The bx-4 pro guide hd gen2 is a jack-of-all-trades when it comes to backcountry optics.Compact and lightweight, it has enough field of view for navigating tight areas while still offering plenty of magnification for wide-open spaces.This binocular uses high-quality glass and improved lens coatings to deliver the resolution, clarity and glare reduction no matter the time of day.Along with its optical system, the bx-4 pro guide hd gen2 includes interchangeable form-fit eyecups that'll keep your eyes fresh for hours.Magnification: 10xObjective: 50mmField Of View: 299 ft @ 1000 ydsEye Relief: 19mmExit Pupil Diameter: 4.20mmPrism Type: RoofWeight: 28.70 ozOptic Coating: Diamond Coat 2Proofs: Fog/Waterproof