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Viltrox EF-FX1/FX2 Firmware Update v. 2.29 fixes Issues with Fujifilm X-T4, X-H1 and Other Bugs


Viltrox has published firmware update 2.28 for their Viltrox EF-FX1 and Viltrox EF-FX2 adapters.

We remind you that Viltrox also offers the Viltrox EF-GFX adapter.

All details and download links below.

EF-FX1/FX2 version 2.29:

  • Fixed the problem that after the adapter is upgraded to V2.28, IBIS of XH1 and X-T4 is not yet effective on a few lenses.
  • Fixed the problem that X-H1 and X-T4 sometimes will appear to shut down and restart automatically.
  • Fixed the problem that the aperture is occasionally out of control when taking pictures.
  • Fixed the problem that the camera screen will flash after moving to the focus position, but get normal once shutter is pressed.

Download links at Viltrox website.

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