econd generation microlight gun aiming mirror

Tactical performance (visual range) : in the environment of illuminance is about 10-3 lux no month star night, medium contrast, can identify standing within 280 m of personnel, and to 500 m distance of the terrain, landform and effective observation of military targets.
Field magnification :3 times;
Field :9 degrees;
Eye distance: no less than 20MM;
Focus range :10m to infinity;
Range of visual adjustment;