CH338312A - Photographisches Teleobjektiv - Google Patents
Photographisches TeleobjektivInfo
- Publication number
- CH338312A CH338312A CH338312DA CH338312A CH 338312 A CH338312 A CH 338312A CH 338312D A CH338312D A CH 338312DA CH 338312 A CH338312 A CH 338312A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephoto lens
- photographic
- photographic telephoto
- lens
- telephoto
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA22548A DE1030056B (de) | 1955-04-26 | 1955-04-26 | Photographisches Teleobjektiv |
| DEA21870A DE1017812B (de) | 1955-04-26 | 1955-04-26 | Photographisches Teleobjektiv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH338312A true CH338312A (de) | 1959-05-15 |
Family
ID=25963214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH338312D CH338312A (de) | 1955-04-26 | 1955-12-24 | Photographisches Teleobjektiv |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2824492A (de) |
| CH (1) | CH338312A (de) |
| DE (2) | DE1017812B (de) |
| FR (1) | FR1145287A (de) |
| GB (1) | GB821686A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56128911A (en) * | 1980-03-14 | 1981-10-08 | Canon Inc | Subminiature zoom lens |
| AU2003900534A0 (en) * | 2003-02-07 | 2003-02-20 | Shell Internationale Research Maatschappij B.V. | Process and apparatus for removal of a contaminant from a natural gas feed stream |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE318178C (de) * | ||||
| DE316246C (de) * | ||||
| DE398431C (de) * | 1922-08-13 | 1924-07-14 | Paul Rudolph Dr | Teleobjektiv |
| GB222709A (en) * | 1923-11-27 | 1924-10-09 | Horace William Lee | Improvements in telephoto objectives |
| DE861161C (de) * | 1940-12-05 | 1952-12-29 | Askania Werke Ag | Photographisches Teleobjektiv |
| US2321973A (en) * | 1941-08-28 | 1943-06-15 | Eastman Kodak Co | Telephoto objective |
| US2378170A (en) * | 1943-06-25 | 1945-06-12 | Eastman Kodak Co | Telephoto lens |
| US2433438A (en) * | 1945-06-18 | 1947-12-30 | Taylor Taylor & Hobson Ltd | Telephoto optical objective |
-
1955
- 1955-04-26 DE DEA21870A patent/DE1017812B/de active Pending
- 1955-04-26 DE DEA22548A patent/DE1030056B/de active Pending
- 1955-12-23 US US555157A patent/US2824492A/en not_active Expired - Lifetime
- 1955-12-24 CH CH338312D patent/CH338312A/de unknown
-
1956
- 1956-01-05 FR FR1145287D patent/FR1145287A/fr not_active Expired
- 1956-01-06 GB GB597/56A patent/GB821686A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1145287A (fr) | 1957-10-24 |
| DE1017812B (de) | 1957-10-17 |
| US2824492A (en) | 1958-02-25 |
| DE1030056B (de) | 1958-05-14 |
| GB821686A (en) | 1959-10-14 |
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