Sigma
17-70mm f/2.8-4 MAC HSM OS "C" for EOS
Everday lens for APS-C size sensors
New in Sigma's Contemporary class of lenses, ideal for all purpose use on APS-C sized sensors. Equipped with the Hyper Sonic Motor (HSM) and OS Optical Stabiliser for superior image quality. Newly designed construction from TSC material (Thermally Stable Composite) allows for increased durability and a reduction in overall size approx 30% compared to previous models. Use with the Sigma USB dock, to customize the lens to your own personal preferences.