FR2010288A1 - - Google Patents

Info

Publication number
FR2010288A1
FR2010288A1 FR6918669A FR6918669A FR2010288A1 FR 2010288 A1 FR2010288 A1 FR 2010288A1 FR 6918669 A FR6918669 A FR 6918669A FR 6918669 A FR6918669 A FR 6918669A FR 2010288 A1 FR2010288 A1 FR 2010288A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6918669A
Other languages
French (fr)
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2010288A1 publication Critical patent/FR2010288A1/fr
Withdrawn legal-status Critical Current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
    • G02B15/142—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 two groups only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
  • Lens Barrels (AREA)
FR6918669A 1968-06-06 1969-06-06 Withdrawn FR2010288A1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26981/68A GB1214341A (en) 1968-06-06 1968-06-06 Improvements in or relating to objectives of variable focal length

Publications (1)

Publication Number Publication Date
FR2010288A1 true FR2010288A1 (OSRAM) 1970-02-13

Family

ID=10252248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918669A Withdrawn FR2010288A1 (OSRAM) 1968-06-06 1969-06-06

Country Status (5)

Country Link
US (1) US3682534A (OSRAM)
DE (1) DE1928692A1 (OSRAM)
FR (1) FR2010288A1 (OSRAM)
GB (1) GB1214341A (OSRAM)
SU (1) SU440006A3 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2106359A1 (OSRAM) * 1970-09-08 1972-05-05 Eastman Kodak Co

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594688B2 (ja) * 1976-03-11 1984-01-31 キヤノン株式会社 ズ−ムレンズ
JPS5567717A (en) * 1978-11-17 1980-05-22 Canon Inc Focusing method which prevents change in angle of view
DE2950951A1 (de) * 1978-12-25 1980-07-10 Canon Kk Photographisches objektiv mit stabilisierung gegen eine bildwinkelaenderung waehrend des fokussierens
JPS5915214A (ja) * 1982-07-17 1984-01-26 Canon Inc ズ−ムレンズのフオ−カシング方法
US4756609A (en) * 1987-07-13 1988-07-12 Eastman Kodak Company Four component compact zoom lens
US5264965A (en) * 1991-02-15 1993-11-23 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens
US5416639A (en) * 1991-06-29 1995-05-16 Olympus Optical Co., Ltd. Zoom lens system
JP4156777B2 (ja) 2000-05-23 2008-09-24 オリンパス株式会社 ズームレンズ
CN203930190U (zh) 2011-10-20 2014-11-05 富士胶片株式会社 投影用变焦镜头和投影型显示设备
DE102012214303B9 (de) 2012-08-10 2022-07-07 Carl Zeiss Ag Optisches System zur Abbildung eines Objekts sowie Aufnahmeeinheit mit einem optischen System
US9341827B2 (en) 2013-04-04 2016-05-17 Cooke Optics Limited Anamorphic objective lens

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481664A (en) * 1965-09-01 1969-12-02 Canon Kk Large aperture and wide angle zoom lens system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2106359A1 (OSRAM) * 1970-09-08 1972-05-05 Eastman Kodak Co

Also Published As

Publication number Publication date
US3682534A (en) 1972-08-08
DE1928692A1 (de) 1970-01-02
GB1214341A (en) 1970-12-02
SU440006A3 (ru) 1974-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse