Product Features: Phase Coated Porro Prism - Phase Coated Porro prisms reflect great mount of lights to your eyes which will give you bright image. Advanced Fully Multi-Coated Lenses - Advanced Fully Multi-Coated lenses bring you better light transmission to bring optimum brightness and true color across the entire light spectrum. Argon Purged - Argon Purging uses inert gas to purge moisture out of the tube giving you better waterproofing and thermal stability. Waterproof - Waterproof to protects the binocular in the harshest weather conditions or if accidently submerged underwater. Rotating Ring - Rotating Ring allows you to rotate the scope around tripod supporting ring into the most comfortable and convenient angle for observation. Product Specifications: Magnification - 20-60 Objective Lens Diameter - 85 mm Prism Glass - Porro Prism Prism Coating - Phase Coating Lense Coating - Wind Band Fully Multi-Coated Field of View - 102-48 ft Exit Pupil - 4.2-1.42 mm Eye Relief - 0.77-0.70" Close Focus - 39.4′ Dimension (LxW) - 16.9"X4.0" Weight - 70 oz
