FR2478332A1 - Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films - Google Patents

Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films Download PDF

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Publication number
FR2478332A1
FR2478332A1 FR8005519A FR8005519A FR2478332A1 FR 2478332 A1 FR2478332 A1 FR 2478332A1 FR 8005519 A FR8005519 A FR 8005519A FR 8005519 A FR8005519 A FR 8005519A FR 2478332 A1 FR2478332 A1 FR 2478332A1
Authority
FR
France
Prior art keywords
lenses
objective
axis
group
optical system
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.)
Granted
Application number
FR8005519A
Other languages
English (en)
French (fr)
Other versions
FR2478332B1 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8005519A priority Critical patent/FR2478332A1/fr
Priority to US06/172,639 priority patent/US4336996A/en
Priority to DE8181400202T priority patent/DE3166390D1/de
Priority to EP81400202A priority patent/EP0036341B1/fr
Priority to JP2214781A priority patent/JPS56133712A/ja
Publication of FR2478332A1 publication Critical patent/FR2478332A1/fr
Application granted granted Critical
Publication of FR2478332B1 publication Critical patent/FR2478332B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Projection-Type Copiers In General (AREA)
FR8005519A 1980-03-12 1980-03-12 Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films Granted FR2478332A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8005519A FR2478332A1 (fr) 1980-03-12 1980-03-12 Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films
US06/172,639 US4336996A (en) 1980-03-12 1980-07-25 Variable-focal-length objective and an optical system equipped with objectives of this type for the production of special effects on film
DE8181400202T DE3166390D1 (en) 1980-03-12 1981-02-10 Optical system for the realization of special effects on films
EP81400202A EP0036341B1 (fr) 1980-03-12 1981-02-10 Système optique pour la réalisation d'effets spéciaux sur un film vierge
JP2214781A JPS56133712A (en) 1980-03-12 1981-02-17 Variable focal length objective lens for creating special effect on film and optical system having same lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8005519A FR2478332A1 (fr) 1980-03-12 1980-03-12 Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films

Publications (2)

Publication Number Publication Date
FR2478332A1 true FR2478332A1 (fr) 1981-09-18
FR2478332B1 FR2478332B1 (enExample) 1984-10-05

Family

ID=9239585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005519A Granted FR2478332A1 (fr) 1980-03-12 1980-03-12 Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films

Country Status (5)

Country Link
US (1) US4336996A (enExample)
EP (1) EP0036341B1 (enExample)
JP (1) JPS56133712A (enExample)
DE (1) DE3166390D1 (enExample)
FR (1) FR2478332A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412691A1 (de) * 1984-04-04 1985-10-17 Agfa-Gevaert Ag, 5090 Leverkusen Fotografisches rollenkopiergeraet
DK75688A (da) * 1988-02-15 1989-08-16 Oce Helioprint As Reprografisk linsesystem og kamera omfattende dette
US5079752A (en) * 1990-03-26 1992-01-07 E.L.F. Limited Partnership Platform mounted ultrasonic sweep detection system
US5218403A (en) * 1992-04-11 1993-06-08 Smith William H Photo video copier apparatus
US6170994B1 (en) * 1999-06-29 2001-01-09 American Roller Bearing Company Lead-in bevel configuration on inner or outer race of cylindrical roller bearing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR860192A (fr) * 1939-06-16 1941-01-08 Levallois Optique Et Prec Perfectionnements aux collimateurs
US2843016A (en) * 1957-03-04 1958-07-15 Eastman Kodak Co Optical zoom system
FR1180278A (fr) * 1957-07-29 1959-06-03 Objectif pour appareil photographique ou cinématographique à distance focale multiple
FR1597608A (enExample) * 1967-11-16 1970-06-29
US3867022A (en) * 1970-11-23 1975-02-18 Communication Corp Inc Cineconversion machine
US4025167A (en) * 1974-02-04 1977-05-24 Olympus Optical Co., Ltd. Telephoto-type zoom lens system
US4150883A (en) * 1972-10-13 1979-04-24 Comcorps Communication Corps Inc. Cineconversion machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299903B (de) * 1963-08-27 1969-07-24 Nippon Kogaku Kk Pankratisches Objektiv
US3524696A (en) * 1967-06-21 1970-08-18 Nippon Kogaku Kk Wide angle type zooming lens
JPS588482B2 (ja) * 1975-02-26 1983-02-16 キヤノン株式会社 コンパクトナズ−ムレンズ
JPS5833532B2 (ja) * 1975-02-26 1983-07-20 キヤノン株式会社 ダイコウケイズ−ムレンズ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR860192A (fr) * 1939-06-16 1941-01-08 Levallois Optique Et Prec Perfectionnements aux collimateurs
US2843016A (en) * 1957-03-04 1958-07-15 Eastman Kodak Co Optical zoom system
FR1180278A (fr) * 1957-07-29 1959-06-03 Objectif pour appareil photographique ou cinématographique à distance focale multiple
FR1597608A (enExample) * 1967-11-16 1970-06-29
US3867022A (en) * 1970-11-23 1975-02-18 Communication Corp Inc Cineconversion machine
US4150883A (en) * 1972-10-13 1979-04-24 Comcorps Communication Corps Inc. Cineconversion machine
US4025167A (en) * 1974-02-04 1977-05-24 Olympus Optical Co., Ltd. Telephoto-type zoom lens system

Also Published As

Publication number Publication date
US4336996A (en) 1982-06-29
EP0036341B1 (fr) 1984-10-03
DE3166390D1 (en) 1984-11-08
EP0036341A1 (fr) 1981-09-23
JPS56133712A (en) 1981-10-20
FR2478332B1 (enExample) 1984-10-05

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse