RainGuard HD is a patented, permanent, hydrophobic, oleophobic lens coating that causes moisture from rain, snow, sleet and your breath to instantly bead-up into smaller droplets and scatter. These tiny droplets divert dramatically less light and keep your view bright and clear when

Bushnel uses the Rain Guard  HD for its optics like binoculars and rifle scoper
Click here to see range of bushnell binmoculars