Abstract: A lightweight stereoscope suitable for wearing on the user's head and including a housing having sight openings in its front and rear walls. Stationary and movable reflectors within the housing permit the user to view spaced apart near or distant images throughout a wide range of divergent or convergent paths. Mirror control means enables synchronized setting of the movable reflectors in a precise manner. Housing structure additionally controls the field of vision by internal partitions and positionable flap members.