FR2668837B1 - Dispositif d'objectif anamorphoseur a longueur focale variable. - Google Patents

Dispositif d'objectif anamorphoseur a longueur focale variable.

Info

Publication number
FR2668837B1
FR2668837B1 FR9013653A FR9013653A FR2668837B1 FR 2668837 B1 FR2668837 B1 FR 2668837B1 FR 9013653 A FR9013653 A FR 9013653A FR 9013653 A FR9013653 A FR 9013653A FR 2668837 B1 FR2668837 B1 FR 2668837B1
Authority
FR
France
Prior art keywords
anamorphosis
focal length
variable focal
objective device
objective
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
FR9013653A
Other languages
English (en)
Other versions
FR2668837A1 (fr
Inventor
Debize Jacques
Corbasson Gerard
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.)
Pierre Angenieux SA
Original Assignee
Pierre Angenieux SA
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 Pierre Angenieux SA filed Critical Pierre Angenieux SA
Priority to FR9013653A priority Critical patent/FR2668837B1/fr
Publication of FR2668837A1 publication Critical patent/FR2668837A1/fr
Application granted granted Critical
Publication of FR2668837B1 publication Critical patent/FR2668837B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives
    • G02B13/12—Anamorphotic objectives with variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
FR9013653A 1990-11-05 1990-11-05 Dispositif d'objectif anamorphoseur a longueur focale variable. Expired - Fee Related FR2668837B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9013653A FR2668837B1 (fr) 1990-11-05 1990-11-05 Dispositif d'objectif anamorphoseur a longueur focale variable.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9013653A FR2668837B1 (fr) 1990-11-05 1990-11-05 Dispositif d'objectif anamorphoseur a longueur focale variable.

Publications (2)

Publication Number Publication Date
FR2668837A1 FR2668837A1 (fr) 1992-05-07
FR2668837B1 true FR2668837B1 (fr) 1993-02-12

Family

ID=9401835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9013653A Expired - Fee Related FR2668837B1 (fr) 1990-11-05 1990-11-05 Dispositif d'objectif anamorphoseur a longueur focale variable.

Country Status (1)

Country Link
FR (1) FR2668837B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028802B (de) * 1956-03-01 1958-04-24 Isco Optische Werke G M B H Einrichtung zur Aufnahme und/oder Wiedergabe anamorphotischer Bilder
JPS4974954A (fr) * 1972-11-17 1974-07-19
JPS55117118A (en) * 1979-03-02 1980-09-09 Olympus Optical Co Ltd Wide-angle zoom lens

Also Published As

Publication number Publication date
FR2668837A1 (fr) 1992-05-07

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Legal Events

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