Evolved G2 All-in-One 8x Zoom 25-200mm F/2.8-5.6 Di III VXD G2 (Model A075) for Sony E-mount Full-Frame Mirrorless
December 04, 2025
Tamron Co., Ltd.

Press Release


TAMRON Lens Firmware Update (Ver. 4)

150-500mm F/5-6.7 Di III VC VXD (Model A057)

December 4, 2025, Saitama, Japan - Tamron Co., Ltd. (Headquarters: Saitama City), a leading manufacturer of optics for diverse applications, announces a new firmware update scheduled on December 4, 2025, for 150-500mm F/5-6.7 Di III VC VXD (Model A057) for Sony E-mount.


With this new firmware update, AF performance during zooming will be improved when shooting videos and still images (in AF-C mode). Additionally, 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. AF assist function is also updated.



Product Mount Latest Version Last Update Date
150-500mm F/5-6.7 Di III VC VXD (Model A057) Sony E Ver. 4 Dec. 4, 2025
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
- Improved AF assist function
Please update the firmware through camera body.
Download Page: 
https://www.tamron.com/global/consumer/support/download/firmware/a057/sony_e/