Finder optical system
US4910545A · kind A · utility
9Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1988 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Sep 8, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B17/026
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A single reflex type electronic camera includes an imaging lens unit and five reflecting units beyond an image formed by an objective, and a finder optical system wherein an image can be observed with a high finder magnification and at a position easy to observe similar to that found in a single reflex camera using silver salt films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.