JP4865137B2 - ズームレンズ及びそれを用いた光学機器 - Google Patents

ズームレンズ及びそれを用いた光学機器 Download PDF

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Publication number
JP4865137B2
JP4865137B2 JP2001035118A JP2001035118A JP4865137B2 JP 4865137 B2 JP4865137 B2 JP 4865137B2 JP 2001035118 A JP2001035118 A JP 2001035118A JP 2001035118 A JP2001035118 A JP 2001035118A JP 4865137 B2 JP4865137 B2 JP 4865137B2
Authority
JP
Japan
Prior art keywords
group
lens
aperture stop
telephoto end
refractive power
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
JP2001035118A
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English (en)
Japanese (ja)
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JP2002244040A (ja
JP2002244040A5 (enExample
Inventor
昭永 堀内
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 JP2001035118A priority Critical patent/JP4865137B2/ja
Priority to US09/851,195 priority patent/US6587280B2/en
Publication of JP2002244040A publication Critical patent/JP2002244040A/ja
Publication of JP2002244040A5 publication Critical patent/JP2002244040A5/ja
Application granted granted Critical
Publication of JP4865137B2 publication Critical patent/JP4865137B2/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
    • 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 +-++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2001035118A 2000-05-11 2001-02-13 ズームレンズ及びそれを用いた光学機器 Expired - Fee Related JP4865137B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001035118A JP4865137B2 (ja) 2001-02-13 2001-02-13 ズームレンズ及びそれを用いた光学機器
US09/851,195 US6587280B2 (en) 2000-05-11 2001-05-09 Zoom lens and optical device using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001035118A JP4865137B2 (ja) 2001-02-13 2001-02-13 ズームレンズ及びそれを用いた光学機器

Publications (3)

Publication Number Publication Date
JP2002244040A JP2002244040A (ja) 2002-08-28
JP2002244040A5 JP2002244040A5 (enExample) 2008-03-27
JP4865137B2 true JP4865137B2 (ja) 2012-02-01

Family

ID=18898610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001035118A Expired - Fee Related JP4865137B2 (ja) 2000-05-11 2001-02-13 ズームレンズ及びそれを用いた光学機器

Country Status (1)

Country Link
JP (1) JP4865137B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077825A (ja) * 2003-09-01 2005-03-24 Olympus Corp 電子撮像装置結像光学系
JP5645520B2 (ja) * 2010-07-20 2014-12-24 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 (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5937518A (ja) * 1982-08-25 1984-03-01 Asahi Optical Co Ltd 広角を包括する高変倍比ズ−ムレンズ
JPS6479719A (en) * 1987-09-21 1989-03-24 Asahi Optical Co Ltd Telephoto zoom lens
JP2623835B2 (ja) * 1989-06-09 1997-06-25 キヤノン株式会社 リヤーフォーカス式のズームレンズ
JPH0312624A (ja) * 1989-06-09 1991-01-21 Canon Inc リヤーフォーカス式のズームレンズ
JPH0312625A (ja) * 1989-06-09 1991-01-21 Canon Inc リヤーフォーカス式のズームレンズ
JPH0414007A (ja) * 1990-05-08 1992-01-20 Canon Inc リヤーフォーカス式のズームレンズ
JPH0312623A (ja) * 1989-06-09 1991-01-21 Canon Inc リヤーフォーカス式のズームレンズ
JP2995492B2 (ja) * 1990-11-08 1999-12-27 富士写真光機株式会社 ズームレンズ
JPH04358108A (ja) * 1991-06-04 1992-12-11 Canon Inc リヤーフォーカス式のズームレンズ
JP3392881B2 (ja) * 1991-11-13 2003-03-31 オリンパス光学工業株式会社 ズームレンズ
JP3368099B2 (ja) * 1995-04-28 2003-01-20 キヤノン株式会社 リヤーフォーカス式のズームレンズ
JP3458692B2 (ja) * 1998-02-26 2003-10-20 ミノルタ株式会社 ズームレンズ装置
JPH11242161A (ja) * 1998-02-26 1999-09-07 Minolta Co Ltd ズームレンズ
JP4365919B2 (ja) * 1999-01-19 2009-11-18 キヤノン株式会社 リアフォーカス式のズームレンズ及びそれを用いた光学機器

Also Published As

Publication number Publication date
JP2002244040A (ja) 2002-08-28

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JPH0476087B2 (enExample)

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