The Bushnell SPORT 850 is a rugged laser rangefinder that offers an outstanding range of 5 to 850 yards with +/- 1 yard accuracy. This disc golf friendly Bushnell rangefinder is extremely handy, thanks to its vertical configuration and compact design. With a one-button operation, this laser rangefinder allows you to accurately measure distance. The Bushnell SPORT 850 has a magnification of 4x that provides a close and detailed image of your target. An eye relief of 17 mm integrated by this Bushnell rangefinder gives you an accurate field of view.