25x magnification porro prism binocular. Giant 100 mm objective lens offers maximum image brightness in low-light and long-range conditions. Features Max Interpupillary Distance of 72 mm and Min Interpupillary Distance 56 mm Individual Eyepiece Focus. Integrated tripod adapter rod for ultra-stable tripod mounting. Multi-Coated optics for sharp, clear views Water-resistant body. Deluxe padded carrying case included for travel and safe storage. New condition. Retails at $527.00. Great deal! Check web link for further details. You will need a tripod, these are heavy!