CN101750721B - 变焦透镜和包括变焦透镜的图像拾取装置 - Google Patents

变焦透镜和包括变焦透镜的图像拾取装置 Download PDF

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Publication number
CN101750721B
CN101750721B CN2009102538179A CN200910253817A CN101750721B CN 101750721 B CN101750721 B CN 101750721B CN 2009102538179 A CN2009102538179 A CN 2009102538179A CN 200910253817 A CN200910253817 A CN 200910253817A CN 101750721 B CN101750721 B CN 101750721B
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CN
China
Prior art keywords
lens
lens unit
zoom
refracting power
focal length
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Expired - Fee Related
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CN2009102538179A
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English (en)
Chinese (zh)
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CN101750721A (zh
Inventor
大久保洋辅
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Canon Inc
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Canon Inc
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Publication of CN101750721A publication Critical patent/CN101750721A/zh
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    • 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 +-++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Studio Devices (AREA)
CN2009102538179A 2008-12-11 2009-12-08 变焦透镜和包括变焦透镜的图像拾取装置 Expired - Fee Related CN101750721B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008315545A JP5274228B2 (ja) 2008-12-11 2008-12-11 ズームレンズ及びそれを有する撮像装置
JP2008-315545 2008-12-11

Publications (2)

Publication Number Publication Date
CN101750721A CN101750721A (zh) 2010-06-23
CN101750721B true CN101750721B (zh) 2012-01-18

Family

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CN2009102538179A Expired - Fee Related CN101750721B (zh) 2008-12-11 2009-12-08 变焦透镜和包括变焦透镜的图像拾取装置

Country Status (3)

Country Link
US (1) US8102605B2 (https=)
JP (1) JP5274228B2 (https=)
CN (1) CN101750721B (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9329371B2 (en) 2010-04-27 2016-05-03 Nikon Corporation Zoom lens, optical apparatus and method of manufacturing zoom lens
JP5713227B2 (ja) * 2010-04-27 2015-05-07 株式会社ニコン ズームレンズ、光学機器及びズームレンズの製造方法
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
CN102478705B (zh) * 2010-11-22 2014-02-19 鸿富锦精密工业（深圳）有限公司 变焦镜头
JP2012163678A (ja) * 2011-02-04 2012-08-30 Ricoh Co Ltd ズームレンズ、カメラおよび携帯情報端末装置
US9285570B2 (en) * 2012-03-30 2016-03-15 Olympus Corporation Zoom lens and image pickup apparatus using the same
JP6032537B2 (ja) * 2012-08-08 2016-11-30 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
JP2014052564A (ja) * 2012-09-07 2014-03-20 Ricoh Co Ltd ズームレンズ、カメラおよび携帯情報端末装置
JP2014052563A (ja) * 2012-09-07 2014-03-20 Ricoh Co Ltd ズームレンズ、カメラおよび携帯情報端末装置
JP2014106421A (ja) * 2012-11-28 2014-06-09 Ricoh Co Ltd ズームレンズ、撮像装置および情報装置
CN111435191B (zh) * 2019-01-14 2022-10-14 杭州海康威视数字技术股份有限公司 一种变焦镜头及摄像机及监控设备
JP7483513B2 (ja) 2020-06-08 2024-05-15 キヤノン株式会社 ズームレンズおよび撮像装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7151638B2 (en) * 2004-02-27 2006-12-19 Ricoh Company, Ltd. Zooming lens system and device using the zooming lens system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000347102A (ja) * 1999-06-04 2000-12-15 Konica Corp ズームレンズ
JP4764644B2 (ja) * 2005-02-23 2011-09-07 株式会社リコー ズームレンズおよび情報装置
US7333274B2 (en) * 2005-04-26 2008-02-19 Olympus Imaging Corp. Image taking apparatus equipped with a zoom lens system
JP4863733B2 (ja) * 2006-03-07 2012-01-25 オリンパスイメージング株式会社 ズームレンズ及びそれを用いた撮像装置
JP5006007B2 (ja) * 2006-10-25 2012-08-22 オリンパスイメージング株式会社 ズームレンズ及びそれを用いた電子撮像装置
US7430079B2 (en) * 2006-10-17 2008-09-30 Olympus Imaging Corp. Zoom lens and imaging system using the same
JP2008146016A (ja) * 2006-11-15 2008-06-26 Olympus Imaging Corp ズームレンズ及びそれを用いた電子撮像装置
US7800833B2 (en) * 2007-10-30 2010-09-21 Olympus Imaging Corp. Electronic imaging apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7151638B2 (en) * 2004-02-27 2006-12-19 Ricoh Company, Ltd. Zooming lens system and device using the zooming lens system

Also Published As

Publication number Publication date
CN101750721A (zh) 2010-06-23
JP2010139705A (ja) 2010-06-24
JP5274228B2 (ja) 2013-08-28
US20100149654A1 (en) 2010-06-17
US8102605B2 (en) 2012-01-24

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Granted publication date: 20120118