Sigma Firmware Updates for the SIGMA 24-70mm F2.8 DG OS HSM | Art Lens (Oct 2, 2018), and the SIGMA MOUNT CONVERTERS MC-11 SA-E (Oct 2 & 30, 2018) and MC-11 EF-E (Oct. 2, 16 & 30, 2018): Lens Improvement and Compatibilities 2018-11-04
Firmware Update (2017.08.04) for SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON and SIGMA MOUNT CONVERTER MC-11 EF-E: Improvement 2017-08-04
