Leupold BX-1 Rogue Compact Binoculars - BX®-1 Rogue® Compacts are at home in the field, at the game, and everywhere people want to get close to the action. The Porro prism design delivers clarity and brightness that never disappoints. Comes with Pro Gear Accessories - Go Afield Shoulder Strap, binocular case, lens covers, and a lens cloth 100% waterproof, fogproof Easy-grip rubber armor coating that provides a positive grasp in all conditions BAK 4 prisms for crisp clear images Twist up eyecups Inverted Porro prism design makes the BX-1 Rogue Compact Series incredibly small and lightweight, without sacrificing any optical performance Proprietary nitrogen sealing process, which has become the industry standard. Rugged and absolutely waterproof Diopter focus paddle allows you to precisely focus your binoculars, compensating for differences between your eyes 8x25mm Weight: 12.70oz (360g) Linear FOV - High: 337ft Length: 4.30in (109mm) Twilight factor high: 14.10 Angular FOV (degrees) - Low: 6.40 Eye Relief - Low: 15mm Exit Pupil - Low: 3.10mm Interpupillary Distance - Low: 57mm Interpupillary Distance - High: 71mm Close Focus Distance: 14.10ft (4.30m)