SUMMARY
Sigma has released a firmware update for its versatile 16-300mm f/3.5-6.7 DC OS | C superzoom lens, designed for APS-C mirrorless cameras. The update enhances autofocus speed, optimizes peripheral illumination correction, and addresses an issue causing blackouts or freezing when used with the Canon EOS R6 Mark III. However, this firmware is exclusively for the Canon RF mount version of the lens, despite its availability for other mounts like Sony E and Fujifilm X.
TAKEAWAYS
Sigma 16-300mm f/3.5-6.7 DC OS | C lens firmware updated.
Update improves autofocus speed and corrects peripheral illumination.
Firmware fixes freezing/blackout issues with Canon EOS R6 Mark III.
Update is only available for the Canon RF mount version.