The Zulu9 combines superior optical performance with in-the-field utility. High quality glass, fully multi-coated Spectracoat lenses and phase-coated Abbe-Konig prism provides maximum brightness, contrast and crisp resolution. The Zulu9 performs in the harshest conditions, giving unmatched performance in inclement weather or rugged terrain. Zulu9 barrels are nitrogen-filled and will not fog in cold, wet weather. It features a durable rubber armor housing which protects and provides an ergonomic non-slip grip design, multi-position twist-up eyecups and is tripod-compatible. Includes eyepiece and objective lens covers, deluxe neck/shoulder strap, lens cloth and padded ballistic nylon case. Finish Graphite Rubber Armor Proofs Fog/Waterproof Weight 43.20 oz Objective 56mm Eye Relief 17.80mm Prism Type HDX Abbe-Koenig Short Focus 9.80 ft Field Of View 236 ft @ 1,000 yds Magnification 15x Optic Coating SpectraCoat Exit Pupil Diameter 3.80mm