BIG EYE 20x40x100 These giant binoculars are designed to fit most demaning specifications and are capable to withstand maritime weather. They are useful as marine binoculars, border guarding instrument, and with other applications where long-range viewing is required. The 20x or 40x Big Eye has massive objective lenses, BAK-6 prisms and precision-ground, multi-coated optics. One can note the incredible optical quality with extraordinary edge-to-edge image clarity. Oversized, individually focusing ocular lenses are set at an angle for comfortable viewing. The mounted device swivels a full 360º horizontally and 135º vertically. The instrument is nitrogen filled to prevent fogging. Foldable eye cups. Convenient holder is attached to a tripod to keep spare eyepieces. Binoculars are supplied in hard case with a lock. Front Back   Product Accessories Tripod (optional) Manual Specifications Magnification Near Focus, m Objective lens diameter, mm Field of View Field of View, ft/yd Field of View, m/m Eye Relief, mm Interpupillary distance, mm Angle of Eyepieces Disposition Prisms Coating Horizontal Swivel, degrees Vertical Swivel, degrees Telescope length, mm Weight, without tripod, kg 20x Eyepiece 40x Eyepiece 20x 40x 25 25 100 100 2.5°±15' 1.5°±15' 131@1000 79@1000 44@1000 26@1000 20.5±2 14.5±2 55-72 60º BAK-6 FMC 360º 90º up, 45º down 420 7,8