BUSHNELL® LEGEND® ULTRA HD MONOCULAR w/BUILT-IN TACTICAL MIL-HASH RETICLE - 10x42MM•Ultra-streamlined, pocket-sized monocular version of the Legend® Ultra HD binoculars   •Features BaK-4 prisms w/PC-3® phase coating, ED Prime extra-low dispersion glass, fully-multi-coated lenses, built-in Picatinny rail mount & twist-up eyecup   •Waterproof construction & RainGuard® HD keeps things clear   •Fogproof   •15.2mm eye relief   •FOV: 340 ft.@1000 yds.   •Length: 5.4”   •Wt.: 13.2 oz.   •NOTE: (optional) built-in Mil-Hash reticle aids in distance estimation, compensating for bullet trajectory & speeds up the zeroing process