Firmware update for the SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary for Canon & SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary for Canon
From Sigma: We would like to announce that a new firmware update…
Review: Sigma 18-200 f/3.5-6.3 DC Macro OS
Bryan over at the-digital-picture has completed his review of the Sigma 18-200…
