FR1057720A - Objectif photographique - Google Patents
Objectif photographiqueInfo
- Publication number
- FR1057720A FR1057720A FR1057720DA FR1057720A FR 1057720 A FR1057720 A FR 1057720A FR 1057720D A FR1057720D A FR 1057720DA FR 1057720 A FR1057720 A FR 1057720A
- 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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE299767X | 1951-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1057720A true FR1057720A (fr) | 1954-03-10 |
Family
ID=6091357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1057720D Expired FR1057720A (fr) | 1951-06-12 | 1952-06-05 | Objectif photographique |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2732762A (fr) |
| CH (1) | CH299767A (fr) |
| FR (1) | FR1057720A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838978A (en) * | 1955-11-12 | 1958-06-17 | Canon Camera Co | Four lens photographic objective |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769241A (en) * | 1954-03-13 | 1957-03-06 | Margarete Camilla Schneider | Improvements in and relating to asymmetrical photographic objectives |
| DE1447277A1 (de) * | 1964-03-23 | 1968-12-19 | Voigtlaender Ag | Vierlinsiges Objektiv vom erweiterten Triplet-Typ mit einer sammelnden Kittflaeche im Hinterglied |
| US3466114A (en) * | 1967-05-01 | 1969-09-09 | Eastman Kodak Co | Four element triplet photographic objective |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE142294C (de) * | 1902-07-15 | 1903-07-04 | Zeiss Carl | Sphärisch, chromatisch und astigmatisch korrigiertes Objectiv aus vier, durch die Blende in zwei Gruppen geteilten Linsen |
| US1741947A (en) * | 1926-06-26 | 1929-12-31 | Zeiss Carl Fa | Photographic lens, corrected spherically, chromatically, astigmatically, and for coma |
| US1849681A (en) * | 1930-07-17 | 1932-03-15 | Zeiss Carl Fa | Photographic three-lens objective |
| US2158178A (en) * | 1937-05-22 | 1939-05-16 | Eastman Kodak Co | Lens system |
| US2165328A (en) * | 1938-04-16 | 1939-07-11 | Eastman Kodak Co | Lens |
| US2308007A (en) * | 1941-10-29 | 1943-01-12 | Eastman Kodak Co | Lens |
| GB577763A (en) * | 1944-06-08 | 1946-05-30 | Wray Optical Works Ltd | Improvements relating to optical lenses |
| GB583984A (en) * | 1944-09-08 | 1947-01-03 | Scophony Ltd | Photographic lens |
| US2573512A (en) * | 1949-04-30 | 1951-10-30 | Voigtlander & Sohn Ag | Four-lens triplet type photographic objective |
-
0
- US US2732762D patent/US2732762A/en not_active Expired - Lifetime
-
1952
- 1952-06-05 FR FR1057720D patent/FR1057720A/fr not_active Expired
- 1952-06-09 CH CH299767D patent/CH299767A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838978A (en) * | 1955-11-12 | 1958-06-17 | Canon Camera Co | Four lens photographic objective |
Also Published As
| Publication number | Publication date |
|---|---|
| CH299767A (de) | 1954-06-30 |
| US2732762A (en) | 1956-01-31 |
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