FR922533A - Perfectionnements relatifs aux objectifs photographiques - Google Patents

Perfectionnements relatifs aux objectifs photographiques

Info

Publication number
FR922533A
FR922533A FR922533DA FR922533A FR 922533 A FR922533 A FR 922533A FR 922533D A FR922533D A FR 922533DA FR 922533 A FR922533 A FR 922533A
Authority
FR
France
Prior art keywords
improvements relating
photographic lenses
photographic
lenses
relating
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR922533A publication Critical patent/FR922533A/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)
FR922533D 1946-02-18 1946-02-18 Perfectionnements relatifs aux objectifs photographiques Expired FR922533A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922533T 1946-02-18

Publications (1)

Publication Number Publication Date
FR922533A true FR922533A (fr) 1947-06-11

Family

ID=9438062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922533D Expired FR922533A (fr) 1946-02-18 1946-02-18 Perfectionnements relatifs aux objectifs photographiques

Country Status (1)

Country Link
FR (1) FR922533A (fr)

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