JP5436091B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP5436091B2
JP5436091B2 JP2009188461A JP2009188461A JP5436091B2 JP 5436091 B2 JP5436091 B2 JP 5436091B2 JP 2009188461 A JP2009188461 A JP 2009188461A JP 2009188461 A JP2009188461 A JP 2009188461A JP 5436091 B2 JP5436091 B2 JP 5436091B2
Authority
JP
Japan
Prior art keywords
lens
positive
zoom
lens group
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
JP2009188461A
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English (en)
Japanese (ja)
Other versions
JP2011039399A (ja
JP2011039399A5 (enExample
Inventor
塗師　　隆治
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
Priority to JP2009188461A priority Critical patent/JP5436091B2/ja
Priority to US12/856,988 priority patent/US8149518B2/en
Publication of JP2011039399A publication Critical patent/JP2011039399A/ja
Publication of JP2011039399A5 publication Critical patent/JP2011039399A5/ja
Application granted granted Critical
Publication of JP5436091B2 publication Critical patent/JP5436091B2/ja
Expired - Fee Related 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
    • G02B15/16—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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
    • 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)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2009188461A 2009-08-17 2009-08-17 ズームレンズ及びそれを有する撮像装置 Expired - Fee Related JP5436091B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009188461A JP5436091B2 (ja) 2009-08-17 2009-08-17 ズームレンズ及びそれを有する撮像装置
US12/856,988 US8149518B2 (en) 2009-08-17 2010-08-16 Zoom lens system and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009188461A JP5436091B2 (ja) 2009-08-17 2009-08-17 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2011039399A JP2011039399A (ja) 2011-02-24
JP2011039399A5 JP2011039399A5 (enExample) 2012-05-17
JP5436091B2 true JP5436091B2 (ja) 2014-03-05

Family

ID=43588449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009188461A Expired - Fee Related JP5436091B2 (ja) 2009-08-17 2009-08-17 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US8149518B2 (enExample)
JP (1) JP5436091B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5656684B2 (ja) * 2011-02-28 2015-01-21 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
US8786957B2 (en) * 2011-07-01 2014-07-22 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
WO2013186999A1 (ja) 2012-06-12 2013-12-19 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5711427B2 (ja) 2012-06-12 2015-04-30 富士フイルム株式会社 ズームレンズおよび撮像装置
US9927595B2 (en) * 2014-02-26 2018-03-27 Sintai Optical (Shenzhen) Co., Ltd. Lens assembly
JP6331124B2 (ja) * 2014-03-11 2018-05-30 株式会社リコー ズームレンズ、撮像装置および監視用ビデオカメラ
JP6219329B2 (ja) 2014-06-06 2017-10-25 富士フイルム株式会社 ズームレンズおよび撮像装置
JP7576055B2 (ja) * 2022-02-21 2024-10-30 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3486560B2 (ja) * 1998-10-14 2004-01-13 キヤノン株式会社 ズームレンズ
JP2004264458A (ja) * 2003-02-28 2004-09-24 Fuji Photo Optical Co Ltd 超高倍率広角ズームレンズ
JP2004264459A (ja) 2003-02-28 2004-09-24 Fuji Photo Optical Co Ltd 超高倍率広角ズームレンズ
JP2004110079A (ja) * 2004-01-13 2004-04-08 Canon Inc 防振機能を有したズームレンズ及びそれを有するテレビカメラ
JP4869827B2 (ja) * 2006-08-10 2012-02-08 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5142829B2 (ja) * 2008-05-30 2013-02-13 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

Also Published As

Publication number Publication date
US20110038055A1 (en) 2011-02-17
US8149518B2 (en) 2012-04-03
JP2011039399A (ja) 2011-02-24

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