CN100507629C - 变焦透镜和具有该变焦透镜的图像投影装置 - Google Patents

变焦透镜和具有该变焦透镜的图像投影装置 Download PDF

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Publication number
CN100507629C
CN100507629C CNB2006100041045A CN200610004104A CN100507629C CN 100507629 C CN100507629 C CN 100507629C CN B2006100041045 A CNB2006100041045 A CN B2006100041045A CN 200610004104 A CN200610004104 A CN 200610004104A CN 100507629 C CN100507629 C CN 100507629C
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China
Prior art keywords
lens
light
lens unit
refractive power
zoom
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Expired - Fee Related
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CNB2006100041045A
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English (en)
Chinese (zh)
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CN1825153A (zh
Inventor
猪子和宏
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Canon Inc
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Canon Inc
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Publication of CN1825153A publication Critical patent/CN1825153A/zh
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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
    • G02B15/145—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
    • G02B15/145531—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
    • G02B15/146—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
CNB2006100041045A 2005-02-22 2006-02-22 变焦透镜和具有该变焦透镜的图像投影装置 Expired - Fee Related CN100507629C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005045456 2005-02-22
JP2005045456A JP4871517B2 (ja) 2005-02-22 2005-02-22 ズームレンズ及びそれを有する画像投射装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2008101463471A Division CN101441316B (zh) 2005-02-22 2006-02-22 变焦透镜和具有该变焦透镜的图像投影装置

Publications (2)

Publication Number Publication Date
CN1825153A CN1825153A (zh) 2006-08-30
CN100507629C true CN100507629C (zh) 2009-07-01

Family

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CNB2006100041045A Expired - Fee Related CN100507629C (zh) 2005-02-22 2006-02-22 变焦透镜和具有该变焦透镜的图像投影装置
CN2008101463471A Expired - Fee Related CN101441316B (zh) 2005-02-22 2006-02-22 变焦透镜和具有该变焦透镜的图像投影装置

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CN2008101463471A Expired - Fee Related CN101441316B (zh) 2005-02-22 2006-02-22 变焦透镜和具有该变焦透镜的图像投影装置

Country Status (3)

Country Link
US (3) US7190528B2 (enExample)
JP (1) JP4871517B2 (enExample)
CN (2) CN100507629C (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4871517B2 (ja) * 2005-02-22 2012-02-08 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
JP2007271697A (ja) * 2006-03-30 2007-10-18 Fujinon Corp 投影用ズームレンズおよび投写型表示装置
TWI322278B (en) * 2007-02-14 2010-03-21 Asia Optical Co Inc Zoom lens
JP2008209829A (ja) * 2007-02-28 2008-09-11 Tamron Co Ltd 投射ズームレンズ
JP5063165B2 (ja) * 2007-04-06 2012-10-31 キヤノン株式会社 ズームレンズ及び画像投射装置
JP5152833B2 (ja) * 2007-06-22 2013-02-27 富士フイルム株式会社 投影用ズームレンズおよび投写型表示装置
CN100592134C (zh) * 2007-09-24 2010-02-24 鸿富锦精密工业（深圳）有限公司 变焦投影镜头
JP5015739B2 (ja) * 2007-11-26 2012-08-29 富士フイルム株式会社 投影用ズームレンズおよび投写型表示装置
JP5069146B2 (ja) * 2008-02-29 2012-11-07 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
JP5081045B2 (ja) * 2008-04-11 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
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
JP5307655B2 (ja) * 2009-07-09 2013-10-02 富士フイルム株式会社 投写型可変焦点レンズおよび投写型表示装置
JP5582918B2 (ja) * 2010-08-20 2014-09-03 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
WO2012114755A1 (ja) * 2011-02-24 2012-08-30 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
WO2012114756A1 (ja) 2011-02-24 2012-08-30 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
JP4865921B2 (ja) * 2011-03-28 2012-02-01 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
US8749892B2 (en) 2011-06-17 2014-06-10 DigitalOptics Corporation Europe Limited Auto-focus actuator for field curvature correction of zoom lenses
JP5637110B2 (ja) * 2011-09-21 2014-12-10 コニカミノルタ株式会社 インナーフォーカスズームレンズ
JP5887175B2 (ja) * 2012-03-26 2016-03-16 リコー光学株式会社 投射用ズームレンズおよびプロジェクタ装置
CN103454757A (zh) * 2012-06-05 2013-12-18 台达电子工业股份有限公司 投影变焦镜头
JP5781704B2 (ja) * 2012-11-19 2015-09-24 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
CN204903851U (zh) * 2012-11-19 2015-12-23 富士胶片株式会社 投影用变焦透镜以及投影型显示装置
JP2015145982A (ja) * 2014-02-04 2015-08-13 コニカミノルタ株式会社 変倍投射光学系および画像投影装置
WO2017130265A1 (ja) * 2016-01-25 2017-08-03 オリンパス株式会社 単焦点光学系及びそれを備えた光学装置
JP6740873B2 (ja) * 2016-11-22 2020-08-19 セイコーエプソン株式会社 投射光学系及びプロジェクター
JP7249486B2 (ja) 2016-12-28 2023-03-31 パナソニックＩｐマネジメント株式会社 撮像光学系とそれを備える撮像装置およびカメラシステム
JP6742954B2 (ja) * 2017-07-06 2020-08-19 キヤノン株式会社 ズームレンズおよび画像投射装置
JP6469284B1 (ja) 2018-01-29 2019-02-13 キヤノン株式会社 投射レンズ及びこれを用いた投射型表示装置
US10656368B1 (en) 2019-07-24 2020-05-19 Omniome, Inc. Method and system for biological imaging using a wide field objective lens
KR102912661B1 (ko) * 2020-09-17 2026-01-13 한화비전 주식회사 줌 렌즈계
CN112946895B (zh) * 2021-02-02 2022-09-20 业成科技（成都）有限公司 头戴式显示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124274A (en) * 1976-01-28 1978-11-07 Canon Kabushiki Kaisha Zoom lens having closeup focusing control
US6580564B2 (en) * 2001-03-27 2003-06-17 Fuji Photo Optical Co., Ltd. Wide-angle zoom lens and projection-type display unit using it
CN1527069A (zh) * 2003-03-06 2004-09-08 卡西欧计算机株式会社 投影透镜

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642018B2 (ja) * 1984-10-11 1994-06-01 キヤノン株式会社 ズ−ムレンズ
JP3716476B2 (ja) * 1995-12-19 2005-11-16 株式会社ニコン ズームレンズ
JPH1082955A (ja) * 1996-09-06 1998-03-31 Minolta Co Ltd ズームレンズ
JPH10186235A (ja) 1996-10-24 1998-07-14 Koshina:Kk 投映用ズームレンズ
JP2001066501A (ja) * 1999-08-25 2001-03-16 Nikon Corp ズームレンズ
JP2001350094A (ja) * 2000-06-05 2001-12-21 Canon Inc 光学系、投射光学系及びそれを有する画像投影装置、撮像装置
JP4573937B2 (ja) 2000-02-23 2010-11-04 キヤノン株式会社 光学系およびそれを有する光学機器、画像投影装置、撮像装置
US6633436B2 (en) * 2000-02-23 2003-10-14 Canon Kabushiki Kaisha Optical system, projection optical system, image projection apparatus having it, and image pickup apparatus
JP2002062477A (ja) * 2000-08-18 2002-02-28 Mamiya Op Co Ltd 広角ズームレンズ
JP2002148516A (ja) * 2000-11-08 2002-05-22 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
JP4097957B2 (ja) 2001-03-27 2008-06-11 フジノン株式会社 広角ズームレンズおよびこれを用いた投写型表示装置
JP4750318B2 (ja) * 2001-06-27 2011-08-17 リコー光学株式会社 投射用ズームレンズ
JP4217437B2 (ja) * 2002-07-22 2009-02-04 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
JP2004226803A (ja) 2003-01-24 2004-08-12 Tamron Co Ltd テレセントリックズームレンズ
JP4871517B2 (ja) * 2005-02-22 2012-02-08 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124274A (en) * 1976-01-28 1978-11-07 Canon Kabushiki Kaisha Zoom lens having closeup focusing control
US6580564B2 (en) * 2001-03-27 2003-06-17 Fuji Photo Optical Co., Ltd. Wide-angle zoom lens and projection-type display unit using it
CN1527069A (zh) * 2003-03-06 2004-09-08 卡西欧计算机株式会社 投影透镜

Also Published As

Publication number Publication date
CN101441316A (zh) 2009-05-27
CN101441316B (zh) 2011-02-02
US7403339B2 (en) 2008-07-22
US20070103793A1 (en) 2007-05-10
JP2006234893A (ja) 2006-09-07
US7576923B2 (en) 2009-08-18
JP4871517B2 (ja) 2012-02-08
US20060187556A1 (en) 2006-08-24
US20080231967A1 (en) 2008-09-25
US7190528B2 (en) 2007-03-13
CN1825153A (zh) 2006-08-30

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