This high zoom ratio lens is optimised for digital SLR cameras and capable of covering a wide range of focal lengths from a 50mm standard to a 500mm ultra telephoto. This ultra zoom lens employs a seven-group zoom system, which provides a high zoom magnification of 10x. The triple-cam Rear Focusing System ensures high precision throughout the entire focus range. This is a large-aperture lenses with wide angles and short minimum focusing distances. With an abundance of peripheral illumination, they are ideal lenses for Digital SLR Cameras and yet they still retain suitability for traditional 35mm SLRs. What you will get Sigma 50-500mm F/4-6.3 EX DG HSM Len (Canon Mount) Front & Rear Lens Caps Lens hood Soft Case Absolutely lovely picture quality and brand new!