Fringer EF-GFX Pro Lens Adapter Ring AF for Canon SIGMA TAMRON to Fuji GFX Mount
Model Number : Fringer EF-GFX Pro. Fringer EF-GFX Pro (FR-EFTG1). EF-GFX Pro Compatible lists. For optimized lenses and GFX100/ GFX100S only. Thus, adapted lenses won't get high AF performance on them.