Sigma 200-500mm f/2.8 APO EX DG for SigmaDesigned for great compatibility with Canon DSLR cameras, the 200 500mm Lens is an adaptable and high performing accessory that helps you create great photographs of a wide range of subjects. With a Maximum Aperture of f 2. 8, this lens gives the camera great performance in low lighting environments and allows you to get finely detailed shots with shallow depth of field. The lens also features a super multi layer coating that minimizes flare and