V-AF 75mm T1.9 FE firmware v4
Samyang · Released Mar 6, 2023 · First seen by GearPulse Jul 5, 2026
What's in this update
Added Infinity Punt Adjustment Function
Supported compatibility with the Manual Focus Adapter for V-AF Series
Added AF Assist function on Sony FX6 and Sony α7SⅢ
GearPulse never hosts firmware files — always download from the official source.
Get it from Samyang →