DE602007004009D1 - Telezoomobjektiv mit vier Linsengruppen - Google Patents

Telezoomobjektiv mit vier Linsengruppen

Info

Publication number
DE602007004009D1
DE602007004009D1 DE602007004009T DE602007004009T DE602007004009D1 DE 602007004009 D1 DE602007004009 D1 DE 602007004009D1 DE 602007004009 T DE602007004009 T DE 602007004009T DE 602007004009 T DE602007004009 T DE 602007004009T DE 602007004009 D1 DE602007004009 D1 DE 602007004009D1
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
DE602007004009T
Other languages
English (en)
Inventor
Yoshifumi Sudoh
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE602007004009D1 publication Critical patent/DE602007004009D1/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
    • G02B15/144—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)
DE602007004009T 2006-02-28 2007-02-06 Telezoomobjektiv mit vier Linsengruppen Active DE602007004009D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006052862A JP4895641B2 (ja) 2006-02-28 2006-02-28 ズームレンズ及び撮像装置

Publications (1)

Publication Number Publication Date
DE602007004009D1 true DE602007004009D1 (de) 2010-02-11

Family

ID=37912437

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007004009T Active DE602007004009D1 (de) 2006-02-28 2007-02-06 Telezoomobjektiv mit vier Linsengruppen

Country Status (5)

Country Link
US (1) US7372636B2 (de)
EP (1) EP1826600B1 (de)
JP (1) JP4895641B2 (de)
CN (1) CN100480771C (de)
DE (1) DE602007004009D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4916198B2 (ja) 2006-03-20 2012-04-11 株式会社リコー ズームレンズ、ズームレンズを有する撮像装置、カメラ装置および携帯情報端末装置
US7961365B2 (en) * 2007-05-10 2011-06-14 Ricoh Company, Ltd. Image reading apparatus and image forming apparatus
JP5151333B2 (ja) 2007-09-11 2013-02-27 株式会社リコー ズームレンズおよびカメラ装置および携帯情報端末装置
US7719773B2 (en) * 2007-11-12 2010-05-18 Ricoh Company, Ltd. Zoom lens unit and imaging apparatus
JP5352990B2 (ja) * 2007-11-22 2013-11-27 株式会社リコー ズームレンズおよびカメラ装置および携帯情報端末装置
JP5257734B2 (ja) * 2007-11-22 2013-08-07 株式会社ニコン ズームレンズ、これを搭載する光学機器および結像方法
US7864443B2 (en) * 2007-12-07 2011-01-04 Ricoh Company, Ltd. Zoom lens, imaging apparatus, and personal data assistant
JP5075644B2 (ja) * 2008-01-08 2012-11-21 オリンパスイメージング株式会社 ズームレンズおよびそれを用いた撮像装置
JP5200694B2 (ja) * 2008-06-25 2013-06-05 株式会社リコー 撮像光学系およびカメラ装置および携帯情報端末装置
JP5217698B2 (ja) 2008-07-03 2013-06-19 株式会社ニコン ズームレンズ、撮像装置、ズームレンズの変倍方法
EP2149808B1 (de) * 2008-08-02 2015-11-25 Ricoh Company, Ltd. Retrofokus Objektiv
JP2010072639A (ja) * 2008-08-22 2010-04-02 Ricoh Co Ltd 撮像光学系およびカメラ装置および携帯情報端末装置
JP5275769B2 (ja) * 2008-12-03 2013-08-28 富士フイルム株式会社 ズームレンズおよび撮像装置
US8369030B2 (en) 2009-05-25 2013-02-05 Ricoh Company, Limited Image forming lens, camera device, and handheld terminal
JP5568923B2 (ja) * 2009-08-25 2014-08-13 株式会社リコー 撮像光学系およびカメラ装置および携帯情報端末装置
KR101706265B1 (ko) * 2009-12-04 2017-02-14 삼성전자주식회사 줌 렌즈 및 이를 구비한 촬상 장치
JP5590444B2 (ja) * 2010-03-12 2014-09-17 株式会社リコー ズームレンズ、撮像装置および情報装置
JP5574225B2 (ja) 2010-03-18 2014-08-20 株式会社リコー ズームレンズ、撮像装置および情報装置
JP5630235B2 (ja) 2010-11-19 2014-11-26 株式会社リコー ズームレンズ、カメラおよび携帯情報端末装置
KR101925056B1 (ko) 2011-09-02 2018-12-04 삼성전자주식회사 줌렌즈 및 이를 구비한 촬영 장치
JP6111798B2 (ja) 2013-03-29 2017-04-12 株式会社リコー 結像レンズおよび撮像システム
US9195036B2 (en) 2013-08-09 2015-11-24 Ricoh Company, Ltd. Zoom lens, camera, and portable information device
JP6245507B2 (ja) 2013-09-11 2017-12-13 株式会社リコー ズームレンズ、カメラおよび携帯情報端末装置
JP6354196B2 (ja) 2014-02-19 2018-07-11 株式会社リコー ズームレンズおよびこのズームレンズを用いた撮像装置
JP6252983B2 (ja) 2014-02-25 2017-12-27 株式会社リコー ズームレンズ、カメラおよび携帯情報端末装置
JP6308425B2 (ja) 2014-03-12 2018-04-11 株式会社リコー ズームレンズおよびカメラ
US9772469B2 (en) 2014-09-17 2017-09-26 Ricoh Company, Ltd. Image forming lens and image capturing device
US9864167B2 (en) 2014-09-17 2018-01-09 Ricoh Company, Ltd. Image forming lens and image capturing device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4366932B2 (ja) 2002-12-20 2009-11-18 株式会社ニコン ズームレンズ
US7061686B2 (en) * 2002-12-27 2006-06-13 Nikon Corporation Variable focal length lens system
JP4205461B2 (ja) 2003-03-19 2009-01-07 株式会社リコー ズームレンズ、カメラおよび携帯情報端末装置
JP2004354870A (ja) 2003-05-30 2004-12-16 Sony Corp ズームレンズおよび撮像装置
JP2005181556A (ja) 2003-12-18 2005-07-07 Sigma Corp 大口径ズームレンズ
JP4496009B2 (ja) * 2004-05-17 2010-07-07 株式会社リコー ズームレンズおよび撮影機能を有する情報装置
JP4731834B2 (ja) * 2004-06-04 2011-07-27 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
JP4678823B2 (ja) * 2004-11-09 2011-04-27 オリンパスイメージング株式会社 ズームレンズ
JP2007057931A (ja) * 2005-08-25 2007-03-08 Konica Minolta Photo Imaging Inc 撮像光学系および撮像装置
JP2007108531A (ja) 2005-10-14 2007-04-26 Ricoh Co Ltd ズームレンズ，カメラおよび携帯情報端末装置
JP4907169B2 (ja) 2005-12-28 2012-03-28 株式会社リコー ズームレンズ，カメラ装置および携帯情報端末装置

Also Published As

Publication number Publication date
EP1826600A1 (de) 2007-08-29
JP4895641B2 (ja) 2012-03-14
CN100480771C (zh) 2009-04-22
US7372636B2 (en) 2008-05-13
EP1826600B1 (de) 2009-12-30
JP2007232918A (ja) 2007-09-13
US20070201144A1 (en) 2007-08-30
CN101029960A (zh) 2007-09-05

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Legal Events

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