CH290356A - Photographisches Teleobjektiv. - Google Patents
Photographisches Teleobjektiv.Info
- Publication number
- CH290356A CH290356A CH290356DA CH290356A CH 290356 A CH290356 A CH 290356A CH 290356D A CH290356D A CH 290356DA CH 290356 A CH290356 A CH 290356A
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH709659X | 1950-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH290356A true CH290356A (de) | 1953-04-30 |
Family
ID=4530667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH290356D CH290356A (de) | 1950-12-06 | 1950-12-06 | Photographisches Teleobjektiv. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH290356A (de) |
DE (1) | DE973019C (de) |
FR (1) | FR1045076A (de) |
GB (1) | GB709659A (de) |
NL (1) | NL86679C (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1013088B (de) * | 1953-12-23 | 1957-08-01 | Ludwig Bertele | Photographisches Tele-Objektiv |
DE1049120B (de) * | 1955-07-19 | 1959-01-22 | Enna Werk Optik Apelt | Fotografisches Tele-Objektiv |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1282312B (de) * | 1962-12-06 | 1968-11-07 | Zeiss Carl Fa | Photographisches Teleobjektiv |
-
0
- NL NL86679D patent/NL86679C/xx active
-
1950
- 1950-12-06 CH CH290356D patent/CH290356A/de unknown
- 1950-12-23 DE DEV2986A patent/DE973019C/de not_active Expired
-
1951
- 1951-11-13 FR FR1045076D patent/FR1045076A/fr not_active Expired
- 1951-12-03 GB GB28285/51A patent/GB709659A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1013088B (de) * | 1953-12-23 | 1957-08-01 | Ludwig Bertele | Photographisches Tele-Objektiv |
DE1049120B (de) * | 1955-07-19 | 1959-01-22 | Enna Werk Optik Apelt | Fotografisches Tele-Objektiv |
Also Published As
Publication number | Publication date |
---|---|
DE973019C (de) | 1959-11-19 |
NL86679C (de) | |
FR1045076A (fr) | 1953-11-24 |
GB709659A (en) | 1954-06-02 |
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