See the world with breathtaking clarity. ZULU4 HD marine binoculars combine cutting-edge optical technology with rugged durability, making them the ultimate companion for any adventure. Crafted for those who demand optical excellence in the field, the SIG SAUER ZULU4 HD marine binoculars deliver elite performance from sunrise glassing to last-light observation. Featuring SIG SAUER’s premium high-definition glass for unmatched resolution and light transmission, the ZULU4 HD marine is packed with proprietary coatings, SpectraCoat, LensArmor, and LensShield, to reduce glare, resist wear, and stay protected in the harshest conditions. A rugged yet lightweight magnesium housing wrapped in armor makes the ZULU4 HD marine as tough as it is refined. With newly redesigned focus and diopter controls, this field-ready optic offers precision tuning right at your fingertips. HD Glass lenses pair high-definition and high-transmittance glass for ultra-high resolution and light transmission. Proprietary anti-reflective SpectraCoat, LensArmor, and LensShield technologies. 2-position adjustable eyecups. Newly redesigned focus wheel and diopter ring with a new precision contour overmold provide ultra-fine adjustment. Features a reinforced metal housing wrapped in rubber armor, offering durability with a sleek appearance. New molded EVA carrying case for streamlined protection. Capable of being mounted to a tripod adapter using a standard 1/4 inch-20 threaded insert. Includes SIG SAUER floating neck strap. IPX7 waterproof and fogproof rated.