ATE534930T1 - Retrofokus zoomobjektiv mit zwei linsengruppen - Google Patents

Retrofokus zoomobjektiv mit zwei linsengruppen

Info

Publication number
ATE534930T1
ATE534930T1 AT09007484T AT09007484T ATE534930T1 AT E534930 T1 ATE534930 T1 AT E534930T1 AT 09007484 T AT09007484 T AT 09007484T AT 09007484 T AT09007484 T AT 09007484T AT E534930 T1 ATE534930 T1 AT E534930T1
Authority
AT
Austria
Prior art keywords
lens
lens group
positive
retrofocus
object side
Prior art date
Application number
AT09007484T
Other languages
English (en)
Inventor
Ukyo Tomioka
Original Assignee
Fujifilm Corp
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 Fujifilm Corp filed Critical Fujifilm Corp
Application granted granted Critical
Publication of ATE534930T1 publication Critical patent/ATE534930T1/de

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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • 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
    • G02B15/1435—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 negative
    • G02B15/143503—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 negative arranged -+-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
AT09007484T 2008-06-30 2009-06-05 Retrofokus zoomobjektiv mit zwei linsengruppen ATE534930T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008170863A JP4672755B2 (ja) 2008-06-30 2008-06-30 変倍光学系および撮像装置

Publications (1)

Publication Number Publication Date
ATE534930T1 true ATE534930T1 (de) 2011-12-15

Family

ID=40835300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09007484T ATE534930T1 (de) 2008-06-30 2009-06-05 Retrofokus zoomobjektiv mit zwei linsengruppen

Country Status (5)

Country Link
US (1) US7933075B2 (de)
EP (1) EP2141529B1 (de)
JP (1) JP4672755B2 (de)
CN (1) CN101620313B (de)
AT (1) ATE534930T1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201120409A (en) * 2009-12-10 2011-06-16 Ind Tech Res Inst Surveillance camera system and method
US8724232B2 (en) 2010-10-29 2014-05-13 Samsung Techwin Co., Ltd. Zoom lens and photographing apparatus including the same
JP5718020B2 (ja) * 2010-10-29 2015-05-13 三星テクウィン株式会社Ｓａｍｓｕｎｇ Ｔｅｃｈｗｉｎ Ｃｏ．， Ｌｔｄ ズームレンズ及び撮像装置
JP5724639B2 (ja) * 2011-05-30 2015-05-27 リコーイメージング株式会社 ズームレンズ系及びこれを用いた光学機器
JP6602027B2 (ja) * 2015-03-13 2019-11-06 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
KR102600453B1 (ko) * 2016-02-19 2023-11-10 삼성전자주식회사 옵티칼 렌즈 어셈블리 및 이를 포함한 전자 장치
CN108761735B (zh) * 2018-07-13 2024-03-29 嘉兴中润光学科技股份有限公司 超大光圈广角镜头
JP2020052349A (ja) * 2018-09-28 2020-04-02 富士フイルム株式会社 撮像レンズ及び撮像装置
CN111650735B (zh) * 2020-08-10 2020-12-01 嘉兴中润光学科技有限公司 一种大广角摄像装置和变焦镜头
CN115185072B (zh) * 2022-06-01 2024-03-12 广东北创光电科技股份有限公司 一种非球面广角长法兰视频镜头

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2558138B2 (ja) * 1988-02-08 1996-11-27 オリンパス光学工業株式会社 変倍レンズ
JP3087303B2 (ja) 1990-10-29 2000-09-11 ミノルタ株式会社 コンパクトなズームレンズ
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
GB2374744B (en) 2001-04-18 2003-04-16 Voxar Ltd Correction of boundary artefacts in image data processing
JP3572037B2 (ja) * 2001-08-24 2004-09-29 キヤノン株式会社 レンズ系及びそれを有する光学機器
JP4050234B2 (ja) * 2002-02-25 2008-02-20 松下電器産業株式会社 ズームレンズ、並びにそれを用いたビデオカメラ及びデジタルスチルカメラ
JP4280538B2 (ja) * 2003-04-18 2009-06-17 フジノン株式会社 ズームレンズ
JP4516291B2 (ja) * 2003-08-20 2010-08-04 オリンパス株式会社 ズームレンズ及びそれを用いたカメラ。
JP4642408B2 (ja) * 2003-08-20 2011-03-02 オリンパス株式会社 ズームレンズ及びそれを用いたカメラ
US6943958B2 (en) * 2003-08-20 2005-09-13 Olympus Corporation Zoom lens system and camera using the same
JP4597623B2 (ja) * 2003-10-08 2010-12-15 富士フイルム株式会社 ズームレンズ
JP2006119574A (ja) * 2004-09-27 2006-05-11 Fujinon Corp 変倍光学系
JP4596418B2 (ja) 2004-09-27 2010-12-08 富士フイルム株式会社 変倍光学系
JP4945989B2 (ja) 2005-09-29 2012-06-06 株式会社ニコン ズームレンズ
JP4905779B2 (ja) * 2006-09-07 2012-03-28 富士フイルム株式会社 ズームレンズ

Also Published As

Publication number Publication date
CN101620313B (zh) 2011-02-16
JP2010008917A (ja) 2010-01-14
CN101620313A (zh) 2010-01-06
US7933075B2 (en) 2011-04-26
JP4672755B2 (ja) 2011-04-20
EP2141529B1 (de) 2011-11-23
EP2141529A1 (de) 2010-01-06
US20090323199A1 (en) 2009-12-31

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