OPTICAL SYSTEM FOR OBSERVING OFF-CABIN SPACE WHICH MAY NOT BE VIEWED FROM PILOT'S SEAT Russian patent published in 1995 - IPC

FIELD: aviation equipment. SUBSTANCE: system has two optical channels, each channel is made in form of two objectives 2 matched optically; eye-piece 4 mounted onto the helmet of the operator. Fiber-optic bundle 6 is disposed between the objectives. Beam splitter 5 is disposed in front of eye-piece 4. The eye-pieces are mounted for adjustment for individual vision. Objectives are placed with horizontal parallax which corresponds to radius of stereoscopic vision. EFFECT: improved efficiency. 1 dwg