FR940404A - Perfectionnements aux objectifs photographiques - Google Patents

Perfectionnements aux objectifs photographiques

Info

Publication number
FR940404A
FR940404A FR940404DA FR940404A FR 940404 A FR940404 A FR 940404A FR 940404D A FR940404D A FR 940404DA FR 940404 A FR940404 A FR 940404A
Authority
FR
France
Prior art keywords
photographic lenses
photographic
lenses
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
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR940404A publication Critical patent/FR940404A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR940404D 1946-02-09 1947-02-07 Perfectionnements aux objectifs photographiques Expired FR940404A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US940404XA 1946-02-09 1946-02-09

Publications (1)

Publication Number Publication Date
FR940404A true FR940404A (fr) 1948-12-13

Family

ID=22242451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940404D Expired FR940404A (fr) 1946-02-09 1947-02-07 Perfectionnements aux objectifs photographiques

Country Status (1)

Country Link
FR (1) FR940404A (fr)

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