This is a Leupold Binocular known as the BX-4, model 172666.
10x binoculars may be the Jack of all trades when it comes to glassing. With enough magnification for long-range identification" the 10x42mm and 10x50mm BX(R)-4 Pro Guide(TM) HD binos will also get the job done in tight situations; all while being compact and lightweight. Built around our Twilight Max HD Light Management System" the BX(R)-4 Pro Guide(TM) HD binoculars boast un-paralleled brightness" edge-to-edge clarity" and advanced glare management elements; helping you see more detail 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:
Fully multi-coated lens system
100% waterproof and Fogproof
Twilight max HD light management system
High definition
Twist up eyecups
