Notice of Firmware Update for Interchangeable Lenses for Fujifilm X Mount Thank you for using Sigma products. We would like to inform you that the firmware of the following Fujifilm X-mount interchangeable lenses has been updated. The changes in this firmware are as follows. English Firmware Update Links SIGMA 16mm F1.4 DC DN | Contemporary for FUJIFILM … Continue reading Sigma 16mm, 30mm, and 56mm Firmware Updates Released: Improved AF Performance