FR965997A - Photographic lens - Google Patents
Photographic lensInfo
- Publication number
- FR965997A FR965997A FR965997DA FR965997A FR 965997 A FR965997 A FR 965997A FR 965997D A FR965997D A FR 965997DA FR 965997 A FR965997 A FR 965997A
- 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 |
---|---|---|---|
US965997XA | 1941-10-08 | 1941-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR965997A true FR965997A (en) | 1950-09-27 |
Family
ID=22258128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR965997D Expired FR965997A (en) | 1941-10-08 | 1947-08-01 | Photographic lens |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR965997A (en) |
-
1947
- 1947-08-01 FR FR965997D patent/FR965997A/en not_active Expired
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