Kowa TSN-880  Series Angled Body High Performance Spotting Scope with PROMINAR Pure Fluorite Lens, 88 mm Green High-performance 88mm spotting scope with a rugged construction and high-end specifications Constructed of strong, lightweight polycarbonate materials, with a rigid structure 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 53.6 ounces, measures 13.5 inches in length. Backed by the manufacturer's Limited Lifetime Warranty when purchased only from Authorized North American Dealers