FR837276A - Large relative aperture lens - Google Patents

Large relative aperture lens

Info

Publication number: FR837276A
Authority: FR; France
Prior art keywords: large relative; relative aperture; aperture lens; lens; relative
Prior art date: 1938-04-29
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

Inventor

Andre Levy

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.)

1938-04-29

Filing date

1938-04-29

Publication date

1939-02-07

1938-04-29 Application filed filed Critical

1939-02-07 Application granted granted Critical

1939-02-07 Publication of FR837276A publication Critical patent/FR837276A/en

Status Expired legal-status Critical Current

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)

FR837276D 1938-04-29 1938-04-29 Large relative aperture lens Expired FR837276A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR837276T		1938-04-29

Publications (1)

Publication Number	Publication Date
FR837276A true FR837276A (en)	1939-02-07

Family

ID=9298500

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR837276D Expired FR837276A (en)	1938-04-29	1938-04-29	Large relative aperture lens

Country Status (1)

Country	Link
FR (1)	FR837276A (en)

1938
- 1938-04-29 FR FR837276D patent/FR837276A/en not_active Expired

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