Similar to its 42mm counterpart, the Leupold BXA(R)-4 Pro GuideA(R) HD Gen 2 10x50mm is a versatile optic for backcountry hunters. However, its 50mm objectives go the extra mile, collecting even more light for improved long-range identification.This upgraded version of our best-selling binocular uses high-quality glass and improved lens coatings to deliver the resolution, clarity, and glare reduction diehard hunters and shooters demand - no matter the time of day, you'll be able to conquer the challenges of harsh light and bright reflections.Along with its outstanding optical system, the BX-4 Pro Guide HD Gen 2 includes interchangeable Form-Fit eyecups that'll keep your eyes fresh through hours of hillside glassing.