| 摘要 |
An in-finder indicator for a single-lens reflex camera comprises an eyepiece lens, a reflecting mirror for reflecting a beam of light from a subject, a screen having a screen surface which is subjected to surface treatment to form prisms for presenting a superimposed indication and which forms an image of the subject based on the light beam reflected by the reflecting mirror, a dach mirror having a pair of mirror surfaces for reflecting the light beam from the screen, a reflecting surface for reflecting the light beam reflected by the dach mirror surfaces and introducing the light beam to the eyepiece lens, and an illumination member disposed in a laterally-offset space between the dach mirror surfaces and the screen and introducing an illumination beam to enter the screen surface laterally of the image formed on the screen surface.
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