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