Superb ranging accuracy and advanced optics combine to make the best of both worlds in Bushnell's Fusion X 10X42mm Ranging Binocular. Our HDOS-High-Definition Optical System-provides optimum viewing clarity, while the one-of-a-kind ActivSync(TM) Display means you'll never again have trouble reading the ranging readout. Together, they make the Fusion X the one tool every hunter needs.