GB190515732A - Improvements in Lenses. - Google Patents
Improvements in Lenses.Info
- Publication number
- GB190515732A GB190515732A GB190515732DA GB190515732A GB 190515732 A GB190515732 A GB 190515732A GB 190515732D A GB190515732D A GB 190515732DA GB 190515732 A GB190515732 A GB 190515732A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lenses
- components
- telescopes
- positive component
- component
- 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
Abstract
15,732. Rathenower Optische Industrie-Anstalt vorm. E. Busch. Akt.- Ges. April 13, [date applied for under Patents Act, 1901]. Lenses; telescopes.-Fig. 1 shows an objective of the tele-photo type for which the usual constructional data and optical constants are given at length in the Specification, in which (1) each of the two components is made up of at least two lenses; (2) components is, made up of at least,two lenses ; (2) the concave faces of the components are placed opposite to one another ; and (3) the focal length of the negative component is made equal to or less than that of the positive component. The positive component may be used by itself. The system described may be applied to telescopes, especially those of the prismatic type.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE190515732X | 1905-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190515732A true GB190515732A (en) | 1905-10-19 |
Family
ID=32186520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190515732D Expired GB190515732A (en) | 1905-04-13 | 1905-08-01 | Improvements in Lenses. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190515732A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2764064A (en) * | 1952-08-09 | 1956-09-25 | Zeiss Carl | Objective lens for field glass |
DE973753C (en) * | 1952-08-10 | 1960-05-25 | Zeiss Carl Fa | Prism binoculars with collecting eyepieces |
EP2312370B1 (en) * | 2006-12-05 | 2017-01-04 | Carl Zeiss Meditec AG | Camera adapter with camera holder and lens adapter |
-
1905
- 1905-08-01 GB GB190515732D patent/GB190515732A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2764064A (en) * | 1952-08-09 | 1956-09-25 | Zeiss Carl | Objective lens for field glass |
DE973753C (en) * | 1952-08-10 | 1960-05-25 | Zeiss Carl Fa | Prism binoculars with collecting eyepieces |
EP2312370B1 (en) * | 2006-12-05 | 2017-01-04 | Carl Zeiss Meditec AG | Camera adapter with camera holder and lens adapter |
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