These hunting binoculars deliver superior quality and high-performance for a surprisingly affordable price. The smooth focusing 10x42 Diamondback binocular takes you to the fine details you prize. This rugged binocular is striking in how well it detects life in low light. Look for a huge field-of-view-the largest in its class- with enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fogproof construction, soft tapered eyecups, and rugged rubber armor. Made by Vortex®. Magnification 10 x Objective Lens Diameter 42 mm Eye Relief 16 mm Exit Pupil 4.2 mm Linear Field of View 345 feet/1000 yards Angular Field of View 6.6 degrees Close Focus 5 feet Interpupillary Distance 57-73 mm Height 5.9 inches Width 5.6 inches Weight 24.4 ounces