Proving versatility in diverse conditions, this Sigma EX 50-500mm f/4.0-6.3 HSM DG Lens is engineered to be used on SLR cameras. In addition, the user has the chance to either use the manual focus or the autofocus function provided by a Hyper Sonic Motor. Ready for detailed shots, it has a 9.5 cm diameter and a weight of 1842 g.