The BX-4 Range HD Gen 2 range-finding binoculars are built to perform in the harshest conditions. They’re waterproof, fog proof and feature best-in-class light transmission, resolution, and edge-to-edge HD clarity. When it comes to range-finding binoculars, the choice is clear. The BX-4 Range HD Gen 2 outperforms them all. Now you can spot and range targets without switching optics. It has a maximum range of 4,000 yards on reflective targets and 2,000 yards on trees. Its high-contrast red OLED display delivers crisp readouts in any light, while edge-to-edge HD clarity reduces eye strain for longer glassing sessions.