Nikon 25x120 Binocular Telescope w/Fork MountThe Nikon 25x120 Binocular Telescope w Fork Mount is a powerful binocular designed for astronomy, scenery, and military observation. Because the Binocular Telescope is constructed of metal alloy, O ring sealed and nitrogen purged, it is 100% weatherproof and can be mounted on a pillar on a ship's deck or bolted to a railing on an observation platform. The Nikon 25x120 Binocular Telescope's proprietary optics have enormous 120mm objective lenses that