Sigma has released a set of firmware updates for its Art lenses for Sony E-mount cameras. The upgrade improves AF speed, Face Detection accuracy, and fixes other minor AF glitches.

To install the update, you will need Sigma’s Optimization Pro Software. You can download it here. More information on the update here.    

On October 3, 2019 Sony announced the second iteration of their flagship full frame camera – A9II. Looking at the specifications we get the impression that it is just an incremental upgrade over the A9. Or is it?