DE69206368D1 - Zoomobjektiv. - Google Patents

Zoomobjektiv.

Info

Publication number
DE69206368D1
DE69206368D1 DE69206368T DE69206368T DE69206368D1 DE 69206368 D1 DE69206368 D1 DE 69206368D1 DE 69206368 T DE69206368 T DE 69206368T DE 69206368 T DE69206368 T DE 69206368T DE 69206368 D1 DE69206368 D1 DE 69206368D1
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
DE69206368T
Other languages
English (en)
Other versions
DE69206368T2 (de
Inventor
Shusuke Ono
Hiroaki Okayama
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
Application granted granted Critical
Publication of DE69206368D1 publication Critical patent/DE69206368D1/de
Publication of DE69206368T2 publication Critical patent/DE69206368T2/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)
DE69206368T 1991-09-18 1992-09-12 Zoomobjektiv. Expired - Fee Related DE69206368T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3237725A JP3033276B2 (ja) 1991-09-18 1991-09-18 広角非球面ズームレンズ

Publications (2)

Publication Number Publication Date
DE69206368D1 true DE69206368D1 (de) 1996-01-11
DE69206368T2 DE69206368T2 (de) 1996-05-30

Family

ID=17019569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69206368T Expired - Fee Related DE69206368T2 (de) 1991-09-18 1992-09-12 Zoomobjektiv.

Country Status (4)

Country Link
US (1) US5267082A (de)
EP (1) EP0533077B1 (de)
JP (1) JP3033276B2 (de)
DE (1) DE69206368T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0628844B1 (de) * 1993-06-07 1998-03-25 Matsushita Electric Industrial Co., Ltd. Asphärisches Zoomobjektiv
JP3363688B2 (ja) * 1996-01-10 2003-01-08 キヤノン株式会社 ズームレンズ
JP3667054B2 (ja) * 1997-09-26 2005-07-06 キヤノン株式会社 リヤーフォーカス式のズームレンズ及びそれを有するカメラ
JP3824190B2 (ja) * 1997-11-05 2006-09-20 フジノン株式会社 広角ズームレンズ
JP4581042B2 (ja) 2000-02-04 2010-11-17 富士フイルム株式会社 ズームレンズ
WO2003071332A1 (fr) * 2002-02-25 2003-08-28 Matsushita Electric Industrial Co., Ltd. Lentille a foyer reglable, camera video et camera fixe numerique utilisant la lentille a foyer reglable
JP4007258B2 (ja) 2003-01-17 2007-11-14 ソニー株式会社 ズームレンズ及び撮像装置
JP4016204B2 (ja) * 2003-01-17 2007-12-05 ソニー株式会社 ズームレンズ及び撮像装置
US7457046B2 (en) 2003-07-01 2008-11-25 Canon Kabushiki Kaisha Zoom lens system and image-taking apparatus
JP5159203B2 (ja) 2007-08-03 2013-03-06 株式会社エルモ社 ズームレンズ
CN102156343B (zh) * 2010-02-11 2013-03-13 亚洲光学股份有限公司 内变焦镜头
JP2013053345A (ja) * 2011-09-05 2013-03-21 Doshisha 抗菌性を有する亜鉛鍍金鋼板の作製法
JP6153310B2 (ja) * 2012-10-30 2017-06-28 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

Family Cites Families (7)

* 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
JPH071337B2 (ja) * 1985-09-26 1995-01-11 旭光学工業株式会社 高変倍有限距離用ズ−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
DE69206368T2 (de) 1996-05-30
US5267082A (en) 1993-11-30
EP0533077B1 (de) 1995-11-29
JP3033276B2 (ja) 2000-04-17
EP0533077A1 (de) 1993-03-24
JPH0572475A (ja) 1993-03-26

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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