DE69627245D1 - Varioobjektiv - Google Patents

Varioobjektiv

Info

Publication number
DE69627245D1
DE69627245D1 DE69627245T DE69627245T DE69627245D1 DE 69627245 D1 DE69627245 D1 DE 69627245D1 DE 69627245 T DE69627245 T DE 69627245T DE 69627245 T DE69627245 T DE 69627245T DE 69627245 D1 DE69627245 D1 DE 69627245D1
Authority
DE
Germany
Prior art keywords
zoom lens
zoom
lens
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 - Lifetime
Application number
DE69627245T
Other languages
English (en)
Other versions
DE69627245T2 (de
Inventor
Kiyoshi Fukami
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
Application granted granted Critical
Publication of DE69627245D1 publication Critical patent/DE69627245D1/de
Publication of DE69627245T2 publication Critical patent/DE69627245T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/1441—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 positive
    • G02B15/144113—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 positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE69627245T 1995-06-29 1996-06-27 Varioobjektiv Expired - Lifetime DE69627245T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18867195A JP3376177B2 (ja) 1995-06-29 1995-06-29 ズームレンズ
JP18867195 1995-06-29

Publications (2)

Publication Number Publication Date
DE69627245D1 true DE69627245D1 (de) 2003-05-15
DE69627245T2 DE69627245T2 (de) 2004-01-22

Family

ID=16227821

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627245T Expired - Lifetime DE69627245T2 (de) 1995-06-29 1996-06-27 Varioobjektiv

Country Status (4)

Country Link
US (1) US5757554A (de)
EP (1) EP0751414B1 (de)
JP (1) JP3376177B2 (de)
DE (1) DE69627245T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062686A (ja) * 1996-08-19 1998-03-06 Fuji Photo Optical Co Ltd インナーフォーカシングタイプのズームレンズ
JP3526177B2 (ja) * 1997-07-11 2004-05-10 キヤノン株式会社 ズームレンズ
US6545818B2 (en) * 1999-05-10 2003-04-08 Canon Kabushiki Kaisha Zoom lens and camera system
JP4463909B2 (ja) * 1999-10-19 2010-05-19 キヤノン株式会社 ズームレンズ
JP5247238B2 (ja) * 2008-05-21 2013-07-24 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
JP5350129B2 (ja) * 2009-08-17 2013-11-27 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
JP5584533B2 (ja) * 2010-06-30 2014-09-03 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
JP5208185B2 (ja) * 2010-11-16 2013-06-12 キヤノン株式会社 ズームレンズおよび光学機器
JP5738069B2 (ja) * 2011-05-24 2015-06-17 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
CN103797397B (zh) 2011-09-16 2016-03-30 富士胶片株式会社 变焦镜头和成像设备
JP5616534B2 (ja) * 2011-11-04 2014-10-29 富士フイルム株式会社 ズームレンズおよび撮像装置
CN103917911B (zh) * 2011-11-04 2016-03-30 富士胶片株式会社 变焦透镜和摄像装置
JP5663116B2 (ja) 2012-04-09 2015-02-04 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5959989B2 (ja) * 2012-08-17 2016-08-02 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
JP2014232313A (ja) 2013-04-30 2014-12-11 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
JP6128387B2 (ja) 2013-07-12 2017-05-17 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6066419B2 (ja) 2013-07-19 2017-01-25 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6529215B2 (ja) 2013-11-12 2019-06-12 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
JP6347590B2 (ja) 2013-11-12 2018-06-27 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
JP2015094867A (ja) * 2013-11-12 2015-05-18 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
JP6296804B2 (ja) * 2014-01-22 2018-03-20 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6145052B2 (ja) * 2014-02-17 2017-06-07 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
JP6129766B2 (ja) * 2014-02-26 2017-05-17 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6344965B2 (ja) 2014-05-08 2018-06-20 キヤノン株式会社 光学系及びそれを有する撮像装置
CN106772964B (zh) 2014-08-06 2019-12-27 歌尔科技有限公司 一种变焦镜头
JP6609956B2 (ja) * 2015-03-27 2019-11-27 株式会社シグマ 魚眼レンズ
JP6581456B2 (ja) * 2015-09-30 2019-09-25 キヤノン株式会社 ズームレンズおよび撮像装置
WO2017158899A1 (ja) * 2016-03-16 2017-09-21 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018128520A (ja) * 2017-02-07 2018-08-16 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6670262B2 (ja) * 2017-02-24 2020-03-18 富士フイルム株式会社 ズームレンズおよび撮像装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1647001A1 (de) * 1968-01-05 1971-01-14 Schneider Co Optische Werke Lichtstarkes Objektiv mit veraenderbarer Brennweite
JPS5241068A (en) * 1975-09-27 1977-03-30 Matsushita Electric Works Ltd Simple shower unit
JPS594686B2 (ja) * 1975-12-04 1984-01-31 キヤノン株式会社 カヘンシヨウテンキヨリレンズ
JPS594688B2 (ja) * 1976-03-11 1984-01-31 キヤノン株式会社 ズ−ムレンズ
JPS52128153A (en) * 1976-04-20 1977-10-27 Olympus Optical Co Ltd Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity
JPS5557815A (en) * 1978-10-20 1980-04-30 Canon Inc Zoom lens
JPS55117119A (en) * 1979-03-02 1980-09-09 Canon Inc Zoom lens
US4485007A (en) * 1982-06-15 1984-11-27 Environmental Research And Technology Inc. Process for purifying hydrocarbonaceous oils
JPS5915214A (ja) * 1982-07-17 1984-01-26 Canon Inc ズ−ムレンズのフオ−カシング方法
JPS6153696A (ja) * 1984-08-24 1986-03-17 カシオ計算機株式会社 電子楽器
JPH0820599B2 (ja) * 1985-05-11 1996-03-04 株式会社ニコン ズームレンズ
US5097360A (en) * 1988-10-07 1992-03-17 Canon Kabushiki Kaisha Zoom lens capable of changing a range of variable focal length
US5136431A (en) * 1988-12-06 1992-08-04 Canon Kabushiki Kaisha Zoom lens of the internal focus type
US5191475A (en) * 1989-02-09 1993-03-02 Canon Kabushiki Kaisha Zoom lens
JPH06242378A (ja) * 1993-02-17 1994-09-02 Canon Inc ズームレンズ

Also Published As

Publication number Publication date
JPH0915501A (ja) 1997-01-17
EP0751414A2 (de) 1997-01-02
US5757554A (en) 1998-05-26
DE69627245T2 (de) 2004-01-22
EP0751414B1 (de) 2003-04-09
EP0751414A3 (de) 1997-12-17
JP3376177B2 (ja) 2003-02-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition