JP4689321B2 - 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
JP4689321B2
JP4689321B2 JP2005102593A JP2005102593A JP4689321B2 JP 4689321 B2 JP4689321 B2 JP 4689321B2 JP 2005102593 A JP2005102593 A JP 2005102593A JP 2005102593 A JP2005102593 A JP 2005102593A JP 4689321 B2 JP4689321 B2 JP 4689321B2
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Japan
Prior art keywords
lens
lens group
wide
zoom
angle end
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Expired - Fee Related
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JP2005102593A
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Japanese (ja)
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JP2006284753A (ja
JP2006284753A5 (enExample
Inventor
友紀 木村
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Canon Inc
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Canon Inc
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Priority to JP2005102593A priority Critical patent/JP4689321B2/ja
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    • 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)
JP2005102593A 2005-03-31 2005-03-31 ズームレンズ及びそれを有する光学機器 Expired - Fee Related JP4689321B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005102593A JP4689321B2 (ja) 2005-03-31 2005-03-31 ズームレンズ及びそれを有する光学機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005102593A JP4689321B2 (ja) 2005-03-31 2005-03-31 ズームレンズ及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2006284753A JP2006284753A (ja) 2006-10-19
JP2006284753A5 JP2006284753A5 (enExample) 2008-04-24
JP4689321B2 true JP4689321B2 (ja) 2011-05-25

Family

ID=37406783

Family Applications (1)

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JP2005102593A Expired - Fee Related JP4689321B2 (ja) 2005-03-31 2005-03-31 ズームレンズ及びそれを有する光学機器

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JP (1) JP4689321B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007010822A1 (ja) * 2005-07-19 2007-01-25 Matsushita Electric Industrial Co., Ltd. ズームレンズ系及びそれを備えた撮像光学機器
JP4976867B2 (ja) * 2007-01-30 2012-07-18 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
JP5217698B2 (ja) 2008-07-03 2013-06-19 株式会社ニコン ズームレンズ、撮像装置、ズームレンズの変倍方法
JP4966430B2 (ja) * 2011-12-22 2012-07-04 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
JP6128855B2 (ja) * 2012-04-27 2017-05-17 オリンパス株式会社 ズームレンズ及びそれを用いた撮像装置
CN105676428B (zh) * 2016-04-12 2017-12-15 广东弘景光电科技股份有限公司 一种超广角光学系统及其应用的镜头

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3077200B2 (ja) * 1990-12-03 2000-08-14 株式会社ニコン 大口径比ズームレンズ
JPH08271790A (ja) * 1996-04-25 1996-10-18 Olympus Optical Co Ltd ズームレンズ
JPH11295601A (ja) * 1998-04-13 1999-10-29 Nikon Corp 三枚接合レンズを有するズームレンズ

Also Published As

Publication number Publication date
JP2006284753A (ja) 2006-10-19

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