SPECS: Magnification: 10x Lens Size: 50mm Interpupillary Distance: 60-76mm Eye Relief: 17mm Close Focus: 6.0 ft. Field of View (@1,000 yds/degrees): 320'/6.1deg Dimensions: 6.7" H x 5.3" W Weight: 30.4 oz. DESIGN & DETAILS: HD optical system Nitrogen gas purged Fully multi-coated lenses for increased light transmission Phase correction Rubber armor Shockproof and waterproof Includes GlassPak(TM) binocular harness