FR696759A - Photographic lenses - Google Patents

Photographic lenses

Info

Publication number
FR696759A
FR696759A FR696759DA FR696759A FR 696759 A FR696759 A FR 696759A FR 696759D A FR696759D A FR 696759DA FR 696759 A FR696759 A FR 696759A
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
French (fr)
Inventor
Albert Ferdinand Shore
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 filed Critical
Application granted granted Critical
Publication of FR696759A publication Critical patent/FR696759A/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 -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
FR696759D 1930-06-06 1930-06-06 Photographic lenses Expired FR696759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR696759T 1930-06-06

Publications (1)

Publication Number Publication Date
FR696759A true FR696759A (en) 1931-01-07

Family

ID=9046779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696759D Expired FR696759A (en) 1930-06-06 1930-06-06 Photographic lenses

Country Status (1)

Country Link
FR (1) FR696759A (en)

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