It's because we sweat the details that you'll be able to see more details with the BX-1 McKenzie?. The BAK4 roof prism design gives you better resolution than others in its class, in a compact design that feels good in your hands. COMES WITH PRO GEAR ACCESSORIES GO AFIELD SHOULDER STRAP, GO AFIELD BINOCULAR CASE, LENS COVERS, AND A LENS CLOTH. FEATURES: Proprietary Nitrogen Fill Process; Smooth Focusing; Armor coated and rugged.; Ergonomic Design; Phase Coated; Diopter Focus; Fully Multi coated Lens System; Tripod Ready; 100% Waterproof and Fogproof; BAK 4 Prisms; Central Focus Dial; Twist-up Eyecups and Long Eye Relief.