DESC: 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.There is also Adapter for ARMS quick release mount. Optional Ring Adapters allows to mount unit onto the objective of the day scope The IR illuminator can be mounted onto the optional Picatinny Rail The PS-22 is a complex optical-electronic system. The device contains an image intensifier tube assembly.