| 摘要 |
PROBLEM TO BE SOLVED: To provide in-screen information display in a finder with high visibility.SOLUTION: A finder optical system includes: an eyepiece optical system for observing a finder image formed on a focusing screen via a penta roof prism by a photographic lens; and an in-screen display optical system having optical path overlapping means in an optical path from the focusing plate to the eyepiece optical system for overlapping display on the finder image via the optical path overlapping means. The optical path overlapping means is a reflectivity variable mirror in which transmitted light quantity and reflected light quantity are changeable.SELECTED DRAWING: Figure 2 |
