DE60302305D1 - Zoomobjektiv und dessen Benutzung in einer Kamera - Google Patents

Zoomobjektiv und dessen Benutzung in einer Kamera

Info

Publication number
DE60302305D1
DE60302305D1 DE60302305T DE60302305T DE60302305D1 DE 60302305 D1 DE60302305 D1 DE 60302305D1 DE 60302305 T DE60302305 T DE 60302305T DE 60302305 T DE60302305 T DE 60302305T DE 60302305 D1 DE60302305 D1 DE 60302305D1
Authority
DE
Germany
Prior art keywords
camera
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
DE60302305T
Other languages
English (en)
Other versions
DE60302305T2 (de
Inventor
Nurishi Ryuji
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
Publication of DE60302305D1 publication Critical patent/DE60302305D1/de
Application granted granted Critical
Publication of DE60302305T2 publication Critical patent/DE60302305T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • G02B15/17—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 +--

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lenses (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
DE60302305T 2002-08-30 2003-08-28 Zoomobjektiv und dessen Benutzung in einer Kamera Expired - Lifetime DE60302305T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002255355 2002-08-30
JP2002255355A JP4298241B2 (ja) 2002-08-30 2002-08-30 ズームレンズ装置

Publications (2)

Publication Number Publication Date
DE60302305D1 true DE60302305D1 (de) 2005-12-22
DE60302305T2 DE60302305T2 (de) 2006-06-29

Family

ID=31712268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60302305T Expired - Lifetime DE60302305T2 (de) 2002-08-30 2003-08-28 Zoomobjektiv und dessen Benutzung in einer Kamera

Country Status (4)

Country Link
US (1) US6847495B2 (de)
EP (1) EP1396746B1 (de)
JP (1) JP4298241B2 (de)
DE (1) DE60302305T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4579572B2 (ja) 2004-04-28 2010-11-10 キヤノン株式会社 光学機器の駆動制御装置
JP4708737B2 (ja) * 2004-06-04 2011-06-22 キヤノン株式会社 レンズ装置
JP5759209B2 (ja) * 2011-03-04 2015-08-05 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
CN104267486B (zh) * 2014-10-14 2016-06-15 福建福光股份有限公司 25.2倍变焦距高分辨率电视摄像镜头
JP6377009B2 (ja) * 2015-04-24 2018-08-22 キヤノン株式会社 光学系及びそれを有する撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58129404A (ja) * 1982-01-27 1983-08-02 Minolta Camera Co Ltd 手動及び自動フオ−カシングの可能なズ−ムレンズ系
JPS59214814A (ja) * 1983-05-20 1984-12-04 Canon Inc ズ−ムレンズ装置
US4890132A (en) * 1987-03-26 1989-12-26 Asahi Kogaku Kogyo Kabushiki Kaisha Manual control apparatus of zoom lens barrel for an auto focus camera
US5448328A (en) * 1992-02-07 1995-09-05 Canon Kabushiki Kaisha Vibration driven system

Also Published As

Publication number Publication date
US20040051966A1 (en) 2004-03-18
EP1396746B1 (de) 2005-11-16
JP4298241B2 (ja) 2009-07-15
EP1396746A2 (de) 2004-03-10
EP1396746A3 (de) 2004-03-17
JP2004093938A (ja) 2004-03-25
US6847495B2 (en) 2005-01-25
DE60302305T2 (de) 2006-06-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition