Brunton Echo Compact 10x25 Binocular Brunton Product Includes Binocular Great for Camping High-quality compact 10x power binocular for viewing over mid to long distances 25mm objective lenses with BaK-4 prism glass and Emerald Fire multi-coating 325-foot field of view at 1,000 yards; 12mm long eye relief Waterproof and fog-proof polymer frame; eyeglass-compatible twist-up eye relief system Measures 4.5 x 5.2 x 1.6 inches (W x H x D) and weighs 14 ounces; 5-year warranty