DE69815960D1 - Zoom-Objektiv - Google Patents

Zoom-Objektiv

Info

Publication number
DE69815960D1
DE69815960D1 DE69815960T DE69815960T DE69815960D1 DE 69815960 D1 DE69815960 D1 DE 69815960D1 DE 69815960 T DE69815960 T DE 69815960T DE 69815960 T DE69815960 T DE 69815960T DE 69815960 D1 DE69815960 D1 DE 69815960D1
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 - Fee Related
Application number
DE69815960T
Other languages
English (en)
Other versions
DE69815960T2 (de
Inventor
Fumiaki Usui
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 DE69815960D1 publication Critical patent/DE69815960D1/de
Application granted granted Critical
Publication of DE69815960T2 publication Critical patent/DE69815960T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B15/144109—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)
DE69815960T 1997-07-24 1998-07-22 Zoom-Objektiv Expired - Fee Related DE69815960T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19834397 1997-07-24
JP19834397A JP3507291B2 (ja) 1997-07-24 1997-07-24 ズームレンズ

Publications (2)

Publication Number Publication Date
DE69815960D1 true DE69815960D1 (de) 2003-08-07
DE69815960T2 DE69815960T2 (de) 2004-05-13

Family

ID=16389551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69815960T Expired - Fee Related DE69815960T2 (de) 1997-07-24 1998-07-22 Zoom-Objektiv

Country Status (4)

Country Link
US (1) US5995297A (de)
EP (1) EP0893724B1 (de)
JP (1) JP3507291B2 (de)
DE (1) DE69815960T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545818B2 (en) 1999-05-10 2003-04-08 Canon Kabushiki Kaisha Zoom lens and camera system
JP4659196B2 (ja) 1999-10-14 2011-03-30 キヤノン株式会社 ズームレンズ及び撮影装置
JP4502341B2 (ja) * 2000-02-16 2010-07-14 フジノン株式会社 ズームレンズ
WO2012081250A1 (ja) 2010-12-16 2012-06-21 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6436687B2 (ja) 2014-08-28 2018-12-12 キヤノン株式会社 ズームレンズ及び撮像装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127322A (en) * 1978-03-27 1979-10-03 Canon Inc Zoom lens
US5745300A (en) * 1993-02-17 1998-04-28 Canon Kabushiki Kaisha Zoom lens of the inner focus type
JP3102200B2 (ja) * 1993-03-31 2000-10-23 キヤノン株式会社 ズームレンズ
US5583698A (en) * 1993-06-07 1996-12-10 Matsushita Electric Industrial Co., Ltd. Aspherical zoom lens
US5579172A (en) * 1993-07-19 1996-11-26 Nikon Corporation Zoom lens system
JPH0735978A (ja) * 1993-07-20 1995-02-07 Nikon Corp ズームレンズ
JPH08129134A (ja) * 1994-11-01 1996-05-21 Nikon Corp ズームレンズ
JPH08184758A (ja) * 1995-01-05 1996-07-16 Nikon Corp ズームレンズ
JP3376171B2 (ja) * 1995-06-22 2003-02-10 キヤノン株式会社 ズームレンズ

Also Published As

Publication number Publication date
EP0893724B1 (de) 2003-07-02
US5995297A (en) 1999-11-30
JPH1138321A (ja) 1999-02-12
EP0893724A1 (de) 1999-01-27
DE69815960T2 (de) 2004-05-13
JP3507291B2 (ja) 2004-03-15

Similar Documents

Publication Publication Date Title
DE69728804D1 (de) Katadioptrisches Vario-Objektiv
DE69716789D1 (de) Brillenglas
DE69628858D1 (de) Festkörper-gammakamera
DE69627245D1 (de) Varioobjektiv
DE69724570D1 (de) Stehbildkamera
NO995561D0 (no) Variabel brillelinse
DE69824173D1 (de) Optisches bauelement
DE69625954D1 (de) Standbildkamera
DE69839419D1 (de) Optisches Element
DE59807663D1 (de) Endoskopobjektiv
DE60033989D1 (de) Zoomobjektiv
FI972023A0 (fi) Optisk add/drop-anordning
DE69823082T2 (de) Autofokuskamera
DE69726096D1 (de) Zoom-objektiv
DE69621546D1 (de) Zoomobjektiv
DE69530162D1 (de) Projektionsobjektiv
DE59711915D1 (de) Objektivlinse
DE69835985D1 (de) Zoomobjektiv
ID25903A (id) Lensa oftalmik holografik
DE69723520D1 (de) Kamera
DE69535238D1 (de) Kamera
DE69720830D1 (de) Kamera
DE59906573D1 (de) Polarisationsoptisch kompensiertes Objektiv
DE69810023D1 (de) Zoomobjektiv
DK0798592T3 (da) Linseresterark

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee