Nikon 20x120 IV Binocular Telescope w/Fork MountThe Nikon 20x120 IV Binocular Telescope w Fork Mount are intended to be mounted using an optional pillar stand on a ship's deck, an observation platform, or bolted to a railing. The fork mount allows for 360 horizontal scanning and 30 to +70 vertical aiming. The 120mm objective lenses deliver amazingly bright images, excellent for low light or astronomical viewing. The binocular view provides 3 D vision and reduces eye fatigue compared to a spotting