JP4756903B2 - 広角レンズ、及びズームレンズ - Google Patents

広角レンズ、及びズームレンズ Download PDF

Info

Publication number
JP4756903B2
JP4756903B2 JP2005131837A JP2005131837A JP4756903B2 JP 4756903 B2 JP4756903 B2 JP 4756903B2 JP 2005131837 A JP2005131837 A JP 2005131837A JP 2005131837 A JP2005131837 A JP 2005131837A JP 4756903 B2 JP4756903 B2 JP 4756903B2
Authority
JP
Japan
Prior art keywords
optical system
lens
projection
light
line
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
JP2005131837A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006308890A5 (enExample
JP2006308890A (ja
Inventor
茂宣 杉田
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 JP2005131837A priority Critical patent/JP4756903B2/ja
Priority to US11/408,730 priority patent/US7436488B2/en
Publication of JP2006308890A publication Critical patent/JP2006308890A/ja
Publication of JP2006308890A5 publication Critical patent/JP2006308890A5/ja
Application granted granted Critical
Publication of JP4756903B2 publication Critical patent/JP4756903B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • 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
    • G02B15/143507—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
    • G02B15/146—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)
  • Projection Apparatus (AREA)
JP2005131837A 2005-04-28 2005-04-28 広角レンズ、及びズームレンズ Expired - Fee Related JP4756903B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005131837A JP4756903B2 (ja) 2005-04-28 2005-04-28 広角レンズ、及びズームレンズ
US11/408,730 US7436488B2 (en) 2005-04-28 2006-04-20 Wide-angle lens and zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005131837A JP4756903B2 (ja) 2005-04-28 2005-04-28 広角レンズ、及びズームレンズ

Publications (3)

Publication Number Publication Date
JP2006308890A JP2006308890A (ja) 2006-11-09
JP2006308890A5 JP2006308890A5 (enExample) 2008-06-19
JP4756903B2 true JP4756903B2 (ja) 2011-08-24

Family

ID=37234109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005131837A Expired - Fee Related JP4756903B2 (ja) 2005-04-28 2005-04-28 広角レンズ、及びズームレンズ

Country Status (2)

Country Link
US (1) US7436488B2 (enExample)
JP (1) JP4756903B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7297800B2 (en) * 2001-12-27 2007-11-20 Ajinomoto Co., Inc. Process of producing glutamate derivatives
JP5207761B2 (ja) * 2008-02-12 2013-06-12 キヤノン株式会社 光学系及びそれを有する光学機器
JP5211893B2 (ja) * 2008-06-27 2013-06-12 コニカミノルタアドバンストレイヤー株式会社 投影レンズ及びプロジェクタ
JP5701970B2 (ja) * 2011-02-24 2015-04-15 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
JP5896684B2 (ja) * 2011-10-21 2016-03-30 キヤノン株式会社 光学系及びそれを有する撮像装置
KR101681807B1 (ko) * 2014-07-08 2016-12-02 주식회사 나노포토닉스 어안 렌즈
US10043425B2 (en) 2015-03-24 2018-08-07 Microsoft Technology Licensing, Llc Test patterns for motion-induced chromatic shift
CN114902105B (zh) * 2020-01-30 2025-11-04 松下知识产权经营株式会社 光学系统、图像投影装置以及摄像装置
CN116430654B (zh) * 2023-03-15 2025-10-10 歌尔光学科技有限公司 投影光学模组、投影显示系统以及可穿戴设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10161027A (ja) 1996-11-27 1998-06-19 Minolta Co Ltd 変倍光学系
JP2001215411A (ja) 2000-02-03 2001-08-10 Kyocera Corp Ｄｌｐ用投影ズームレンズ
JP2002131639A (ja) 2000-10-20 2002-05-09 Nikon Corp ズームレンズ及びこのレンズを備える投射型表示装置
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
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
EP1553435A4 (en) 2002-10-15 2012-02-15 Panasonic Corp OBJECTIVE ZOOM, VIDEO ENLARGEMENT AND PROJECTION SYSTEM, VIDEO PROJECTOR, RETROPROJECTOR AND MULTIVISION SYSTEM
JP4138439B2 (ja) 2002-10-15 2008-08-27 松下電器産業株式会社 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
JP2005106948A (ja) * 2003-09-29 2005-04-21 Canon Inc 投射光学系及び画像投射装置
JP2005062225A (ja) * 2003-08-11 2005-03-10 Canon Inc ズームレンズ及びそれを有する画像投射装置
US7215477B2 (en) * 2004-03-10 2007-05-08 Canon Kabushiki Kaisha Zoom lens and image display apparatus including the zoom lens
JP4612824B2 (ja) * 2004-09-17 2011-01-12 キヤノン株式会社 画像投射装置

Also Published As

Publication number Publication date
US20060244939A1 (en) 2006-11-02
US7436488B2 (en) 2008-10-14
JP2006308890A (ja) 2006-11-09

Similar Documents

Publication Publication Date Title
US7576923B2 (en) Zoom lens and image projection apparatus having the same
US7817345B2 (en) Zoom lens and image projection apparatus including the same
JP5042708B2 (ja) 投写レンズおよびこれを用いた投写型表示装置
JP5431077B2 (ja) 投写レンズおよび投写型表示装置
JP5090852B2 (ja) 投写レンズおよびこれを用いた投写型表示装置
JP5670602B2 (ja) 投写用レンズおよび投写型表示装置
JP2008304765A (ja) ズームレンズ及びそれを用いた画像投影装置
JP5101959B2 (ja) 投写型ズームレンズおよび投写型表示装置
JP2009003259A (ja) 投影用ズームレンズおよび投写型表示装置
JP2009128684A (ja) 投影用ズームレンズおよび投写型表示装置
JP2011017900A (ja) 投写型可変焦点レンズおよび投写型表示装置
JP2019035873A (ja) 投写用光学系及び投写型表示装置
CN204065540U (zh) 投影用光学系统和投影型显示装置
JP2010160478A (ja) 投写用ズームレンズおよび投写型表示装置
JP5642868B2 (ja) 投写用ズームレンズおよび投写型表示装置
JP4756903B2 (ja) 広角レンズ、及びズームレンズ
JP4865921B2 (ja) ズームレンズ及びそれを有する画像投射装置
JP2011017899A (ja) 投写型可変焦点レンズおよび投写型表示装置
US9383560B2 (en) Zoom lens for projection and projection-type display apparatus
JP2008309991A (ja) 投写レンズおよびこれを用いた投写型表示装置
JP4551676B2 (ja) ズームレンズ、画像表示装置、撮像装置
JP2008309990A (ja) 投写レンズおよびこれを用いた投写型表示装置
JP5330164B2 (ja) 投写型可変焦点レンズおよび投写型表示装置
JP2010044264A (ja) 投写型可変焦点レンズおよび投写型表示装置
JP2005257895A (ja) ズームレンズ、画像表示装置、撮像装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080423

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080423

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100201

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20100630

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110222

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110301

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110502

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110524

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110531

R150 Certificate of patent or registration of utility model

Ref document number: 4756903

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140610

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees