system and image pickup apparatus
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
TWI285272B (en) * 2005-03-23 2007-08-11 Ind Tech Res Inst Variable focus lens assembly
KR100927347B1 (ko) * 2007-11-13 2009-11-24 파워옵틱스 주식회사 줌렌즈 광학계
JP5143532B2 (ja) * 2007-11-15 2013-02-13 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5920926B2 (ja) * 2012-12-26 2016-05-18 株式会社タムロン ズームレンズ
CN112099211B (zh) * 2020-09-27 2022-07-05 杭州海康威视数字技术股份有限公司 变焦光学系统及图像采集设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR910005552B1 (ko) * 1987-12-11 1991-07-31 이스트만 코닥 컴퍼니 줌 렌즈
JPH01169295A (ja) 1987-12-24 1989-07-04 Kawasaki Steel Corp 熱交換器
US5100223A (en) * 1989-06-26 1992-03-31 Matsushita Electric Industrial Co., Ltd. Zoom lens
JP2814388B2 (ja) * 1989-06-27 1998-10-22 株式会社ニコン ズームレンズ
JP2876823B2 (ja) * 1991-06-07 1999-03-31 キヤノン株式会社 リヤーフォーカス式のズームレンズ

Also Published As

Publication number Publication date
EP0566073B1 (de) 1996-12-18
EP0566073A1 (de) 1993-10-20
DE69306645T2 (de) 1997-06-12
US5396367A (en) 1995-03-07

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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