The Flir Systems AN/PVS-22 T105 Universal Night Sight 000411 is a compact, high-resolution, clip-on Night Vision Sight for use with existing day optics. The AN/PVS-22 T105 Universal Night Sight by US NightVision mounts on any MIL-STD-1913 rail interface forward of an existing scope. The Universal Night Sight utilizes a full MIL-SPEC Gen 3 (Autogated Pinnacle) image intensifier tube, a fast f/1.15 catadioptric lens for a brighter and sharper image in starlight, and patented permanent boresight alignment technology. The USNV AN PVS 22 Universal Night Sight is installed, operated, and removed without tools and without affecting boresight (permanent boresight alignment). The AV/PVS22 UNS Night Sight can be mounted on a Spotting Scope for long range reconnaissance, used as a hand-held Night Observation Device (NOD), or used in other night-time operations requiring Night Vision capabilities. The USNV Universal Night Sight is optimized for medium-range sniper weapons, assault rifles and machine guns, including the MK11, M16, SCAr-H, M240 & 300 Win Mag., and is effective on all weapons from carbines to .50 caliber semi-automatic sniper rifles. These features of the US Night Vision AN/PVS-22 (UNS) Universal Night Sight 000411 make it the ultimate Night Vision device that will add night vision capabilities to daytime target acquisition platforms.