JP4593716B2 - リヤーフォーカス式ズームレンズ及びそれを用いた光学機器 - Google Patents

リヤーフォーカス式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
JP4593716B2
JP4593716B2 JP2000041671A JP2000041671A JP4593716B2 JP 4593716 B2 JP4593716 B2 JP 4593716B2 JP 2000041671 A JP2000041671 A JP 2000041671A JP 2000041671 A JP2000041671 A JP 2000041671A JP 4593716 B2 JP4593716 B2 JP 4593716B2
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JP
Japan
Prior art keywords
lens
group
object side
zoom
negative
Prior art date
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Expired - Fee Related
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JP2000041671A
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English (en)
Japanese (ja)
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JP2001228395A5 (enExample
JP2001228395A (ja
Inventor
安規 村田
伸之 栃木
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
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2000041671A priority Critical patent/JP4593716B2/ja
Publication of JP2001228395A publication Critical patent/JP2001228395A/ja
Publication of JP2001228395A5 publication Critical patent/JP2001228395A5/ja
Application granted granted Critical
Publication of JP4593716B2 publication Critical patent/JP4593716B2/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)
JP2000041671A 2000-02-18 2000-02-18 リヤーフォーカス式ズームレンズ及びそれを用いた光学機器 Expired - Fee Related JP4593716B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000041671A JP4593716B2 (ja) 2000-02-18 2000-02-18 リヤーフォーカス式ズームレンズ及びそれを用いた光学機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000041671A JP4593716B2 (ja) 2000-02-18 2000-02-18 リヤーフォーカス式ズームレンズ及びそれを用いた光学機器

Publications (3)

Publication Number Publication Date
JP2001228395A JP2001228395A (ja) 2001-08-24
JP2001228395A5 JP2001228395A5 (enExample) 2010-07-08
JP4593716B2 true JP4593716B2 (ja) 2010-12-08

Family

ID=18564869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000041671A Expired - Fee Related JP4593716B2 (ja) 2000-02-18 2000-02-18 リヤーフォーカス式ズームレンズ及びそれを用いた光学機器

Country Status (1)

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JP (1) JP4593716B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3619178B2 (ja) 2001-09-28 2005-02-09 キヤノン株式会社 ズームレンズおよびそれを有する光学機器
JP5143532B2 (ja) 2007-11-15 2013-02-13 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5119101B2 (ja) * 2008-09-12 2013-01-16 富士フイルム株式会社 ズームレンズおよび撮像装置
CN114624869B (zh) * 2022-03-10 2024-03-29 长春通视光电技术股份有限公司 高分辨率、大变倍比的光学系统及采用该系统的变焦镜头
CN115657282B (zh) * 2022-11-07 2025-07-29 成都联江科技有限公司 变焦耐辐射镜头

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04208912A (ja) * 1990-12-03 1992-07-30 Nikon Corp 高倍率ズームレンズ
JPH1144845A (ja) * 1997-07-25 1999-02-16 Canon Inc 防振機能を有したリヤーフォーカス式のズームレンズ及びそれを用いた撮像装置
JP3854714B2 (ja) * 1998-03-10 2006-12-06 キヤノン株式会社 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
JP2001228395A (ja) 2001-08-24

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