FR532412A - Photographic lens - Google Patents

Photographic lens

Info

Publication number
FR532412A
FR532412A FR532412DA FR532412A FR 532412 A FR532412 A FR 532412A FR 532412D A FR532412D A FR 532412DA FR 532412 A FR532412 A FR 532412A
Authority
FR
France
Prior art keywords
photographic lens
photographic
lens
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.)
Optis SA
Original Assignee
Optis 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 Optis SA filed Critical Optis SA
Application granted granted Critical
Publication of FR532412A publication Critical patent/FR532412A/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 -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
FR532412D 1920-09-10 1920-09-10 Photographic lens Expired FR532412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR532412T 1920-09-10

Publications (1)

Publication Number Publication Date
FR532412A true FR532412A (en) 1922-02-03

Family

ID=8924528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532412D Expired FR532412A (en) 1920-09-10 1920-09-10 Photographic lens

Country Status (1)

Country Link
FR (1) FR532412A (en)

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