JP5858761B2 - 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
JP5858761B2
JP5858761B2 JP2011268811A JP2011268811A JP5858761B2 JP 5858761 B2 JP5858761 B2 JP 5858761B2 JP 2011268811 A JP2011268811 A JP 2011268811A JP 2011268811 A JP2011268811 A JP 2011268811A JP 5858761 B2 JP5858761 B2 JP 5858761B2
Authority
JP
Japan
Prior art keywords
lens
lens group
zoom
group
negative
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
JP2011268811A
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English (en)
Japanese (ja)
Other versions
JP2013120326A (ja
JP2013120326A5 (https=
Inventor
伸幸 宮沢
伸幸 宮沢
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 JP2011268811A priority Critical patent/JP5858761B2/ja
Priority to US13/681,836 priority patent/US8964303B2/en
Publication of JP2013120326A publication Critical patent/JP2013120326A/ja
Publication of JP2013120326A5 publication Critical patent/JP2013120326A5/ja
Application granted granted Critical
Publication of JP5858761B2 publication Critical patent/JP5858761B2/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
    • G02B15/144—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 +-++
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2011268811A 2011-12-08 2011-12-08 ズームレンズ及びそれを有する撮像装置 Expired - Fee Related JP5858761B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011268811A JP5858761B2 (ja) 2011-12-08 2011-12-08 ズームレンズ及びそれを有する撮像装置
US13/681,836 US8964303B2 (en) 2011-12-08 2012-11-20 Zoom lens and image pickup apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011268811A JP5858761B2 (ja) 2011-12-08 2011-12-08 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2013120326A JP2013120326A (ja) 2013-06-17
JP2013120326A5 JP2013120326A5 (https=) 2015-01-22
JP5858761B2 true JP5858761B2 (ja) 2016-02-10

Family

ID=48571756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011268811A Expired - Fee Related JP5858761B2 (ja) 2011-12-08 2011-12-08 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) US8964303B2 (https=)
JP (1) JP5858761B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6088343B2 (ja) * 2013-04-30 2017-03-01 株式会社タムロン 光学系及び撮像装置
JP6427344B2 (ja) * 2014-06-20 2018-11-21 オリンパス株式会社 変倍リレー光学系、及び、撮像装置
EP3026481A1 (en) 2014-11-28 2016-06-01 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6452406B2 (ja) * 2014-11-28 2019-01-16 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
JP6642789B2 (ja) * 2015-09-24 2020-02-12 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07199124A (ja) * 1993-12-28 1995-08-04 Nikon Corp 防振機能を備えたズームレンズ
JPH08201695A (ja) 1995-01-31 1996-08-09 Canon Inc リヤーフォーカス式のズームレンズ
JP2001116996A (ja) 1999-10-15 2001-04-27 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
JP2008089990A (ja) * 2006-10-02 2008-04-17 Sony Corp ズームレンズ及び撮像装置

Also Published As

Publication number Publication date
JP2013120326A (ja) 2013-06-17
US8964303B2 (en) 2015-02-24
US20130148211A1 (en) 2013-06-13

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