JP5675473B2 - 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
JP5675473B2
JP5675473B2 JP2011090964A JP2011090964A JP5675473B2 JP 5675473 B2 JP5675473 B2 JP 5675473B2 JP 2011090964 A JP2011090964 A JP 2011090964A JP 2011090964 A JP2011090964 A JP 2011090964A JP 5675473 B2 JP5675473 B2 JP 5675473B2
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JP
Japan
Prior art keywords
lens
zoom
lens group
lens unit
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
JP2011090964A
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English (en)
Japanese (ja)
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JP2012225988A5 (enExample
JP2012225988A (ja
Inventor
庄一 竹本
庄一 竹本
中村　智之
智之 中村
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 JP2011090964A priority Critical patent/JP5675473B2/ja
Priority to US13/446,071 priority patent/US8755126B2/en
Publication of JP2012225988A publication Critical patent/JP2012225988A/ja
Publication of JP2012225988A5 publication Critical patent/JP2012225988A5/ja
Application granted granted Critical
Publication of JP5675473B2 publication Critical patent/JP5675473B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B15/16—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 +-+

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2011090964A 2011-04-15 2011-04-15 ズームレンズ及びそれを有する撮像装置 Expired - Fee Related JP5675473B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011090964A JP5675473B2 (ja) 2011-04-15 2011-04-15 ズームレンズ及びそれを有する撮像装置
US13/446,071 US8755126B2 (en) 2011-04-15 2012-04-13 Zoom lens and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011090964A JP5675473B2 (ja) 2011-04-15 2011-04-15 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2012225988A JP2012225988A (ja) 2012-11-15
JP2012225988A5 JP2012225988A5 (enExample) 2014-05-29
JP5675473B2 true JP5675473B2 (ja) 2015-02-25

Family

ID=47006216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011090964A Expired - Fee Related JP5675473B2 (ja) 2011-04-15 2011-04-15 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) US8755126B2 (enExample)
JP (1) JP5675473B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104919355B (zh) * 2013-01-22 2017-05-03 富士胶片株式会社 变焦透镜及摄像装置
JP6252103B2 (ja) * 2013-10-25 2017-12-27 株式会社リコー ズームレンズ及びこのズームレンズを用いた撮像装置
JP6344964B2 (ja) * 2014-05-01 2018-06-20 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
JP6436668B2 (ja) * 2014-07-22 2018-12-12 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
JP6672015B2 (ja) * 2016-03-03 2020-03-25 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
JP6862203B2 (ja) 2017-02-08 2021-04-21 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
JP6768608B2 (ja) * 2017-08-22 2020-10-14 富士フイルム株式会社 ズームレンズ及び撮像装置
JP7344715B2 (ja) * 2019-08-16 2023-09-14 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713706B2 (ja) * 1985-05-24 1995-02-15 株式会社ニコン ズ−ムレンズ
JP2621247B2 (ja) * 1987-11-11 1997-06-18 株式会社ニコン ズームレンズ
JPH036509A (ja) * 1989-06-02 1991-01-14 Minolta Camera Co Ltd ズームレンズ
JPH036510A (ja) * 1989-06-02 1991-01-14 Minolta Camera Co Ltd ５成分ズームレンズ
JPH08234105A (ja) 1995-02-24 1996-09-13 Olympus Optical Co Ltd 望遠ズームレンズ
JP2005309061A (ja) * 2004-04-21 2005-11-04 Canon Inc バックフォーカスの長いテレセントリック望遠ズームレンズ
JP4151719B2 (ja) * 2005-10-18 2008-09-17 カシオ計算機株式会社 ズームレンズ及びプロジェクタ装置
JP5049751B2 (ja) 2007-11-21 2012-10-17 富士フイルム株式会社 高倍率ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
US8755126B2 (en) 2014-06-17
JP2012225988A (ja) 2012-11-15
US20120262798A1 (en) 2012-10-18

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