Sigma released a few firmware updates to add 120 fps support on the Sony a9III.
Update Addresses
・The operational noise during video recording has been reduced.
・Compatibility with continuous shooting of up to approximately 120 frames per second has been added for the focus modes (AF-S/DMF/MF) on Sony α9 III cameras.
Sony a9III: B&H Photo / Amazon / Adorama
Sigma 70-200mm f/2.8 DG DN OS Sports
B&H Photo / Amazon / Adorama
Sigma 150-600mm f/5-6.3 DG DN OS Sports:
B&H Photo / Amazon / Adorama
Sigma 60-600mm f/4.5-6.3 DG DN OS Sports:
B&H Photo / Amazon / Adorama
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