JP3824190B2 - 広角ズームレンズ - Google Patents

広角ズームレンズ Download PDF

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Publication number
JP3824190B2
JP3824190B2 JP31911597A JP31911597A JP3824190B2 JP 3824190 B2 JP3824190 B2 JP 3824190B2 JP 31911597 A JP31911597 A JP 31911597A JP 31911597 A JP31911597 A JP 31911597A JP 3824190 B2 JP3824190 B2 JP 3824190B2
Authority
JP
Japan
Prior art keywords
lens
object side
wide
group
angle
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
JP31911597A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11142736A (ja
JPH11142736A5 (enExample
Inventor
明子 高附
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.)
Fujinon Corp
Original Assignee
Fujinon 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 Fujinon Corp filed Critical Fujinon Corp
Priority to JP31911597A priority Critical patent/JP3824190B2/ja
Priority to US09/166,181 priority patent/US6038082A/en
Publication of JPH11142736A publication Critical patent/JPH11142736A/ja
Publication of JPH11142736A5 publication Critical patent/JPH11142736A5/ja
Application granted granted Critical
Publication of JP3824190B2 publication Critical patent/JP3824190B2/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
    • G02B15/16—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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/17—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +--
    • 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
    • G02B15/144109—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 +--+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP31911597A 1997-11-05 1997-11-05 広角ズームレンズ Expired - Fee Related JP3824190B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP31911597A JP3824190B2 (ja) 1997-11-05 1997-11-05 広角ズームレンズ
US09/166,181 US6038082A (en) 1997-11-05 1998-10-05 Wide-angle zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31911597A JP3824190B2 (ja) 1997-11-05 1997-11-05 広角ズームレンズ

Publications (3)

Publication Number Publication Date
JPH11142736A JPH11142736A (ja) 1999-05-28
JPH11142736A5 JPH11142736A5 (enExample) 2005-06-16
JP3824190B2 true JP3824190B2 (ja) 2006-09-20

Family

ID=18106639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31911597A Expired - Fee Related JP3824190B2 (ja) 1997-11-05 1997-11-05 広角ズームレンズ

Country Status (2)

Country Link
US (1) US6038082A (enExample)
JP (1) JP3824190B2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6652357B1 (en) 2000-09-22 2003-11-25 Lam Research Corporation Methods for controlling retaining ring and wafer head tilt for chemical mechanical polishing
US7481695B2 (en) 2000-08-22 2009-01-27 Lam Research Corporation Polishing apparatus and methods having high processing workload for controlling polishing pressure applied by polishing head
US6640155B2 (en) 2000-08-22 2003-10-28 Lam Research Corporation Chemical mechanical polishing apparatus and methods with central control of polishing pressure applied by polishing head
US6585572B1 (en) 2000-08-22 2003-07-01 Lam Research Corporation Subaperture chemical mechanical polishing system
US6549343B2 (en) * 2000-08-23 2003-04-15 Pentax Corporation Intermediate telephoto lens system
US6471566B1 (en) 2000-09-18 2002-10-29 Lam Research Corporation Sacrificial retaining ring CMP system and methods for implementing the same
US6443815B1 (en) 2000-09-22 2002-09-03 Lam Research Corporation Apparatus and methods for controlling pad conditioning head tilt for chemical mechanical polishing
JP2002333578A (ja) * 2001-05-07 2002-11-22 Fuji Photo Optical Co Ltd 近距離撮影用アタッチメントレンズ
WO2005008311A1 (ja) * 2003-07-17 2005-01-27 Sony Corporation 撮像装置及びズームレンズ
EP1530071B1 (en) * 2003-11-06 2016-02-17 Canon Kabushiki Kaisha Zoom lens and image taking system
JP5031476B2 (ja) * 2007-08-02 2012-09-19 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
JP2009092923A (ja) * 2007-10-09 2009-04-30 Fujinon Corp リアフォーカス式ズームレンズおよび撮像装置
JP5035898B2 (ja) * 2007-10-09 2012-09-26 富士フイルム株式会社 リアフォーカス式ズームレンズおよび撮像装置
CN106125269B (zh) * 2016-06-27 2018-08-03 中国科学院西安光学精密机械研究所 双模多用途连续变焦光学系统
CN112859308A (zh) * 2019-11-27 2021-05-28 中强光电股份有限公司 变焦镜头及其制造方法
CN119535748B (zh) * 2024-12-31 2025-09-23 珠海市川富光学技术有限公司 一种大光圈小型化广角镜头

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135912A (en) * 1981-02-16 1982-08-21 Asahi Optical Co Ltd Zoom lens
JP3033276B2 (ja) * 1991-09-18 2000-04-17 松下電器産業株式会社 広角非球面ズームレンズ
JPH06242378A (ja) * 1993-02-17 1994-09-02 Canon Inc ズームレンズ
JPH08129134A (ja) * 1994-11-01 1996-05-21 Nikon Corp ズームレンズ
JPH08136805A (ja) * 1994-11-14 1996-05-31 Nikon Corp ズームレンズ
JPH08184758A (ja) * 1995-01-05 1996-07-16 Nikon Corp ズームレンズ
JPH0933812A (ja) * 1995-07-20 1997-02-07 Nikon Corp ズームレンズ

Also Published As

Publication number Publication date
US6038082A (en) 2000-03-14
JPH11142736A (ja) 1999-05-28

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