The traits that earn Steiner binoculars such respect in combat - incredible toughness, exceptional clarity and reliable optical performance - are found in the civilian STEINER Military-MarineA(R) series. And, they feature Steiner&&';;s Sports-Auto-Focus(TM) system for crisp, sharp images near and far without constant adjustment. Just set the focus to your eyes once, and you&&';;ll have a constant, clear view of objects from 20 yards to infinity.Higher magnification and larger objectives are ideal for open terrain and hilly country, and for spotting game in low-light conditionsFeatures Floating Prism System Compact Design Sports-Auto Focus(TM) System MakrolonA(R) housing Included in the Box Steiner 10x50 MM1050 Marine Waterproof Binoculars Molded Rubber Casing Strap Lens Caps Steiner Heritag WarrantyCovers Binoculars, Riflescopes, Battle Sights, Rings, and Mounts.The Steiner Heritage(TM) Warranty means we stand behind our products. Over half a century of experience building rugged and reliable, mil-spec product and supplying them to armed forces all around the world allows us to have this kind of confidence. We at Steiner are totally committed to the very highest standards of quality, dependability, and most of all customer satisfaction. Our Heritage(TM) Warranty assures you of that commitment.