Get powerful magnification in a lightweight, high-performance package. The 12x50mm BX-4 Pro Guide HD bingos make sure you can spot a trophy at almost any distance. Built around our Twilight Max HD Light Management System, these binoculars boast un-paralleled brightness, edge-to-edge clarity, and advanced glare management technology. helping you see a clearer image in the harshest lightning conditions. Their ergonomic open-bridge design is comfortable for extended glassing sessions and delivers key weight savings for those long backcountry adventures..