SIGMA has published firmware updates for three lenses for the Sony E-mount that apply to the Sony A9 III only:
- Firmware Update Ver.02 for the SIGMA 50mm F1.4 DG DN | Art (Windows | Mac)
- Firmware Update Ver.04 for the SIGMA 105mm F2.8 DG DN MACRO | Art (Windows | Mac)
- Firmware Update Ver.04 for the SIGMA 14-24mm F2.8 DG DN | Art (Windows | Mac)
These firmware updates now enable the lenses to be used on the Sony A9 III when shooting continuously at 120 fps. Only AF-S/DMF/MF modes are supported.
