FR845037A - Improvements to auxiliary optical systems for photographic lenses - Google Patents

Improvements to auxiliary optical systems for photographic lenses

Info

Publication number
FR845037A
FR845037A FR845037DA FR845037A FR 845037 A FR845037 A FR 845037A FR 845037D A FR845037D A FR 845037DA FR 845037 A FR845037 A FR 845037A
Authority
FR
France
Prior art keywords
optical systems
auxiliary optical
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
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 FR845037A publication Critical patent/FR845037A/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR845037D 1937-10-23 1938-10-22 Improvements to auxiliary optical systems for photographic lenses Expired FR845037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US845037XA 1937-10-23 1937-10-23

Publications (1)

Publication Number Publication Date
FR845037A true FR845037A (en) 1939-08-09

Family

ID=22185363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845037D Expired FR845037A (en) 1937-10-23 1938-10-22 Improvements to auxiliary optical systems for photographic lenses

Country Status (1)

Country Link
FR (1) FR845037A (en)

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