Bushnell Xtra-Wide 4x 30mm Binocular Cameras & photo binoculars Made of the highest quality materials Another great Bushnell product Extra-wide binocular with 4x magnification and 30mm objective lens Field of view is nearly 3 times as wide as standard binocular Fully multicoated optics for superior light transmission and brightness Fold-down eyecups; focus-free system for quick-moving action BaK-4 prisms; 10mm of eye relief; weighs 14.5 ounces