Description The Leupold BX-3 Alpine HD 10x42mm Binocular delivers bright, sharp viewing for hunters glassing from first light through dusk. Leupold&&';;s Elite Optical System and HD lenses improve light transmission, glare reduction, color, and edge-to-edge clarity, while the lightweight magnesium chassis and easy-grip armor provide durable, comfortable handling in the field. Guard-ion lens coating sheds water and dirt, interchangeable Form-Fit eyecups customize viewing comfort, and a built-in 1/4-20 tripod adapter makes extended glassing easier. Specs Weight 22.6 oz Field of View @ 1000 yards 342&'; Total Length 5.7" Eye Relief 16mm Magnification 10x Objective Lens Diameter 42mm Manufacturer Warranty Lifetime