The Leupold BX-4 Pro Guide HD Gen 2 Binocular is an upgrade in both form and function. This latest version of the 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 swappable Form-Fit eyecups that'll keep your eyes fresh through hours of hillside glassing. FeaturesElite Optical SystemOpen-bridge, dual-hinge designAluminum bodyGenerous eyeboxUltra-smooth focus adjustmentsLightweight designSwappable Form-Fit eyecups1/4-20 threaded tripod adapterPremium case and strap included