FR1219578A - Objectif à focale variable - Google Patents

Objectif à focale variable

Info

Publication number
FR1219578A
FR1219578A FR790830A FR790830A FR1219578A FR 1219578 A FR1219578 A FR 1219578A FR 790830 A FR790830 A FR 790830A FR 790830 A FR790830 A FR 790830A FR 1219578 A FR1219578 A FR 1219578A
Authority
FR
France
Prior art keywords
vari
focal lens
focal
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
Application number
FR790830A
Other languages
English (en)
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.)
Paillard SA
Original Assignee
Paillard 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 Paillard SA filed Critical Paillard SA
Application granted granted Critical
Publication of FR1219578A publication Critical patent/FR1219578A/fr
Expired 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
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR790830A 1958-11-13 1959-03-31 Objectif à focale variable Expired FR1219578A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1219578X 1958-11-13

Publications (1)

Publication Number Publication Date
FR1219578A true FR1219578A (fr) 1960-05-18

Family

ID=4563637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790830A Expired FR1219578A (fr) 1958-11-13 1959-03-31 Objectif à focale variable

Country Status (1)

Country Link
FR (1) FR1219578A (fr)

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