B1 Night Vision observation sight, mainly used for night in 400m within the target identification and implementation of targeted shooting. B1 Night Vision uses the super second-generation image intensifier 1XZ18/18WHS (XX2040) type, and can be external 3.6 times times eyepiece for hand-held observation, it is convenient for the sniper to search the target and the battlefield situation auxiliary observation.
Resolution≤0.70 mrad(Mounts in front of a day sight，at 1×10-3Lx, contrast 35%～40% on the scotopic resolution board )
Stadia capabilityPerformance for human target Identification distance ≥150m; recognition distance ≥400m (As no rain and no fog, atmospheric visibility ≥15km, no moon sky, target background is not permeable conditions)
Zero position motion (including repeat setting error)≤1mil
Weight1.2 Kg （Net weight）;1.4 Kg （With Hand-held observation )