FREE BONUS w/PURCHASE! Oberwerk 15x70 Deluxe Binoculars BAK4 Porro Prisms,Fully Broadband Multicoated Optics,L-Style Tripod Adapter,Eyepieces Threaded for 1.25" Filters,Nitrogen-Filled, Fog & Waterproof,Rubber-Armored Metal Housing,13mm Eye Relief