With a superior field of view for glassing dense brush and enough power for long-range detection, 10x50mm BX-1 McKenzie HD Binoculars won't let you down. The Advanced Optical System delivers best-in-class low-light performance and a crisp HD image that will stand out from the competition. The roof prism delivers better resolution, and the compact design feels solid in your hands. The lightweight, compact design is waterproof and purpose-built to handle the harshest conditions. And like all Leupold Binoculars, they're guaranteed for life. High-definition, calcium-fluoride lenses for superior clarity Advanced Optical System provides excellent low-light performance, glare reduction and resolution Roof prism design for enhanced resolution Smooth central focusing wheel makes fine adjustments easy Diopter focus Lightweight and compact 100% waterproof and fogproof Removable twist-up eyecups are easy to replace in the field if damaged Backed by the Leupold Lifetime Guarantee Order today!