The Konus 8-24x50 Zoom is a multi-purpose Porro Prism binocular well suited for short and long range observation. This zoom series is available in different magnifications in order to satisfy every user's need. It is a good tool to track fast moving objects, like cars or birds, or to take to a football game or on safari. The binocular features multi-coated optics to obtain sharp and crisp views. Its large 50mm objective lenses and Bak4 prisms dramatically improve light transmission. This binocular features a rubber armored body to be strong and durable, and it insures a sure grip. The binocular incorporates a large center focusing knob to allow rapid target focus, even while you wear gloves during cold temperatures.