An electronic camera having both bright viewfinder image and a minimal effect of dark current on the image output signal. A quick-return mirror, normally positioned in the path of the flux of light from the object image, guides the flux of light into the optical viewfinder system. The quick-return mirror...http://www.google.fr/patents/US4589023?utm_source=gb-gplus-shareBrevet US4589023 - Electronic camera
