FR822694A - Objectif photographique - Google Patents
Objectif photographiqueInfo
- Publication number
- FR822694A FR822694A FR822694DA FR822694A FR 822694 A FR822694 A FR 822694A FR 822694D A FR822694D A FR 822694DA FR 822694 A FR822694 A FR 822694A
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE822694X | 1936-08-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR822694A true FR822694A (fr) | 1938-01-05 |
Family
ID=6744006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR822694D Expired FR822694A (fr) | 1936-08-15 | 1937-06-04 | Objectif photographique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR822694A (fr) |
-
1937
- 1937-06-04 FR FR822694D patent/FR822694A/fr not_active Expired
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