JP4630568B2 - 光学系及びそれを有する光学機器 - Google Patents

光学系及びそれを有する光学機器 Download PDF

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Publication number
JP4630568B2
JP4630568B2 JP2004134577A JP2004134577A JP4630568B2 JP 4630568 B2 JP4630568 B2 JP 4630568B2 JP 2004134577 A JP2004134577 A JP 2004134577A JP 2004134577 A JP2004134577 A JP 2004134577A JP 4630568 B2 JP4630568 B2 JP 4630568B2
Authority
JP
Japan
Prior art keywords
optical system
lens
git
refractive power
chromatic aberration
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
JP2004134577A
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English (en)
Japanese (ja)
Other versions
JP2005316186A5 (enExample
JP2005316186A (ja
Inventor
裕人 安井
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
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2004134577A priority Critical patent/JP4630568B2/ja
Priority to US11/114,751 priority patent/US7151636B2/en
Publication of JP2005316186A publication Critical patent/JP2005316186A/ja
Publication of JP2005316186A5 publication Critical patent/JP2005316186A5/ja
Application granted granted Critical
Publication of JP4630568B2 publication Critical patent/JP4630568B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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 -+-
    • 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
    • G02B15/1445—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 negative
    • G02B15/144511—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 negative 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
    • G02B15/146—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 more than five groups
    • G02B15/1465—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 more than five groups the first group being negative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2004134577A 2004-04-28 2004-04-28 光学系及びそれを有する光学機器 Expired - Fee Related JP4630568B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004134577A JP4630568B2 (ja) 2004-04-28 2004-04-28 光学系及びそれを有する光学機器
US11/114,751 US7151636B2 (en) 2004-04-28 2005-04-25 Optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004134577A JP4630568B2 (ja) 2004-04-28 2004-04-28 光学系及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2005316186A JP2005316186A (ja) 2005-11-10
JP2005316186A5 JP2005316186A5 (enExample) 2010-05-06
JP4630568B2 true JP4630568B2 (ja) 2011-02-09

Family

ID=35186794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004134577A Expired - Fee Related JP4630568B2 (ja) 2004-04-28 2004-04-28 光学系及びそれを有する光学機器

Country Status (2)

Country Link
US (1) US7151636B2 (enExample)
JP (1) JP4630568B2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005181392A (ja) * 2003-12-16 2005-07-07 Canon Inc 光学系
JP2006078703A (ja) * 2004-09-08 2006-03-23 Canon Inc ズーム光学系
US7898743B2 (en) * 2005-09-13 2011-03-01 Olympus Corporation Image forming optical system and electronic image pickup apparatus using image forming optical system
JP4989079B2 (ja) * 2006-02-02 2012-08-01 キヤノン株式会社 ズームレンズ及びそれを有する画像投射装置
JP4881035B2 (ja) * 2006-02-27 2012-02-22 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
JP5031378B2 (ja) * 2006-02-28 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光学機器
JP4957124B2 (ja) * 2006-08-28 2012-06-20 コニカミノルタアドバンストレイヤー株式会社 ズームレンズ
JP5039393B2 (ja) * 2007-02-16 2012-10-03 キヤノン株式会社 光学系及びそれを有する光学機器
JP5053694B2 (ja) * 2007-04-26 2012-10-17 キヤノン株式会社 投射用ズームレンズ、光学ユニット及び画像投射装置
JP5031475B2 (ja) * 2007-07-31 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影システム
JP2009047836A (ja) * 2007-08-17 2009-03-05 Fujinon Corp 光学レンズ、光学系ユニット及び光学機器
JP5294622B2 (ja) * 2007-12-28 2013-09-18 キヤノン株式会社 光学系及びそれを有する光学機器
US8411368B2 (en) * 2009-02-02 2013-04-02 Panasonic Corporation Zoom lens system, interchangeable lens apparatus and camera system
JP5424745B2 (ja) * 2009-07-02 2014-02-26 キヤノン株式会社 光学系及びそれを有する光学機器
JP2012048200A (ja) * 2010-07-28 2012-03-08 Panasonic Corp ズームレンズ系、撮像装置及びカメラ
JP5159941B2 (ja) * 2011-11-08 2013-03-13 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
WO2013136688A1 (ja) * 2012-03-13 2013-09-19 富士フイルム株式会社 投写用ズームレンズおよび投写型表示装置
TWI479223B (zh) * 2012-06-05 2015-04-01 Delta Electronics Inc 投影變焦鏡頭
CN103631006B (zh) * 2012-12-28 2016-08-03 利达光电股份有限公司 大变倍比连续变焦投射镜头
WO2014129175A1 (ja) * 2013-02-25 2014-08-28 パナソニック株式会社 光学レンズ
JP2018054989A (ja) * 2016-09-30 2018-04-05 キヤノン株式会社 光学系およびそれを有する光学機器
CN108957713B (zh) * 2017-05-19 2021-04-27 信泰光学(深圳)有限公司 投影镜头
CN113608331B (zh) * 2021-06-30 2023-03-17 歌尔光学科技有限公司 一种投影镜头及投影设备

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210907A (ja) * 1987-02-27 1988-09-01 Asahi Optical Co Ltd コンパクトで明るい広角ズ−ムレンズ
US4913535A (en) * 1989-05-01 1990-04-03 Lockheed Missiles & Space Company, Inc. Apochromatic lens systems
JP2988031B2 (ja) * 1991-07-17 1999-12-06 キヤノン株式会社 コンパクトなズームレンズ
JP3369598B2 (ja) * 1992-07-20 2003-01-20 オリンパス光学工業株式会社 変倍レンズ
JP3394624B2 (ja) * 1995-02-17 2003-04-07 オリンパス光学工業株式会社 ズームレンズ
JP3570697B2 (ja) * 1995-10-05 2004-09-29 富士写真光機株式会社 ３群ズームレンズ
JPH10115777A (ja) * 1996-10-11 1998-05-06 Olympus Optical Co Ltd 撮影レンズ
JP3486532B2 (ja) * 1997-08-04 2004-01-13 キヤノン株式会社 振動補償機能を有したズームレンズ及びそれを有するカメラ
JPH1164726A (ja) 1997-08-22 1999-03-05 Olympus Optical Co Ltd 広角レンズ
JP4046834B2 (ja) * 1998-02-13 2008-02-13 キヤノン株式会社 防振機能を有した変倍光学系
JP4072276B2 (ja) 1999-03-16 2008-04-09 キヤノン株式会社 ズームレンズ
JP2000305017A (ja) * 1999-04-20 2000-11-02 Olympus Optical Co Ltd 高変倍ズームレンズ
JP3517625B2 (ja) * 1999-07-01 2004-04-12 キヤノン株式会社 光学材料及びそれを用いた光学系
JP3391342B2 (ja) * 1999-10-29 2003-03-31 ミノルタ株式会社 撮像レンズ装置
JP4101992B2 (ja) * 1999-11-24 2008-06-18 オリンパス株式会社 小型高変倍広角ズームレンズ
JP2002244044A (ja) * 2001-02-19 2002-08-28 Canon Inc ズームレンズ及びそれを用いた光学機器
JP4776796B2 (ja) * 2001-03-23 2011-09-21 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
JP2003140049A (ja) * 2001-11-05 2003-05-14 Canon Inc 投影光学系及びそれを用いた投影装置
JP4109884B2 (ja) * 2002-04-04 2008-07-02 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
JP2004070306A (ja) * 2002-06-12 2004-03-04 Fuji Photo Optical Co Ltd ズームレンズおよびこれを用いた投写型表示装置
JP2004117519A (ja) * 2002-09-24 2004-04-15 Canon Inc 変倍光学系及びそれを有する画像投射装置
JP2004126307A (ja) * 2002-10-03 2004-04-22 Cosina Co Ltd 投映用ズームレンズ
JP4579553B2 (ja) * 2004-01-30 2010-11-10 キヤノン株式会社 光学系及びそれを有する光学機器

Also Published As

Publication number Publication date
US7151636B2 (en) 2006-12-19
US20050243436A1 (en) 2005-11-03
JP2005316186A (ja) 2005-11-10

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