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
Sigma Firmware Update (2018.03.07) for Mount Converter MC-11 SA-E and EF-E: Compatibilities & Improvements 2018-03-17
Sigma Firmware Updates (Sep 8, 2017) for the SIGMA 24-70mm F2.8 DG OS HSM | Art Lens for Sigma/Nikon/Canon, and for the SIGMA MOUNT CONVERTER MC-11 SA-E and EF-E 2017-09-28
