Sigma released a firmware update for their 150-600mm f/5-6.3 DG OS HSM lens to fix overexposure issues with Nikon D500 cameras:
Lens firmware Update for SIGMA 150-600mm F5-6.3 DG OS HSM |Sports / Contemporary in Nikon mount
We would like to announce the availability of a new firmware update for the SIGMA 150-600mm F5-6.3 DG OS HSM | Sports in Nikon mount and the SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary in Nikon mount. This firmware update can be installed using SIGMA Optimization Pro.
The lens firmware update corrects the phenomenon of overexposure when the lens is attached to the SIGMA TELE CONVERTER TC-1401 on Nikon Digital SLR camera “D500”, released by NIKON CORPORATION.
For customers who own the following applicable products and also SIGMA USB DOCK, please update the lens firmware using SIGMA Optimization Pro.
For customers who do not own SIGMA USB DOCK, the lens firmware update will be provided free of charge. Please contact your nearest authorized subsidiary/distributor of SIGMA.
Applicable products:
・SIGMA 150-600mm F5-6.3 DG OS HSM | Sports – Nikon mount
・SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary – Nikon mount
Benefit of this firmware update
It has corrected the phenomenon that it shows some overexposure when it is attached with
SIGMA TELE CONVERTER TC-1401 on Nikon D500.
*For customers who are using SIGMA Optimization Pro Ver1.1 or earlier, please ensure to update it to Ver1.3 from the following Download page before updating the lens firmware.
Download page
http://www.sigma-global.com/download/