DE69219248D1 - Zoomobjektiv - Google Patents

Zoomobjektiv

Info

Publication number
DE69219248D1
DE69219248D1 DE69219248T DE69219248T DE69219248D1 DE 69219248 D1 DE69219248 D1 DE 69219248D1 DE 69219248 T DE69219248 T DE 69219248T DE 69219248 T DE69219248 T DE 69219248T DE 69219248 D1 DE69219248 D1 DE 69219248D1
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
DE69219248T
Other languages
English (en)
Other versions
DE69219248T2 (de
Inventor
Akihisa Horiuchi
Hiroyuki Hamano
Akihiro Nishio
Yasunori Murata
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
Priority claimed from JP3220151A external-priority patent/JP3029148B2/ja
Priority claimed from JP3222888A external-priority patent/JP3029150B2/ja
Priority claimed from JP24745391A external-priority patent/JP2840487B2/ja
Priority claimed from JP3278793A external-priority patent/JP3019540B2/ja
Priority claimed from JP18110092A external-priority patent/JPH0627376A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69219248D1 publication Critical patent/DE69219248D1/de
Application granted granted Critical
Publication of DE69219248T2 publication Critical patent/DE69219248T2/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
    • G02B15/16—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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses 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
    • G02B15/144—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)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
DE69219248T 1991-08-30 1992-08-28 Zoomobjektiv Expired - Lifetime DE69219248T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3220151A JP3029148B2 (ja) 1991-08-30 1991-08-30 リヤーフォーカス式ズームレンズ
JP3222888A JP3029150B2 (ja) 1991-09-03 1991-09-03 広角高変倍ズームレンズ
JP24745391A JP2840487B2 (ja) 1991-09-26 1991-09-26 リヤーフォーカス式のズームレンズ
JP3278793A JP3019540B2 (ja) 1991-09-30 1991-09-30 リヤーフォーカス式のズームレンズ
JP18110092A JPH0627376A (ja) 1992-07-08 1992-07-08 リヤーフォーカス式のズームレンズ

Publications (2)

Publication Number Publication Date
DE69219248D1 true DE69219248D1 (de) 1997-05-28
DE69219248T2 DE69219248T2 (de) 1997-10-16

Family

ID=27528793

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219248T Expired - Lifetime DE69219248T2 (de) 1991-08-30 1992-08-28 Zoomobjektiv

Country Status (3)

Country Link
US (1) US5638216A (de)
EP (1) EP0529646B1 (de)
DE (1) DE69219248T2 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6028716A (en) 1993-11-29 2000-02-22 Canon Kabushiki Kaisha Zoom lens
JP3822268B2 (ja) * 1995-08-24 2006-09-13 オリンパス株式会社 ズームレンズ
US6226130B1 (en) 1996-04-09 2001-05-01 Canon Kabushiki Kaisha Zoom lens
US5933283A (en) * 1996-04-15 1999-08-03 Canon Kabushiki Kaisha Zoom lens
US6606200B1 (en) 1996-09-19 2003-08-12 Canon Kabushiki Kaisha Zoom lens device and optical apparatus provided with the same
JPH10206736A (ja) * 1997-01-21 1998-08-07 Canon Inc ズームレンズ
US6473231B2 (en) 1997-03-18 2002-10-29 Canon Kabushiki Kaisha Variable magnification optical system having image stabilizing function
US6084722A (en) * 1997-07-02 2000-07-04 Canon Kabushiki Kaisha Zoom lens of rear focus type and image pickup apparatus
US6081389A (en) * 1997-07-31 2000-06-27 Canon Kabushiki Kaisha Zoom lens of retrofocus type
US6115188A (en) * 1997-10-16 2000-09-05 Canon Kabushiki Kaisha Optical system and optical apparatus having the same
US6285509B1 (en) 1997-12-25 2001-09-04 Canon Kabushiki Kaisha Zoom lens and display apparatus having the same
US6751028B1 (en) 1998-03-10 2004-06-15 Canon Kabushiki Kaisha Zoom lens and optical apparatus using the same
US6344932B1 (en) 1999-01-19 2002-02-05 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
US6414800B1 (en) 1999-05-10 2002-07-02 Canon Kabushiki Kaisha Variable magnification optical system and camera having the same
JP4379957B2 (ja) 1999-07-26 2009-12-09 キヤノン株式会社 リアフォーカス式ズームレンズ及びそれを用いた光学機器
US6545819B1 (en) 1999-08-31 2003-04-08 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
US6498687B1 (en) 1999-10-06 2002-12-24 Canon Kabushiki Kaisha Zoom lens and optical apparatus having the same
JP4447704B2 (ja) 1999-10-20 2010-04-07 キヤノン株式会社 変倍光学系及びそれを有するカメラ
US6392816B1 (en) 1999-10-29 2002-05-21 Canon Kabushiki Kaisha Variable magnification optical system and optical apparatus having the same
JP4146977B2 (ja) 1999-12-10 2008-09-10 キヤノン株式会社 ズームレンズ
JP2001228399A (ja) 2000-02-18 2001-08-24 Canon Inc ズームレンズ及びそれを用いた光学機器
US6587280B2 (en) 2000-05-11 2003-07-01 Canon Kabushiki Kaisha Zoom lens and optical device using the same
US7065047B2 (en) * 2001-10-22 2006-06-20 Pctel, Inc. System and method of providing computer networking
JP4626135B2 (ja) * 2002-10-04 2011-02-02 株式会社ニコン 大口径比内焦式望遠ズームレンズ
JP4839740B2 (ja) * 2004-09-15 2011-12-21 株式会社ニコン ズームレンズ
JP4695912B2 (ja) * 2005-04-11 2011-06-08 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
JP4944499B2 (ja) * 2006-05-31 2012-05-30 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
JP4944594B2 (ja) * 2006-12-22 2012-06-06 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
US8040615B2 (en) * 2007-02-27 2011-10-18 Nikon Corporation Zoom lens and optical apparatus equipped therewith
WO2008105249A1 (ja) * 2007-02-27 2008-09-04 Nikon Corporation ズームレンズと、これを有する光学装置
JP5082499B2 (ja) * 2007-02-27 2012-11-28 株式会社ニコン ズームレンズと、これを有する光学装置
JP5020695B2 (ja) * 2007-04-25 2012-09-05 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
RU2545064C2 (ru) * 2010-04-22 2015-03-27 Открытое Акционерное Общество "Пеленг" Вариообъектив
JP5906759B2 (ja) * 2012-01-25 2016-04-20 株式会社ニコン ズームレンズ、光学機器及びズームレンズの製造方法
PL3266026T3 (pl) 2015-03-03 2021-07-26 Nuscale Power, Llc Elementy mocujące dla układów reaktora jądrowego
US11378789B2 (en) 2017-11-17 2022-07-05 Nikon Corporation Variable power optical system, optical apparatus, and method for producing variable power optical system
CN112099211B (zh) * 2020-09-27 2022-07-05 杭州海康威视数字技术股份有限公司 变焦光学系统及图像采集设备
TWI799016B (zh) * 2021-12-17 2023-04-11 大立光電股份有限公司 取像光學系統鏡組、取像裝置及電子裝置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60221717A (ja) * 1984-04-16 1985-11-06 Nippon Kogaku Kk <Nikon> 高変倍率ズ−ムレンズ系
JPS6224213A (ja) * 1985-07-25 1987-02-02 Canon Inc ズ−ムレンズ
JP2538526B2 (ja) * 1986-03-17 1996-09-25 キヤノン株式会社 ズ−ムレンズ
US5009492A (en) * 1988-08-10 1991-04-23 Canon Kabushiki Kaisha Zoom lens
US5134524A (en) * 1989-06-09 1992-07-28 Canon Kabushiki Kaisha Rear focus type zoom lens
JPH0418623A (ja) * 1990-05-11 1992-01-22 Seiko Epson Corp 入力装置
US5138492A (en) * 1990-07-20 1992-08-11 Canon Kabushiki Kaisha Rear-focus type zoom lens suppressing fluctuation of aberration
US5353157A (en) * 1990-08-21 1994-10-04 Canon Kabushiki Kaisha Rear focusing zoom lens
JP3003226B2 (ja) * 1990-12-28 2000-01-24 ソニー株式会社 ズームレンズ

Also Published As

Publication number Publication date
EP0529646B1 (de) 1997-04-23
US5638216A (en) 1997-06-10
EP0529646A1 (de) 1993-03-03
DE69219248T2 (de) 1997-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition