A full size set of binos isn't always the solution. Enter our compact BX-4 Pro Guide HD binoculars. We decreased the size and gave you some weight savings, all while maintaining an elite level of performance. Built around our Twilight Max HD Light Management System, the BX-4 Pro Guide HD binoculars boast un-paralleled brightness, edge-to-edge clarity, and advanced glare management elements, helping you see more details in less light. Their ergonomic open-bridge design is comfortable for extended glassing sessions and delivers key weight savings for those long backcountry adventures.Features:Bak 4 prisms - delivers a perfectly round exit pupil with virtually no edge distortion and a crisp, clear imageCentral focus dial - large, tactile focus dial is easy to find and use, even with gloved hands, which gives you the precision focus you need to pick antlers out of the trees or hide out of the brushErgonomic design - our ergonomic design ensures our products are slim, lightweight, and fit well in your hands no matter what size they areHigh definition - high-definition, calcium-fluoride lenses ensure incredible clarity at all magnification levelsTwilight max HD light management system - see more in less light with twilight max hd light management systemTwist up eyecups - features twist-up eyecups and generous eye relief for comfortable extended viewingWaterproof and fogproof - absolute waterproof and fogproof integrity means it's ready to perform in the field, in all conditions