Soviet Cyclops 1 night vision device. Tested and fully functional. Includes Helios lense, AP-1Y IR illuminator, rubber screw on button cover, missing lense cap. Device requires 1 9v and 3 AA batteries (not included). Do not directly expose to intense light sources.
To use, unscrew button cover and press on button. Use front lense adjustment ring and rear eye cup adjustment ring to correct focus at distance while stationary. Device will begin dimming after 60 seconds, this is normal. Press and or hold on button to increase image brightness.
