From Sigma: We would like to announce that a firmware update for the SIGMA 24-70mm F2. 8 DG OS HSM | Art for SIGMA and CANON, as well as a firmware update for the SIGMA MOUNT CONVERTER MC-11 SA-E and EF-E is now available.
This firmware update corrects the phenomenon that the OS mechanism does not Read more. . . . canonrumors.com
2017-8-19 14:59