JP3927730B2 - 防振機能を有した変倍光学系 - Google Patents

防振機能を有した変倍光学系 Download PDF

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Publication number
JP3927730B2
JP3927730B2 JP21337099A JP21337099A JP3927730B2 JP 3927730 B2 JP3927730 B2 JP 3927730B2 JP 21337099 A JP21337099 A JP 21337099A JP 21337099 A JP21337099 A JP 21337099A JP 3927730 B2 JP3927730 B2 JP 3927730B2
Authority
JP
Japan
Prior art keywords
lens
lens group
group
optical system
positive
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
JP21337099A
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English (en)
Japanese (ja)
Other versions
JP2001042213A5 (enExample
JP2001042213A (ja
Inventor
博之 浜野
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 JP21337099A priority Critical patent/JP3927730B2/ja
Priority to US09/564,376 priority patent/US6414800B1/en
Publication of JP2001042213A publication Critical patent/JP2001042213A/ja
Publication of JP2001042213A5 publication Critical patent/JP2001042213A5/ja
Application granted granted Critical
Publication of JP3927730B2 publication Critical patent/JP3927730B2/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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • 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)
  • Adjustment Of Camera Lenses (AREA)
  • Lenses (AREA)
JP21337099A 1999-05-10 1999-07-28 防振機能を有した変倍光学系 Expired - Fee Related JP3927730B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP21337099A JP3927730B2 (ja) 1999-07-28 1999-07-28 防振機能を有した変倍光学系
US09/564,376 US6414800B1 (en) 1999-05-10 2000-05-02 Variable magnification optical system and camera having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21337099A JP3927730B2 (ja) 1999-07-28 1999-07-28 防振機能を有した変倍光学系

Publications (3)

Publication Number Publication Date
JP2001042213A JP2001042213A (ja) 2001-02-16
JP2001042213A5 JP2001042213A5 (enExample) 2005-02-24
JP3927730B2 true JP3927730B2 (ja) 2007-06-13

Family

ID=16638069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21337099A Expired - Fee Related JP3927730B2 (ja) 1999-05-10 1999-07-28 防振機能を有した変倍光学系

Country Status (1)

Country Link
JP (1) JP3927730B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4829445B2 (ja) * 2001-09-25 2011-12-07 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
CN1295538C (zh) * 2002-02-25 2007-01-17 松下电器产业株式会社 变焦透镜、采用该变焦透镜的摄像机及数码照像机
JP3826061B2 (ja) 2002-03-29 2006-09-27 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
JP4944375B2 (ja) * 2004-12-22 2012-05-30 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
WO2008105249A1 (ja) 2007-02-27 2008-09-04 Nikon Corporation ズームレンズと、これを有する光学装置
JP5241898B2 (ja) * 2011-08-26 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光学機器
CN111435191B (zh) * 2019-01-14 2022-10-14 杭州海康威视数字技术股份有限公司 一种变焦镜头及摄像机及监控设备

Also Published As

Publication number Publication date
JP2001042213A (ja) 2001-02-16

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