JP4639425B2 - 可変焦点距離レンズ系 - Google Patents

可変焦点距離レンズ系 Download PDF

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Publication number
JP4639425B2
JP4639425B2 JP2000103808A JP2000103808A JP4639425B2 JP 4639425 B2 JP4639425 B2 JP 4639425B2 JP 2000103808 A JP2000103808 A JP 2000103808A JP 2000103808 A JP2000103808 A JP 2000103808A JP 4639425 B2 JP4639425 B2 JP 4639425B2
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JP
Japan
Prior art keywords
lens
lens group
focal length
component
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 - Lifetime
Application number
JP2000103808A
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English (en)
Japanese (ja)
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JP2001290076A (ja
JP2001290076A5 (enExample
Inventor
基之 大竹
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.)
Nikon Corp
Original Assignee
Nikon Corp
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 Nikon Corp filed Critical Nikon Corp
Priority to JP2000103808A priority Critical patent/JP4639425B2/ja
Publication of JP2001290076A publication Critical patent/JP2001290076A/ja
Publication of JP2001290076A5 publication Critical patent/JP2001290076A5/ja
Application granted granted Critical
Publication of JP4639425B2 publication Critical patent/JP4639425B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B15/16—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
    • G02B15/143503—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 -+-

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2000103808A 2000-04-05 2000-04-05 可変焦点距離レンズ系 Expired - Lifetime JP4639425B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000103808A JP4639425B2 (ja) 2000-04-05 2000-04-05 可変焦点距離レンズ系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000103808A JP4639425B2 (ja) 2000-04-05 2000-04-05 可変焦点距離レンズ系

Publications (3)

Publication Number Publication Date
JP2001290076A JP2001290076A (ja) 2001-10-19
JP2001290076A5 JP2001290076A5 (enExample) 2008-04-10
JP4639425B2 true JP4639425B2 (ja) 2011-02-23

Family

ID=18617448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000103808A Expired - Lifetime JP4639425B2 (ja) 2000-04-05 2000-04-05 可変焦点距離レンズ系

Country Status (1)

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JP (1) JP4639425B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004252099A (ja) * 2003-02-19 2004-09-09 Nikon Corp 防振機能を備えたズームレンズ
JP2006091430A (ja) * 2004-09-24 2006-04-06 Casio Comput Co Ltd レンズユニット
JP4690052B2 (ja) * 2005-01-11 2011-06-01 オリンパスイメージング株式会社 ズームレンズ及びそれを用いた撮像装置
JP5615674B2 (ja) 2010-11-17 2014-10-29 Hoya株式会社 ズームレンズ系及びこれを用いた電子撮像装置
JP2012108306A (ja) * 2010-11-17 2012-06-07 Hoya Corp ズームレンズ系及びこれを用いた電子撮像装置
JP6830645B2 (ja) * 2016-09-16 2021-02-17 株式会社ｎｉｔｔｏｈ 撮像用の光学系および撮像装置
CN108693627B (zh) * 2017-04-06 2020-11-13 广州长步道光电科技有限公司 一种体积小高解析度焦距短的线扫镜头
US11092789B2 (en) 2018-04-18 2021-08-17 Samsung Electro-Mechanics Co., Ltd. Optical imaging system
JP7291533B2 (ja) * 2019-05-10 2023-06-15 株式会社タムロン 結像光学系及び撮影装置
CN113267877B (zh) 2021-04-14 2022-08-19 浙江舜宇光学有限公司 成像系统
CN113267880B (zh) * 2021-06-03 2022-09-09 浙江舜宇光学有限公司 光学成像镜头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2623620B2 (ja) * 1987-12-19 1997-06-25 ミノルタ株式会社 ズームレンズ系
JPH02136811A (ja) * 1988-11-18 1990-05-25 Canon Inc 小型のズームレンズ
JP3325058B2 (ja) * 1992-11-20 2002-09-17 オリンパス光学工業株式会社 近距離収差変動の少ないズームレンズ
JP3302063B2 (ja) * 1992-12-10 2002-07-15 オリンパス光学工業株式会社 リアフォーカス式の小型ズームレンズ
JPH07151974A (ja) * 1993-11-29 1995-06-16 Canon Inc ズームレンズ
JPH07253541A (ja) * 1994-03-14 1995-10-03 Canon Inc ズームレンズ

Also Published As

Publication number Publication date
JP2001290076A (ja) 2001-10-19

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