High-performance Galilean afocal telescope that easily mounts to the objective lens of many night vision devices. The lens can be threaded or snapped onto the objective lens. Incorporates very fast optics (F/1.5) with field of view 7.5°. Includes snap-on adapter, convenient flip-up objective lens cover, removable rear lens cap, and carrying case. Waterproof. Fits to ATN 6015, PVS14 monoculars and PVS-7 goggles.