JP4839740B2 - ズームレンズ - Google Patents

ズームレンズ Download PDF

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Publication number
JP4839740B2
JP4839740B2 JP2005259575A JP2005259575A JP4839740B2 JP 4839740 B2 JP4839740 B2 JP 4839740B2 JP 2005259575 A JP2005259575 A JP 2005259575A JP 2005259575 A JP2005259575 A JP 2005259575A JP 4839740 B2 JP4839740 B2 JP 4839740B2
Authority
JP
Japan
Prior art keywords
lens group
lens
state
end state
focal length
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
JP2005259575A
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English (en)
Japanese (ja)
Other versions
JP2006113555A5 (enExample
JP2006113555A (ja
Inventor
真美 村谷
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.)
Nikon Corp
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Priority to JP2005259575A priority Critical patent/JP4839740B2/ja
Priority to US11/224,928 priority patent/US7253964B2/en
Publication of JP2006113555A publication Critical patent/JP2006113555A/ja
Publication of JP2006113555A5 publication Critical patent/JP2006113555A5/ja
Application granted granted Critical
Publication of JP4839740B2 publication Critical patent/JP4839740B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
  • Studio Devices (AREA)
JP2005259575A 2004-09-15 2005-09-07 ズームレンズ Expired - Fee Related JP4839740B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005259575A JP4839740B2 (ja) 2004-09-15 2005-09-07 ズームレンズ
US11/224,928 US7253964B2 (en) 2004-09-15 2005-09-14 Zoom lens system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004268952 2004-09-15
JP2004268952 2004-09-15
JP2005259575A JP4839740B2 (ja) 2004-09-15 2005-09-07 ズームレンズ

Publications (3)

Publication Number Publication Date
JP2006113555A JP2006113555A (ja) 2006-04-27
JP2006113555A5 JP2006113555A5 (enExample) 2008-12-04
JP4839740B2 true JP4839740B2 (ja) 2011-12-21

Family

ID=36033617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005259575A Expired - Fee Related JP4839740B2 (ja) 2004-09-15 2005-09-07 ズームレンズ

Country Status (2)

Country Link
US (1) US7253964B2 (enExample)
JP (1) JP4839740B2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007264381A (ja) * 2006-03-29 2007-10-11 Sony Corp 変倍光学系
JP5015514B2 (ja) * 2006-06-22 2012-08-29 株式会社リコー ズームレンズおよび撮像装置および携帯情報端末装置
JP4876755B2 (ja) * 2006-07-27 2012-02-15 株式会社ニコン 高変倍ズームレンズと、これを有する光学機器
JP4942091B2 (ja) * 2006-10-31 2012-05-30 オリンパスイメージング株式会社 広角高変倍ズームレンズ及びそれを用いた撮像装置
JP4944594B2 (ja) * 2006-12-22 2012-06-06 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
JP5241281B2 (ja) * 2008-03-17 2013-07-17 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
JP2011028261A (ja) * 2009-07-03 2011-02-10 Panasonic Corp ズームレンズ系、撮像装置及びカメラ
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
JP5611124B2 (ja) * 2011-05-31 2014-10-22 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
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
AU2014409602B2 (en) * 2014-10-23 2018-01-18 Halliburton Energy Services, Inc Sealed downhole equipment and method for fabricating the equipment
CN114442293B (zh) * 2021-12-29 2023-09-12 河南中光学集团有限公司 一种激光照明扩束变焦光学系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042927A (en) * 1988-12-21 1991-08-27 Canon Kabushiki Kaisha Compact zoom lens
JP2783667B2 (ja) * 1990-10-22 1998-08-06 キヤノン株式会社 ズームレンズ
US5568321A (en) * 1990-11-16 1996-10-22 Canon Kabushiki Kaisha Zoom lens
DE69219248T2 (de) 1991-08-30 1997-10-16 Canon Kk Zoomobjektiv
US5784205A (en) 1992-11-13 1998-07-21 Canon Kabushiki Kaisha Zoom lens
US5579171A (en) * 1993-03-30 1996-11-26 Nikon Corporation Zoom lens equipped with the image stabilizing function
JP4580510B2 (ja) * 2000-06-22 2010-11-17 オリンパス株式会社 ズームレンズ
JP2003241092A (ja) 2002-02-15 2003-08-27 Nikon Corp ズームレンズ
JP3927866B2 (ja) * 2002-06-04 2007-06-13 キヤノン株式会社 ズームレンズおよび撮影装置
JP4323796B2 (ja) * 2002-12-27 2009-09-02 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
JP4441188B2 (ja) * 2003-02-28 2010-03-31 オリンパス株式会社 電子撮像装置

Also Published As

Publication number Publication date
US20060056053A1 (en) 2006-03-16
JP2006113555A (ja) 2006-04-27
US7253964B2 (en) 2007-08-07

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