DE69808001D1 - Hochleistungs-Zoom-Objektiv - Google Patents

Hochleistungs-Zoom-Objektiv

Info

Publication number
DE69808001D1
DE69808001D1 DE69808001T DE69808001T DE69808001D1 DE 69808001 D1 DE69808001 D1 DE 69808001D1 DE 69808001 T DE69808001 T DE 69808001T DE 69808001 T DE69808001 T DE 69808001T DE 69808001 D1 DE69808001 D1 DE 69808001D1
Authority
DE
Germany
Prior art keywords
zoom lens
lens group
lens groups
optical power
axially movable
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
DE69808001T
Other languages
English (en)
Other versions
DE69808001T2 (de
Inventor
Iain A Neil
Ellis I Betensky
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.)
Panavision Inc
Original Assignee
Panavision 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 Panavision Inc filed Critical Panavision Inc
Application granted granted Critical
Publication of DE69808001D1 publication Critical patent/DE69808001D1/de
Publication of DE69808001T2 publication Critical patent/DE69808001T2/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
    • G02B15/143—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69808001T 1997-07-25 1998-07-20 Hochleistungs-Zoom-Objektiv Expired - Lifetime DE69808001T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5374397P 1997-07-25 1997-07-25
US09/044,521 US6122111A (en) 1997-07-25 1998-03-19 High performance zoom lens system

Publications (2)

Publication Number Publication Date
DE69808001D1 true DE69808001D1 (de) 2002-10-24
DE69808001T2 DE69808001T2 (de) 2003-07-31

Family

ID=26721663

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69808001T Expired - Lifetime DE69808001T2 (de) 1997-07-25 1998-07-20 Hochleistungs-Zoom-Objektiv

Country Status (8)

Country Link
US (1) US6122111A (de)
EP (1) EP0893725B1 (de)
JP (1) JP4623769B2 (de)
AT (1) ATE224551T1 (de)
AU (1) AU731885B2 (de)
CA (1) CA2243785C (de)
DE (1) DE69808001T2 (de)
ES (1) ES2182192T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952375A1 (de) * 1999-10-30 2001-05-10 Espera Werke Gmbh Vorrichtung zum Anbringen von Haftetiketten auf Warenpackungen
US6829102B2 (en) * 2002-03-20 2004-12-07 Ricoh Company, Ltd. Zoom lens, and camera and portable information terminal for utilizing zoom lens
DE10215434B4 (de) * 2002-04-08 2015-01-15 Carl Zeiss Objektiv und Objektivserie
JP4354153B2 (ja) * 2002-06-11 2009-10-28 株式会社リコー ズームレンズ、カメラおよび携帯情報端末装置
JP4720117B2 (ja) * 2003-07-17 2011-07-13 株式会社ニコン ズームレンズ
US7283309B2 (en) * 2004-08-20 2007-10-16 Panavision International, L.P. Wide-range, wide-angle, rotatable compound zoom
US7123421B1 (en) * 2005-04-22 2006-10-17 Panavision International, L.P. Compact high performance zoom lens system
GB0705910D0 (en) * 2007-03-27 2007-05-09 Dsam London Llp Optical arrangement
JP5025386B2 (ja) * 2007-08-24 2012-09-12 キヤノン株式会社 ズームレンズ
US7880978B2 (en) * 2008-08-25 2011-02-01 Acm Projektentwicklung Gmbh Objective lens system
US8508864B2 (en) * 2008-08-25 2013-08-13 Acm Projektentwicklung Gmbh Objective lens system
JP5637110B2 (ja) * 2011-09-21 2014-12-10 コニカミノルタ株式会社 インナーフォーカスズームレンズ
US9841538B2 (en) 2013-04-04 2017-12-12 Cooke Optics Ltd. Anamorphic objective zoom lens

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705759A (en) * 1970-05-20 1972-12-12 Rank Organisation Ltd Optical objective of variable focal length
JPS5114034A (de) * 1974-07-24 1976-02-04 Canon Kk
JPS5232342A (en) * 1975-09-08 1977-03-11 Canon Inc Variable magnification optical unit
JPS5614212A (en) * 1979-07-13 1981-02-12 Minolta Camera Co Ltd Zoom lens system
JP2778232B2 (ja) * 1990-09-07 1998-07-23 キヤノン株式会社 広角ズームレンズ
US5264965A (en) * 1991-02-15 1993-11-23 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens
JP3074026B2 (ja) * 1991-03-04 2000-08-07 キヤノン株式会社 超広角型のズームレンズ
US5416639A (en) * 1991-06-29 1995-05-16 Olympus Optical Co., Ltd. Zoom lens system
JP3260836B2 (ja) * 1992-07-14 2002-02-25 オリンパス光学工業株式会社 広角高変倍ズームレンズ
JP3057921B2 (ja) * 1992-08-06 2000-07-04 キヤノン株式会社 ズームレンズ
JPH06242378A (ja) * 1993-02-17 1994-09-02 Canon Inc ズームレンズ
JP3495772B2 (ja) * 1993-11-30 2004-02-09 キヤノン株式会社 ズームレンズ及びそれを有するテレビカメラ
JP3414499B2 (ja) * 1994-06-24 2003-06-09 オリンパス光学工業株式会社 ズームレンズ
JP3464719B2 (ja) * 1994-10-18 2003-11-10 富士写真光機株式会社 ズームレンズのフォーカシング方式
JPH08201696A (ja) * 1995-01-27 1996-08-09 Canon Inc ズームレンズ
US5638215A (en) * 1995-06-20 1997-06-10 Panavision International, L.P. Objective lens system

Also Published As

Publication number Publication date
JPH1195100A (ja) 1999-04-09
DE69808001T2 (de) 2003-07-31
AU731885B2 (en) 2001-04-05
CA2243785A1 (en) 1999-01-25
EP0893725A1 (de) 1999-01-27
EP0893725B1 (de) 2002-09-18
CA2243785C (en) 2007-03-20
ATE224551T1 (de) 2002-10-15
JP4623769B2 (ja) 2011-02-02
AU7842598A (en) 1999-02-04
US6122111A (en) 2000-09-19
ES2182192T3 (es) 2003-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition