The Nikon Prostaff 5 10x50 Binoculars feature fully multicoated bright high-resolution optics that are built into an ultra-rugged waterproof and fogproof body that makes these binoculars ideal for any kind of hunt camping/wilderness trip or outdoor activity. They have a very rugged and all-purpose build quality that makes them very durable and able to withstand any outdoor punishment. Long eye relief (19+mm) turn-and-slide rubber eyecups and a smooth diopter adjustment are just a few of the user-friendly features on this spectacular binocular. The rubber-armored body features sleek contours a sure non-slip grip in wet or dry conditions and lead and arsenic-free Eco-glass. It also features aluminum high-reflective multilayer prism coating delivers close focus distances of just over 16.4 feet and a field of view of 293 feet.