A color-separating prism arrangement for a small portable video camera having solid-state detectors about 0.35 inch in height includes three prisms with the first and second prisms being separated by an air gap, and color separation occurring at respective spectrally selective dichroic plates between...http://www.google.de/patents/US4268119?utm_source=gb-gplus-sharePatent US4268119 - Color-separating optical system
