JP4654482B2 - 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
JP4654482B2
JP4654482B2 JP2000103832A JP2000103832A JP4654482B2 JP 4654482 B2 JP4654482 B2 JP 4654482B2 JP 2000103832 A JP2000103832 A JP 2000103832A JP 2000103832 A JP2000103832 A JP 2000103832A JP 4654482 B2 JP4654482 B2 JP 4654482B2
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JP
Japan
Prior art keywords
lens
lens group
focal length
positive
object side
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
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JP2000103832A
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English (en)
Japanese (ja)
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JP2001290077A (ja
JP2001290077A5 (enExample
Inventor
基之 大竹
昭彦 小濱
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
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Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Priority to JP2000103832A priority Critical patent/JP4654482B2/ja
Publication of JP2001290077A publication Critical patent/JP2001290077A/ja
Publication of JP2001290077A5 publication Critical patent/JP2001290077A5/ja
Application granted granted Critical
Publication of JP4654482B2 publication Critical patent/JP4654482B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G02B15/16—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)
JP2000103832A 2000-04-05 2000-04-05 可変焦点距離レンズ系 Expired - Lifetime JP4654482B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000103832A JP4654482B2 (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
JP2000103832A JP4654482B2 (ja) 2000-04-05 2000-04-05 可変焦点距離レンズ系

Publications (3)

Publication Number Publication Date
JP2001290077A JP2001290077A (ja) 2001-10-19
JP2001290077A5 JP2001290077A5 (enExample) 2008-04-10
JP4654482B2 true JP4654482B2 (ja) 2011-03-23

Family

ID=18617469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000103832A Expired - Lifetime JP4654482B2 (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) JP4654482B2 (enExample)

Families Citing this family (3)

* 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
JP5716569B2 (ja) * 2011-06-23 2015-05-13 株式会社リコー 結像レンズ、カメラ装置および携帯情報端末装置
CN113156633B (zh) * 2021-05-17 2025-01-28 浙江舜宇光学有限公司 一种变焦镜头组

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6474521A (en) * 1987-09-17 1989-03-20 Canon Kk Rear focus type zoom lens
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

Also Published As

Publication number Publication date
JP2001290077A (ja) 2001-10-19

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