Endoscopes incorporating a beam splitter

摘要: This invention relates to endoscopes of the kind incorporating a beam splitter for direct observation and joint by means folded optical system substantially larger in diameter than endoscope or connection film television camera system. According invention, an opaque plate is mounted face relative axis first part said tubular member having small perforation arranged pass light, light spot which formed via lens achromatic with image object common plane field guided together eye piece latter.