Alpen Optics PRO 8X42 Wide Angle Binocular Wide-angle binocular with 8x magnification and 42mm objective lenses BaK-4 lenses with multicoated optics for superior brightness, resolution, and clarity Rubber armoring for durability; comfort-fit styling for security in the hand 430-foot field of view @ 1,000 yards; 16mm of eye relief Twist-out eyecups; measures 5 inches long and weighs 26 ounces