JP5465018B2 - ズームレンズ及びそれを有する光学機器 - Google Patents

ズームレンズ及びそれを有する光学機器 Download PDF

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Publication number
JP5465018B2
JP5465018B2 JP2010007579A JP2010007579A JP5465018B2 JP 5465018 B2 JP5465018 B2 JP 5465018B2 JP 2010007579 A JP2010007579 A JP 2010007579A JP 2010007579 A JP2010007579 A JP 2010007579A JP 5465018 B2 JP5465018 B2 JP 5465018B2
Authority
JP
Japan
Prior art keywords
lens
lens group
zoom
positive
group
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
JP2010007579A
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English (en)
Japanese (ja)
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JP2011145566A5 (enExample
JP2011145566A (ja
Inventor
玲 岩間
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 JP2010007579A priority Critical patent/JP5465018B2/ja
Priority to US12/987,752 priority patent/US8248703B2/en
Publication of JP2011145566A publication Critical patent/JP2011145566A/ja
Publication of JP2011145566A5 publication Critical patent/JP2011145566A5/ja
Application granted granted Critical
Publication of JP5465018B2 publication Critical patent/JP5465018B2/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
    • G02B15/177—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 negative front lens or group of lenses
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143507—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 three groups only the first group being negative arranged -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2010007579A 2010-01-16 2010-01-16 ズームレンズ及びそれを有する光学機器 Expired - Fee Related JP5465018B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010007579A JP5465018B2 (ja) 2010-01-16 2010-01-16 ズームレンズ及びそれを有する光学機器
US12/987,752 US8248703B2 (en) 2010-01-16 2011-01-10 Zoom lens and optical apparatus having the zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010007579A JP5465018B2 (ja) 2010-01-16 2010-01-16 ズームレンズ及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2011145566A JP2011145566A (ja) 2011-07-28
JP2011145566A5 JP2011145566A5 (enExample) 2013-02-28
JP5465018B2 true JP5465018B2 (ja) 2014-04-09

Family

ID=44277426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010007579A Expired - Fee Related JP5465018B2 (ja) 2010-01-16 2010-01-16 ズームレンズ及びそれを有する光学機器

Country Status (2)

Country Link
US (1) US8248703B2 (enExample)
JP (1) JP5465018B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2357505B1 (en) * 2008-08-25 2014-08-13 Konica Minolta Opto, Inc. Image pickup lens, image pickup apparatus and mobile terminal
JP5455572B2 (ja) * 2009-11-16 2014-03-26 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
WO2013018307A1 (ja) * 2011-07-29 2013-02-07 富士フイルム株式会社 撮像レンズおよび撮像装置
CN103163637A (zh) * 2011-12-17 2013-06-19 鸿富锦精密工业（深圳）有限公司 变焦镜头
CN103176265A (zh) * 2011-12-23 2013-06-26 鸿富锦精密工业（深圳）有限公司 广角变焦镜头
CN204129321U (zh) * 2012-04-02 2015-01-28 富士胶片株式会社 投影用变焦透镜和投影型显示装置
JP6548782B1 (ja) * 2018-06-16 2019-07-24 横浜リーディングデザイン合資会社 ズームレンズ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001208969A (ja) * 2000-01-25 2001-08-03 Fuji Photo Optical Co Ltd 広角ズームレンズ
JP4483086B2 (ja) * 2000-12-25 2010-06-16 コニカミノルタホールディングス株式会社 ズームレンズ
JP2005037576A (ja) * 2003-07-18 2005-02-10 Minolta Co Ltd 撮像レンズ装置
JP2007327991A (ja) * 2006-06-06 2007-12-20 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP4960713B2 (ja) * 2007-01-30 2012-06-27 パナソニック株式会社 ズームレンズ系、撮像装置及びカメラ

Also Published As

Publication number Publication date
US8248703B2 (en) 2012-08-21
JP2011145566A (ja) 2011-07-28
US20110176222A1 (en) 2011-07-21

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