CN1325959C - 变焦透镜 - Google Patents

变焦透镜 Download PDF

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Publication number
CN1325959C
CN1325959C CNB2003801014995A CN200380101499A CN1325959C CN 1325959 C CN1325959 C CN 1325959C CN B2003801014995 A CNB2003801014995 A CN B2003801014995A CN 200380101499 A CN200380101499 A CN 200380101499A CN 1325959 C CN1325959 C CN 1325959C
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CN
China
Prior art keywords
lens
lens combination
wide
combination
distance
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
CNB2003801014995A
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English (en)
Chinese (zh)
Other versions
CN1705902A (zh
Inventor
木村俊介
高桥昌之
山本义春
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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.)
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Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1705902A publication Critical patent/CN1705902A/zh
Application granted granted Critical
Publication of CN1325959C publication Critical patent/CN1325959C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Lenses (AREA)
  • Projection Apparatus (AREA)
CNB2003801014995A 2002-10-15 2003-10-15 变焦透镜 Expired - Fee Related CN1325959C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP301029/2002 2002-10-15
JP301030/2002 2002-10-15
JP301028/2002 2002-10-15
JP2002301028A JP4171278B2 (ja) 2002-10-15 2002-10-15 ズームレンズとそれを用いた映像拡大投写システム、ビデオプロジェクター、リアプロジェクター、及びマルチビジョンシステム

Publications (2)

Publication Number Publication Date
CN1705902A CN1705902A (zh) 2005-12-07
CN1325959C true CN1325959C (zh) 2007-07-11

Family

ID=32449523

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2003801014995A Expired - Fee Related CN1325959C (zh) 2002-10-15 2003-10-15 变焦透镜

Country Status (2)

Country Link
JP (1) JP4171278B2 (ja)
CN (1) CN1325959C (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4687194B2 (ja) * 2005-03-30 2011-05-25 株式会社ニコン ズームレンズ
JP6253437B2 (ja) * 2014-02-14 2017-12-27 キヤノン株式会社 結像光学系及びそれを有する画像投射装置
CN104749745B (zh) * 2015-04-17 2017-03-01 张家港中贺自动化科技有限公司 一种大视场高分辨光学系统
JP6878816B2 (ja) * 2016-01-20 2021-06-02 セイコーエプソン株式会社 プロジェクター
JP7340789B2 (ja) * 2019-05-29 2023-09-08 パナソニックＩｐマネジメント株式会社 光学系、画像投写装置および撮像装置
CN112649951B (zh) * 2020-12-23 2022-11-01 福建福光股份有限公司 低畸变广角变焦镜头

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237415A (ja) * 1986-04-08 1987-10-17 Minolta Camera Co Ltd 有限距離用ズ−ムレンズ系
US4824236A (en) * 1986-04-08 1989-04-25 Minolta Camera Kabushiki Kaisha Zoom lens system for use in microfilm projection apparatus
JPH0248623A (ja) * 1988-08-11 1990-02-19 Canon Inc 有限距離用ズームレンズ
JPH07325272A (ja) * 1994-05-31 1995-12-12 Nikon Corp 防振機能を備えたズームレンズ
CN1339117A (zh) * 1999-10-07 2002-03-06 松下电器产业株式会社 变焦透镜及使用该变焦透镜的摄像机
JP2002296501A (ja) * 2001-03-30 2002-10-09 Nikon Corp 防振ズームレンズ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237415A (ja) * 1986-04-08 1987-10-17 Minolta Camera Co Ltd 有限距離用ズ−ムレンズ系
US4824236A (en) * 1986-04-08 1989-04-25 Minolta Camera Kabushiki Kaisha Zoom lens system for use in microfilm projection apparatus
JPH0248623A (ja) * 1988-08-11 1990-02-19 Canon Inc 有限距離用ズームレンズ
JPH07325272A (ja) * 1994-05-31 1995-12-12 Nikon Corp 防振機能を備えたズームレンズ
CN1339117A (zh) * 1999-10-07 2002-03-06 松下电器产业株式会社 变焦透镜及使用该变焦透镜的摄像机
JP2002296501A (ja) * 2001-03-30 2002-10-09 Nikon Corp 防振ズームレンズ

Also Published As

Publication number Publication date
JP2004138677A (ja) 2004-05-13
JP4171278B2 (ja) 2008-10-22
CN1705902A (zh) 2005-12-07

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Granted publication date: 20070711

CF01 Termination of patent right due to non-payment of annual fee