FR374439A - Objectif photographique double asymétrique - Google Patents
Objectif photographique double asymétriqueInfo
- Publication number
- FR374439A FR374439A FR374439DA FR374439A FR 374439 A FR374439 A FR 374439A FR 374439D A FR374439D A FR 374439DA FR 374439 A FR374439 A FR 374439A
- Authority
- FR
- France
- Prior art keywords
- photographic lens
- asymmetric double
- double photographic
- asymmetric
- 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 -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE374439X | 1906-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR374439A true FR374439A (fr) | 1907-06-12 |
Family
ID=1421080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR374439D Expired FR374439A (fr) | 1906-11-05 | 1907-01-12 | Objectif photographique double asymétrique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR374439A (fr) |
-
1907
- 1907-01-12 FR FR374439D patent/FR374439A/fr not_active Expired
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