The tried and true Steiner 8x30 Military/Marine Binocular is one of their all time classics, a favorite compact optic of both enthusiasts and government organizations worldwide. Its performance in any light is great, and given its small size and relatively low weight it is practical to carry almost anywhere.The 8x30 "M/M" has fully multicoated optics along with Steiner's revolutionary "Sports Auto Focus" system that gives expansive depth of field from 60' (18.3 m) to infinity once set to the user's individual eyesight. Eye relief is a lengthy 20mm for comfortable extended observations, even when wearing eyeglasses. It has dual-density rubber armor for both great protection and tactile feel, along with soft silicone peel-down type eyecups.