10x binos hit the sweet spot for a lot of hunters. They provide enough field-of-view for tight areas, while delivering enough magnification for wide-open spaces. Built for epic adventures in harsh environments, the 10x42mm BX-5 Santiam HD binoculars dominate other optics in their class. Their generous eyebox is designed for long glassing sessions with no eye-strain. The open-bridge design is comfortable and easy to carry, while the advanced prisms and Twilight Max HD Light Management System ramp up light transmission and redefine low-light performance; helping you see more in less light. And, of course, their glare management, clarity, and resolution are second to none. Features: Twilight Max HD light management system Twist-up eyecups and generous eye relief for comfortable extended viewing Ergonomic design Extremely smooth focusing system for fine adjustments Sheds dirt and water for clear, crisp images with the Guard-ion lens coating Open bridge, roof prism design is extremely lightweight and ergonomic Advanced HD lens system BAK 4 prisms - delivers a perfectly round exit pupil with virtually no edge distortion and a crisp, clear image DiamondCoat 2 Fully multi-coated lens system Phase coated roof prisms significantly increase resolution for a sharp sight picture from edge-to-edge of the visual field Diopter focus Absolute waterproof and fogproof integrity means it's ready to perform in the field, in all conditions