Sigma 17-70mm F2.8-4 DC MACRO OS HSM used 1yr warranty, clean condition
✔ Key features include a bright aperture range from F2.8 to F4, optical stabilization (OS), and Hyper Sonic Motor (HSM) for fast, quiet autofocus. ✔ C:Model: 17-70mm F2.8-4 DC MACRO OS HSM. ✔ C:Autofocus: Yes (HSM).