From Sigma:
Operating conditions of the Nikon “Z 6” and SIGMA’s interchangeable lenses for NIKON F mount, and firmware update for SIGMA 24-70mm F2.8 DG OS HSM | Art for NIKON F mount
Thank you for purchasing and using our products. We would like to announce that the operating conditions of SIGMA’s interchangeable lenses for NIKON F mount on the Nikon “Z 6” and their “Mount Adapter FTZ” are the same as when they are used in combination with the Nikon “Z 7” and their “Mount Adapter FTZ” that we announced on October 26th, 2018.
Furthermore, we would like to announce that a new firmware update for SIGMA 24-70mm F2.8 DG OS HSM | Art for NIKON F mount improves on the phenomenon particular to the lens when it is used in combination with the Nikon “Z 7” or “Z 6” and their “Mount Adapter FTZ”.
For customers who own the SIGMA USB DOCK and applicable product listed below, please update the firmware via SIGMA Optimization Pro. Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.5.0 or later.
Applicable product
Benefit of the update
SIGMA Optimization Pro Download
Thank you for purchasing and using our products. We are pleased to announce that a firmware update for the SIGMA MOUNT CONVERTER MC-11 EF-E is now available.
This firmware makes the SIGMA MOUNT CONVERTER MC-11 compatible with the latest firmware of SIGMA interchangeable lenses. For customers who own the SIGMA MOUNT CONVERTER MC-11 EF-E, please update the firmware via SIGMA Optimization Pro? by connecting it to a computer using the supplied USB Cable.
Before updating the SIGMA MOUNT CONVERTER MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.5.0 or later.
Applicable product
Benefit of the update