Designed for an exceptional photography experience, the Sigma 50 to 500 mm F4.5-6.3 APO DG OS for Sony Cameras is a 10x power high-performance zoom lens that covers a standard to long telephoto focal range. It assures you of high quality images with the four SLD lens elements, which are perfectly placed to provide optimum color correction and sharpness. The multi-layer coating on the lens elements is ideal to reduce flaring and ghosting throughout the entire zoom range. This all-in-one lens is ideal for a wide range of photography styles.