DE69628960D1 - Zoomobjektiv und Videokamera mit einem derartigen Objektiv - Google Patents

Zoomobjektiv und Videokamera mit einem derartigen Objektiv

Info

Publication number
DE69628960D1
DE69628960D1 DE69628960T DE69628960T DE69628960D1 DE 69628960 D1 DE69628960 D1 DE 69628960D1 DE 69628960 T DE69628960 T DE 69628960T DE 69628960 T DE69628960 T DE 69628960T DE 69628960 D1 DE69628960 D1 DE 69628960D1
Authority
DE
Germany
Prior art keywords
lens
video camera
zoom
zoom lens
camera
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
DE69628960T
Other languages
English (en)
Other versions
DE69628960T2 (de
Inventor
Hiroaki Okayama
Hisayuki Ii
Shusuke Ono
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 DE69628960D1 publication Critical patent/DE69628960D1/de
Application granted granted Critical
Publication of DE69628960T2 publication Critical patent/DE69628960T2/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)
DE69628960T 1995-02-20 1996-02-19 Zoomobjektiv und Videokamera mit einem derartigen Objektiv Expired - Fee Related DE69628960T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3106395 1995-02-20
JP3106395 1995-02-20

Publications (2)

Publication Number Publication Date
DE69628960D1 true DE69628960D1 (de) 2003-08-14
DE69628960T2 DE69628960T2 (de) 2004-05-06

Family

ID=12321017

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628960T Expired - Fee Related DE69628960T2 (de) 1995-02-20 1996-02-19 Zoomobjektiv und Videokamera mit einem derartigen Objektiv

Country Status (3)

Country Link
US (1) US5940221A (de)
EP (1) EP0727683B1 (de)
DE (1) DE69628960T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112099211A (zh) * 2020-09-27 2020-12-18 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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3758284B2 (ja) * 1997-03-17 2006-03-22 コニカミノルタフォトイメージング株式会社 画像撮像装置
US6344932B1 (en) 1999-01-19 2002-02-05 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
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
US6710933B2 (en) 2000-05-31 2004-03-23 Matsushita Electric Industrial Co., Ltd. Zoom lens and video camera comprising the same
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
JP3810061B2 (ja) * 2001-12-28 2006-08-16 フジノン株式会社 ズームレンズ
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
JP4411010B2 (ja) * 2003-05-06 2010-02-10 キヤノン株式会社 ズームレンズ及びそれを用いた撮像機器
US7457046B2 (en) * 2003-07-01 2008-11-25 Canon Kabushiki Kaisha Zoom lens system and image-taking apparatus
JP4708734B2 (ja) * 2004-05-28 2011-06-22 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
JP4585794B2 (ja) * 2004-05-31 2010-11-24 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
TWI285272B (en) * 2005-03-23 2007-08-11 Ind Tech Res Inst Variable focus lens assembly
CN109358419B (zh) * 2018-12-04 2023-07-28 福建福光股份有限公司 一种宽光谱高清微光变焦镜头及其工作方法
CN111290107A (zh) * 2020-03-31 2020-06-16 深圳市东正光学技术有限公司 一种大倍率变焦电影镜头

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0253017A (ja) * 1988-08-18 1990-02-22 Matsushita Electric Ind Co Ltd 非球面ズームレンズ
US5000551A (en) * 1989-06-05 1991-03-19 Nikon Corporation Zoom lens
JPH03237420A (ja) * 1990-02-14 1991-10-23 Minolta Camera Co Ltd ビデオカメラ用のズームレンズ
US5568321A (en) * 1990-11-16 1996-10-22 Canon Kabushiki Kaisha Zoom lens
JP3033274B2 (ja) * 1991-09-12 2000-04-17 松下電器産業株式会社 非球面ズームレンズとそれを用いたビデオカメラ
EP0566073B1 (de) * 1992-04-17 1996-12-18 Matsushita Electric Industrial Co., Ltd. Zoomlinsenanordnung
JP3026130B2 (ja) * 1992-04-17 2000-03-27 松下電器産業株式会社 非球面ズームレンズとそれを用いたビデオカメラ
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
JP2984469B2 (ja) * 1992-06-30 1999-11-29 キヤノン株式会社 リヤーフォーカス式のズームレンズ
JPH06109975A (ja) * 1992-09-30 1994-04-22 Canon Inc 可変焦点距離レンズ
US5583698A (en) * 1993-06-07 1996-12-10 Matsushita Electric Industrial Co., Ltd. Aspherical zoom lens
JP3304518B2 (ja) * 1993-07-05 2002-07-22 オリンパス光学工業株式会社 変倍レンズ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112099211A (zh) * 2020-09-27 2020-12-18 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

Also Published As

Publication number Publication date
EP0727683A3 (de) 1997-09-10
EP0727683A2 (de) 1996-08-21
DE69628960T2 (de) 2004-05-06
US5940221A (en) 1999-08-17
EP0727683B1 (de) 2003-07-09

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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