SPECS: Magnification: 8x Lens Size: 42mm Interpupillary Distance: 57-74mm Eye Relief: 17mm Close Focus: 6.0 ft. Field of View (@1,000 yds/degrees): 393'/7.5deg Dimensions: 6.3" H x 5.2" W Weight: 23.8 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