Brunton Echo Midsize Camouflage Binoculars (Mossy Oak, 10 X 32) High-quality mid-size 10x power binocular for viewing over mid to long distances 32mm objective lenses with BaK-4 prism glass and Emerald Fire multi-coating 315-foot field of view at 1,000 yards; 15mm long eye relief Waterproof and fog-proof polymer frame; eyeglass-compatible twist-up eye relief system Measures 4.8 x 4.8 x 2.2 inches (WxHxD) and weighs 20 ounces; 5-year warranty