GB225398A - Improvements in photographic lenses - Google Patents
Improvements in photographic lensesInfo
- Publication number
- GB225398A GB225398A GB3193123A GB3193123A GB225398A GB 225398 A GB225398 A GB 225398A GB 3193123 A GB3193123 A GB 3193123A GB 3193123 A GB3193123 A GB 3193123A GB 225398 A GB225398 A GB 225398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lenses
- photographic
- lens
- plate
- produced
- 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
225,398. Hill, R., and Beck, Ltd., R. & J. Dec. 20, 1923. Lenses.-Photographic lenses for taking views subtending large angles, i.e. exceeding 125‹, consist of divergent meniscus lens a having a convex surface towards the object and a deeply concave back surface. This lens is combined with a positive lens system c, d for the production of an image on the photographic plate e. The majority of the total reduction in the angle of view produced by the entire system takes place before the light reaches the diaphragm b between the lenses. The distorted image produced on the plate e by the system is approximately equivalent to stereographic or equidistant projection. Numerical data are given in the Specification.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3193123A GB225398A (en) | 1923-12-20 | 1923-12-20 | Improvements in photographic lenses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3193123A GB225398A (en) | 1923-12-20 | 1923-12-20 | Improvements in photographic lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
GB225398A true GB225398A (en) | 1924-12-04 |
Family
ID=10330514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3193123A Expired GB225398A (en) | 1923-12-20 | 1923-12-20 | Improvements in photographic lenses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB225398A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516724A (en) * | 1946-08-23 | 1950-07-25 | Rossinov Michael Michaelovitch | Wide angle orthoscopic anastigmatic photographic objective |
US2649022A (en) * | 1950-02-17 | 1953-08-18 | Angenieux Pierre | Wide-angle photographic objective lens assembly |
US2721499A (en) * | 1951-07-12 | 1955-10-25 | Bertele Ludwig | Five component wide-angle objective |
US2791153A (en) * | 1952-09-25 | 1957-05-07 | Felix L Bednarz | Wide angle lens system |
US2947219A (en) * | 1957-08-07 | 1960-08-02 | Tno | Wide-angle objective lens |
US3068752A (en) * | 1956-12-24 | 1962-12-18 | Commw Of Australia | Wide angle lens systems |
DE1248324B (en) * | 1960-03-22 | 1967-08-24 | Yoshiyuki Ino | Optical panorama system |
EP3683743A1 (en) | 2019-01-17 | 2020-07-22 | Basf Se | Computer-implemented method, system and computer program for providing audit records that relate to technical equipment |
-
1923
- 1923-12-20 GB GB3193123A patent/GB225398A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516724A (en) * | 1946-08-23 | 1950-07-25 | Rossinov Michael Michaelovitch | Wide angle orthoscopic anastigmatic photographic objective |
US2649022A (en) * | 1950-02-17 | 1953-08-18 | Angenieux Pierre | Wide-angle photographic objective lens assembly |
US2721499A (en) * | 1951-07-12 | 1955-10-25 | Bertele Ludwig | Five component wide-angle objective |
US2791153A (en) * | 1952-09-25 | 1957-05-07 | Felix L Bednarz | Wide angle lens system |
US3068752A (en) * | 1956-12-24 | 1962-12-18 | Commw Of Australia | Wide angle lens systems |
US2947219A (en) * | 1957-08-07 | 1960-08-02 | Tno | Wide-angle objective lens |
DE1248324B (en) * | 1960-03-22 | 1967-08-24 | Yoshiyuki Ino | Optical panorama system |
EP3683743A1 (en) | 2019-01-17 | 2020-07-22 | Basf Se | Computer-implemented method, system and computer program for providing audit records that relate to technical equipment |
WO2020148158A1 (en) | 2019-01-17 | 2020-07-23 | Basf Se | Computer-implemented method, system and computer program for providing audit records that relate to technical equipment |
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