The BX-1 McKenzie HD reveals more details than other binoculars in its class. The roof prism delivers better resolution, and the compact design feels solid in your hands. It delivers class-leading low-light performance with Advanced Optical System, which delivers the light transmission, glare reduction and resolution all recreational sportsmen and sportswomen demand. Its lightweight, compact design is waterproof and purpose-built to handle the harshest conditions. includes a GO Afield shoulder strap, binocular case, lens covers and lens cloth