JP4616966B2 - 投写用ズームレンズおよびプロジェクタ装置 - Google Patents

投写用ズームレンズおよびプロジェクタ装置 Download PDF

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Publication number
JP4616966B2
JP4616966B2 JP2000127430A JP2000127430A JP4616966B2 JP 4616966 B2 JP4616966 B2 JP 4616966B2 JP 2000127430 A JP2000127430 A JP 2000127430A JP 2000127430 A JP2000127430 A JP 2000127430A JP 4616966 B2 JP4616966 B2 JP 4616966B2
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Japan
Prior art keywords
lens
refractive power
zoom lens
projection zoom
projection
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Expired - Fee Related
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JP2000127430A
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English (en)
Japanese (ja)
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JP2001311872A (ja
JP2001311872A5 (enExample
Inventor
修司 成松
章 澤本
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.)
Nitto Optical Co Ltd
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Nitto Optical Co Ltd
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Publication date
Application filed by Nitto Optical Co Ltd filed Critical Nitto Optical Co Ltd
Priority to JP2000127430A priority Critical patent/JP4616966B2/ja
Priority to US09/843,619 priority patent/US6587279B2/en
Publication of JP2001311872A publication Critical patent/JP2001311872A/ja
Publication of JP2001311872A5 publication Critical patent/JP2001311872A5/ja
Application granted granted Critical
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Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G02B15/145—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 five groups only
    • G02B15/1455—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 five groups only the first group being negative
    • G02B15/145523—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 five 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
    • G02B15/16—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2000127430A 2000-04-27 2000-04-27 投写用ズームレンズおよびプロジェクタ装置 Expired - Fee Related JP4616966B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000127430A JP4616966B2 (ja) 2000-04-27 2000-04-27 投写用ズームレンズおよびプロジェクタ装置
US09/843,619 US6587279B2 (en) 2000-04-27 2001-04-26 Projection zoom lens system and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000127430A JP4616966B2 (ja) 2000-04-27 2000-04-27 投写用ズームレンズおよびプロジェクタ装置

Publications (3)

Publication Number Publication Date
JP2001311872A JP2001311872A (ja) 2001-11-09
JP2001311872A5 JP2001311872A5 (enExample) 2007-06-14
JP4616966B2 true JP4616966B2 (ja) 2011-01-19

Family

ID=18637025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000127430A Expired - Fee Related JP4616966B2 (ja) 2000-04-27 2000-04-27 投写用ズームレンズおよびプロジェクタ装置

Country Status (2)

Country Link
US (1) US6587279B2 (enExample)
JP (1) JP4616966B2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003098431A (ja) * 2001-09-21 2003-04-03 Seiko Epson Corp 投射レンズ
JP4191966B2 (ja) * 2002-08-21 2008-12-03 日東光学株式会社 投写用ズームレンズシステムおよびプロジェクタ装置
JP4366086B2 (ja) * 2003-01-30 2009-11-18 日東光学株式会社 投写用レンズシステムおよびプロジェクタ装置
US6885506B2 (en) * 2003-02-05 2005-04-26 Pentax Corporation Wide-angle zoom lens system
JP4206769B2 (ja) 2003-02-10 2009-01-14 セイコーエプソン株式会社 投映用ズームレンズ及びこれを備えたプロジェクター
JP4322567B2 (ja) 2003-06-20 2009-09-02 パナソニック株式会社 ズームレンズ、並びにそれを用いた映像拡大投写システム及びビデオプロジェクタ、並びにそのビデオプロジェクタを用いたリアプロジェクタ及びマルチビジョンシステム
JP2005128506A (ja) * 2003-09-30 2005-05-19 Sanyo Electric Co Ltd 手持ち式プロジェクタ
JP2006065249A (ja) * 2004-08-30 2006-03-09 Fujinon Corp ズームレンズおよびこれを用いた投写型表示装置
JP4612824B2 (ja) * 2004-09-17 2011-01-12 キヤノン株式会社 画像投射装置
CN100346188C (zh) * 2006-01-20 2007-10-31 中国兵器工业第二O五研究所 投影仪用连续变焦投影镜头
US7548378B2 (en) * 2006-07-31 2009-06-16 Casio Computer Co., Ltd. Zoom lens and projector using zoom lens
JP2008083229A (ja) 2006-09-26 2008-04-10 Fujinon Corp 投写型ズームレンズおよび投写型表示装置
JP2009192771A (ja) * 2008-02-14 2009-08-27 Sony Corp ズームレンズおよび撮像装置ならびにズームレンズの制御方法
JP5081049B2 (ja) 2008-04-17 2012-11-21 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
JP5300467B2 (ja) * 2008-12-26 2013-09-25 キヤノン株式会社 光学系及びそれを有する光学機器
JP5287326B2 (ja) * 2009-02-16 2013-09-11 セイコーエプソン株式会社 投射用ズームレンズ及び投射型画像表示装置
JP5512402B2 (ja) * 2010-06-03 2014-06-04 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
JP5919718B2 (ja) * 2011-10-17 2016-05-18 セイコーエプソン株式会社 投射用ズームレンズ
JP5828393B2 (ja) 2011-10-17 2015-12-02 セイコーエプソン株式会社 投射用ズームレンズ
JP2013148812A (ja) * 2012-01-23 2013-08-01 Konica Minolta Inc 変倍機能を有する投影レンズ及びプロジェクタ
JP2013242502A (ja) * 2012-05-23 2013-12-05 Sony Corp ズームレンズおよび撮像装置
CN113885178B (zh) * 2021-10-26 2024-04-30 长春精仪光电技术有限公司 一种宽光谱像方远心无热化光学系统
CN117111281B (zh) * 2023-10-25 2024-01-02 成都量芯集成科技有限公司 变焦光学系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3147492B2 (ja) * 1992-05-11 2001-03-19 キヤノン株式会社 ズームレンズ
JP3144153B2 (ja) * 1993-04-16 2001-03-12 キヤノン株式会社 ズームレンズ
JP3134611B2 (ja) * 1993-07-28 2001-02-13 キヤノン株式会社 ズームレンズ
JP3352227B2 (ja) * 1994-05-13 2002-12-03 キヤノン株式会社 ズームレンズ
JPH08304704A (ja) * 1995-03-08 1996-11-22 Nikon Corp ズームレンズ
JP3508273B2 (ja) * 1995-03-08 2004-03-22 株式会社ニコン ズームレンズ
JPH09230242A (ja) * 1996-02-22 1997-09-05 Nikon Corp ズームレンズ
US5841587A (en) * 1996-04-29 1998-11-24 U.S. Precision Lens Inc. LCD projection lens
JPH10186235A (ja) * 1996-10-24 1998-07-14 Koshina:Kk 投映用ズームレンズ
US5900987A (en) * 1997-02-13 1999-05-04 U.S. Precision Lens Inc Zoom projection lenses for use with pixelized panels
JPH10268193A (ja) * 1997-03-24 1998-10-09 Fuji Photo Optical Co Ltd ズームレンズ
JP3987168B2 (ja) * 1997-09-26 2007-10-03 リコー光学株式会社 投射用ズームレンズ
JP4083856B2 (ja) * 1998-02-18 2008-04-30 リコー光学株式会社 投射用ズームレンズ
JPH11231218A (ja) * 1998-02-18 1999-08-27 Nitto Kogaku Kk 投写用ズームレンズおよびプロジェクタ装置

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Publication number Publication date
US6587279B2 (en) 2003-07-01
JP2001311872A (ja) 2001-11-09
US20020018301A1 (en) 2002-02-14

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