25x100 WP Cosmos, Porro, Bak-4, MC, Green Lens, w/ Premium Hard Case, Braced in tripod-mounting post, Complete waterproof protection, Aluminum body, Large objective lens maximizes light transmission, Cosmos boasts outstanding performance especially for astronomical viewing and long distance terrestrial observation at low-light conditions. Includes Premium Hard Case, Lens Covers and Lens Cloth, Limited lifetime warranty.