FR838237A - Advanced photographic lenses - Google Patents

Advanced photographic lenses

Info

Publication number
FR838237A
FR838237A FR838237DA FR838237A FR 838237 A FR838237 A FR 838237A FR 838237D A FR838237D A FR 838237DA FR 838237 A FR838237 A FR 838237A
Authority
FR
France
Prior art keywords
photographic lenses
advanced photographic
advanced
lenses
photographic
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
French (fr)
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 FR838237A publication Critical patent/FR838237A/en
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 -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR838237D 1937-05-22 1938-05-21 Advanced photographic lenses Expired FR838237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US838237XA 1937-05-22 1937-05-22

Publications (1)

Publication Number Publication Date
FR838237A true FR838237A (en) 1939-03-01

Family

ID=22180931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838237D Expired FR838237A (en) 1937-05-22 1938-05-21 Advanced photographic lenses

Country Status (1)

Country Link
FR (1) FR838237A (en)

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