System Description: The PS-22 is attachment for daytime riflescopes with 1x-6x (2.5x-4x are optimal) magnification that converting scope into a high quality, very accurate Night Vision weapon sight. The PS-22 mounts in front of daytime scope. Re-zeroing of scope not required. PS-22 comes standard with 7/8” weaver mount. There is also Adapter for ARMS quick release mount. Optional Ring Adapters allows to mount unit onto the objective of the day scope (25...58mm diameter). The IR illuminator can be mounted onto the optional Picatinny Rail. The PS-22-2 utilizes a 2nd Gen.+ Image Intensifier Tube. This ingenious setup allows the shooter to go from day to night in less then 30 seconds without tools, without changes in eye relief and remain zeroed all around the clock. The PS-22 is a complex optical-electronic system. The device contains an image intensifier tube assembly with an integrated high voltage power source and the three volt battery housing. PS22 system is one of the most compact and light weight units in its class, only 640 grams. It also can be used as a hand held night vision monocular.