Sigma 300-800mm F5.6 EX DG APO HSM Black

300-800mm F5.6 EX DG APO HSM - Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 450 to 1200mm F5.6 most cameras
- HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
- Weighing 13 lbs & an overall length of 21 inches it can still be accommodated in a large professional backpack
- When used with full frame cameras & Sigma 1.4x or 2x optional Tele Converters it becomes a 420-1120mm F8 manual focus lens or a 600-1600mm F11 manual focus lens respectively
- Soft case, lens hood, circular PL filter are included. It is equipped with fixed tripod socket.