Experience unparalleled clarity and precision with the Burris Signature HD 15×56 Binoculars. Trusted by hunters around the world the Signature HD Series Binoculars set the standard for optical excellence delivering exceptional clarity unparalleled durability and unmatched light transmission. – In vast landscapes is where these binoculars truly excel allowing you to get closer and see more detail from afar. Whether you’re on foot on horseback or cruising in your truck there’s never a time when you won’t want these with you. – 15X Magnification- Bring distant objects closer than ever. – Exceptional Clarity- Bak-4 glass with Phase Correct dielectric coating for precise resolution and true-to-life colors. – Low Light Visibility- Maximum light transmission for low-light conditions. – Rugged Construction- Built to withstand the toughest environments with a shockproof body and durable rubber armor. – Weatherproof- Nitrogen-filled for reliability in all conditions. – Tripod Adapter Mount- Achieve steady observations of fine details. – Comfortable Design- No-slip texturing a cushy neoprene neck strap and metal eyecups for eye relief adjustment. – Magnification 15x – Focus System Fast Focus – Optics System HD Roof Prism – Close Focus 23 ft. – Exit Pupil (low-high) 3.7 mm – Eye Relief 0.7 in – IP Distance Range 60 mm-75 mm – Eyecups Adjustable Aluminum – Nitrogen Filled Yes – Waterproof Depth 1 meter – Weight 40 oz. – Dimensions 8.2 in x 5.7 in x 2.5 in – Neck Strap Yes – Carry Case Yes – Diopter Adjustment -5 to +5