FR837616A - Objectif à grande luminosité - Google Patents
Objectif à grande luminositéInfo
- Publication number
- FR837616A FR837616A FR837616DA FR837616A FR 837616 A FR837616 A FR 837616A FR 837616D A FR837616D A FR 837616DA FR 837616 A FR837616 A FR 837616A
- Authority
- FR
- France
- Prior art keywords
- high brightness
- brightness lens
- lens
- brightness
- 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 |
---|---|---|---|
DE837616X | 1937-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR837616A true FR837616A (fr) | 1939-02-15 |
Family
ID=6761469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR837616D Expired FR837616A (fr) | 1937-07-13 | 1938-05-06 | Objectif à grande luminosité |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR837616A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2600610A (en) * | 1949-05-11 | 1952-06-17 | Ludwig J Bertele | High-aperture and high-transmission three component objective |
DE875418C (de) * | 1950-03-08 | 1953-05-04 | Cycloptic | Optisches, sphaerisch, chromatisch, komatisch, astigmatisch und auf Verzeichnung korrigiertes Projektionssystem |
-
1938
- 1938-05-06 FR FR837616D patent/FR837616A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2600610A (en) * | 1949-05-11 | 1952-06-17 | Ludwig J Bertele | High-aperture and high-transmission three component objective |
DE875418C (de) * | 1950-03-08 | 1953-05-04 | Cycloptic | Optisches, sphaerisch, chromatisch, komatisch, astigmatisch und auf Verzeichnung korrigiertes Projektionssystem |
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