Sigma 17–70 mm DC Makro OS HSM, 35 mm f1,4 & 120–300 mm f2,8 Canon Objektiv USB Dock
The Sigma USB dock will not work with Sigma’s existing lenses and has been specifically designed for their new line of lenses, such as the Sigma 17-70mm DC Macro OS HSM, 35mm f1.4 DG HSM and 120-300mm f2.8 DG OS HSM lenses.