SkyMaster 15x70 Binoculars

LIMIT ONE PER CUSTOMER   15x magnification porro prism binocular Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra sharp focus across the field of view Multi-Coated optics for sharp, clear views Suitable for terrestrial or astronomical viewing Protective rubber covering for ultra-firm grip Large center focus knob for easy focusing Tripod adapter included Long eye relief ideal for eyeglass wearers Carrying case included for travel and safe storage Limited Lifetime Warranty provides best protection and product support on the market Specifications Objective Lens Diameter (mm) 70 mm Magnification (x) 15x Angular Field of View 4.4° Linear Field of View 231 ft / 77 m Exit Pupil (mm) 4.7 mm Eye Relief (mm) 18 mm Close Focus 43 ft (13 m) IPD Max 72 mm IPD Min 56 mm Optical Coatings Multi-Coated Weight (oz) 48 oz (1361 g) Prism Glass (Type) BaK-4 Twilight Factor 32.40 Relative Brightness 22.09 Weatherproof Wat