Swarovski Optik SLC Binocular with Tripod Adapter (15x56) Versatile binocular with 15x magnification and 56mm objective lens Underside thumb rests and topside depressions for comfortable handling Sturdy metal housing with rubber armor; includes SLC tripod adapter 231-foot field of view @ 1,000 yards; nitrogen purged to prevent fogging Measures 8.47 x 2.8 x 5.04 inches (W x H x D) and weighs 45.5 ounces