A 10 X 50 BINOCULAR PERISCOPE BY CARL ZEISS, German, circa 1965,
marked Carl Zeiss 1873 serial number 12-133-3624. The periscope, with olive painted alloy body and twin adjustable 1ins.(2.5cm) eyepieces fitted with rubber cowls, has an optional grey filter and drop-down scale grid to the left hand eye. The periscope objective, fitted with an optional sun shade, can be manually adjusted from +60/-20 degrees from the horizontal. Rotational adjustment by hand knob, with free-rotation lock. The upper body sits on a lower desk mount, with sight tube, spirit level and three adjustable feet. Can be mounted onto an oak and alloy tripod if required, the instrument: 31 1/2 in(80cm) high.