Firmware Updates for Viltrox EF-FX1/FX2 and EF-FX1/FX2 Pro

Viltrox has released firmware updates for the Vitrox EF-FX1 Pro, EF-FX2 Pro, EF-FX1 and EF-FX2.

EF-FX1/FX2 v.2.2.9

1. Fixed the issue where the in-body image stabilization of certain lenses does not work on the X-H1 and X-T4 after upgrading FX1 and FX2 to v2.2.8.
2. Fixed the issue where the camera would restart when powering off on the X-H1 and X-T4
3. Fixed the issue where the aperture occasionally becomes unresponsive during shooting
4. Fixed the issue where the camera screen flashes after adjusting the focus position, but the issue is resolved when the shutter button is pressed

EF-FX1/FX2 Pro v.1.0.5

1. Fixed compatibility issues with the EF-S 55-250mm f/4-5.6 IS STM lens

You can access the firmware at the Viltrox download center.