DE602005001013D1 - Telezoomobjektiv mit vier Linsengruppen - Google Patents

Telezoomobjektiv mit vier Linsengruppen

Info

Publication number
DE602005001013D1
DE602005001013D1 DE602005001013T DE602005001013T DE602005001013D1 DE 602005001013 D1 DE602005001013 D1 DE 602005001013D1 DE 602005001013 T DE602005001013 T DE 602005001013T DE 602005001013 T DE602005001013 T DE 602005001013T DE 602005001013 D1 DE602005001013 D1 DE 602005001013D1
Authority
DE
Germany
Prior art keywords
lens
telephoto zoom
groups
zoom lens
lens groups
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.)
Active
Application number
DE602005001013T
Other languages
English (en)
Other versions
DE602005001013T2 (de
Inventor
Shinichiro Yakita
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE602005001013D1 publication Critical patent/DE602005001013D1/de
Application granted granted Critical
Publication of DE602005001013T2 publication Critical patent/DE602005001013T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143105—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 three groups only the first group being positive arranged +-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE602005001013T 2004-04-01 2005-03-30 Telezoomobjektiv mit vier Linsengruppen Active DE602005001013T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004109412A JP4579568B2 (ja) 2004-04-01 2004-04-01 ズームレンズおよび撮影システム
JP2004109412 2004-04-01

Publications (2)

Publication Number Publication Date
DE602005001013D1 true DE602005001013D1 (de) 2007-06-14
DE602005001013T2 DE602005001013T2 (de) 2008-01-10

Family

ID=34880127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005001013T Active DE602005001013T2 (de) 2004-04-01 2005-03-30 Telezoomobjektiv mit vier Linsengruppen

Country Status (4)

Country Link
US (1) US7064903B2 (de)
EP (1) EP1582901B1 (de)
JP (1) JP4579568B2 (de)
DE (1) DE602005001013T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4944499B2 (ja) * 2006-05-31 2012-05-30 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
US7307801B1 (en) * 2006-06-07 2007-12-11 The Boeing Company Dual field of view lens system
JP4822074B2 (ja) * 2007-10-01 2011-11-24 株式会社ニコン ズームレンズ及びこのズームレンズを備えた光学機器
JP2010175955A (ja) * 2009-01-30 2010-08-12 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP5615127B2 (ja) 2009-10-19 2014-10-29 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
JP6300558B2 (ja) 2014-02-14 2018-03-28 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
JP6527328B2 (ja) 2014-12-26 2019-06-05 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 (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812024A (en) * 1987-05-11 1989-03-14 Canon Kabushiki Kaisha Zoom lens
JPH01284818A (ja) 1988-05-12 1989-11-16 Canon Inc ズームレンズ
JPH02100011A (ja) * 1988-10-07 1990-04-12 Canon Inc ズームレンズ
JPH02118510A (ja) 1988-10-27 1990-05-02 Canon Inc ズームレンズ
US5050972A (en) * 1989-02-08 1991-09-24 Canon Kabushiki Kaisha Zoom lens
JPH03123310A (ja) 1989-10-07 1991-05-27 Canon Inc ズームレンズ
JP2773310B2 (ja) * 1989-10-27 1998-07-09 キヤノン株式会社 ピント調整手段を有したズームレンズ
JPH03145615A (ja) * 1989-10-31 1991-06-20 Canon Inc ズームレンズ
JPH04138407A (ja) 1990-09-29 1992-05-12 Canon Inc ズームレンズ
JP3097399B2 (ja) 1993-06-23 2000-10-10 キヤノン株式会社 リヤーフォーカス式の望遠型ズームレンズ
US5847882A (en) * 1994-06-23 1998-12-08 Canon Kabushiki Kaisha Rear focusing zoom lens
JP3593400B2 (ja) 1995-12-12 2004-11-24 日本電産コパル株式会社 リアフォーカス式ズームレンズ
US6473231B2 (en) * 1997-03-18 2002-10-29 Canon Kabushiki Kaisha Variable magnification optical system having image stabilizing function
JP3849129B2 (ja) * 1997-08-18 2006-11-22 株式会社ニコン ズームレンズ
JP2000284173A (ja) 1999-04-01 2000-10-13 Canon Inc リアフォーカス式のズームレンズ
JP4478247B2 (ja) * 1999-07-06 2010-06-09 キヤノン株式会社 ズームレンズ
JP2000321496A (ja) * 1999-05-10 2000-11-24 Canon Inc ズームレンズ
JP2001100097A (ja) * 1999-09-29 2001-04-13 Fuji Photo Optical Co Ltd 近距離撮影用アタッチメントレンズ
JP4467685B2 (ja) * 1999-11-22 2010-05-26 キヤノン株式会社 クローズアップレンズ
JP4502341B2 (ja) 2000-02-16 2010-07-14 フジノン株式会社 ズームレンズ
JP2002098895A (ja) * 2000-09-25 2002-04-05 Olympus Optical Co Ltd 像ぶれ補正機能を有するズームレンズ

Also Published As

Publication number Publication date
JP4579568B2 (ja) 2010-11-10
EP1582901B1 (de) 2007-05-02
US7064903B2 (en) 2006-06-20
DE602005001013T2 (de) 2008-01-10
EP1582901A1 (de) 2005-10-05
US20050219712A1 (en) 2005-10-06
JP2005292605A (ja) 2005-10-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition