50-400mm F/4.5-6.3 Di III VC VXD (SONY E) firmware v4
Tamron · First seen by GearPulse Jul 4, 2026
What's in this update
- Improved AF performance during zooming- With α9 III, when its focus mode is set to AF-S, DMF, or MF, it will support continuous shooting at up to approximately 120 frames per second* Update can be done with TAMRON Lens Utility™.
GearPulse never hosts firmware files — always download from the official source.
Get it from Tamron →