Kowa TSN-770 Series Angled Body High Performance Spotting Scope with PROMINAR XD Lens, 77 mm Green High-performance 77mm spotting scope with a rugged construction Constructed of strong, lightweight polycarbonate materials, with a rigid structure that can endure hard usage Waterproof to JIS class 7 protection standards, and filled with dry nitrogen gas to prevent the lens from fogging Features an angled eyepiece for comfortable long, and high-angle use Weighs 46.9 ounces, measures 12.5 inches in length, and is backed by a manufacturer's lifetime product warranty