Bushnell Excursion EX 8 x 36mm Binoculars: * 100 percent waterproof/fogproof construction * Wide field-of-view * PC-3 phase coating for color fidelity and clarity of image * BaK-4 roof prisms * Fully multi-coated optics * Large, lockable center focus knob for precise focusing * Long eye relief * Soft-Touch thumb grip * 1 year warranty * Center focus system * Field of view at 1,000 yards: 426" * Close focus distance (ft/m): 5.5/1.7 * Exit pupil (mm): 4.5 * Eye relief: 17.8 * Weight: 21.5 oz * Model# BSH243608