GB152381A - - Google Patents
Info
- Publication number
- GB152381A GB152381A GB152381DA GB152381A GB 152381 A GB152381 A GB 152381A GB 152381D A GB152381D A GB 152381DA GB 152381 A GB152381 A GB 152381A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prism
- spherically
- convex lens
- plane
- convex
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
Landscapes
- Viewfinders (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB152381A true GB152381A (enrdf_load_stackoverflow) |
Family
ID=1731362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB152381D Active GB152381A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB152381A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2466455A (en) * | 1946-03-30 | 1949-04-05 | Eastman Kodak Co | Reflecting means for folding the light path in optical systems |
| US3257902A (en) * | 1959-07-16 | 1966-06-28 | Watson W & Sons Ltd | Optical system having cylindrical rod-like lenses |
| US3807842A (en) * | 1972-01-03 | 1974-04-30 | Polaroid Corp | Prismatic element |
-
0
- GB GB152381D patent/GB152381A/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2466455A (en) * | 1946-03-30 | 1949-04-05 | Eastman Kodak Co | Reflecting means for folding the light path in optical systems |
| US3257902A (en) * | 1959-07-16 | 1966-06-28 | Watson W & Sons Ltd | Optical system having cylindrical rod-like lenses |
| US3807842A (en) * | 1972-01-03 | 1974-04-30 | Polaroid Corp | Prismatic element |
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