Viltrox - Viltrox EF-FX2 Auto Focus 0.71x Reducer Speed Booster Lens Mount Adapter for Canon EF Mount Lens to Fuji X-Mount Mirrorless Camera X-T3 X-T2 X-T20 X-T30 X-T10 X-T100 X-PRO2 X-E3 X-A20 X-A5