EF Mount to Fuji X Mount Adapter, allows EF /Efs Lens to fit on X-Mount Mirrorless Cameras Infinity Focus Guaranteed. There is no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually. Automatic diaphragm, auto-focusing, or any other functions will not operated with using this adapter As EF/EFS lenses do not have a manual Aperture Control ring, the lens will be wide open by default. Compatible with Canon EF / EF-s Mount Auto Focus Lens; Compatible with Fujifilm X-mount Mirrorless Digital Camera X-Pro1 X-Pro2 X-Pro3 X-E2 X-E3 X-A5 X-A7 X-A10 X-M1 X-T1 X-T2 X-T3 X-T4 X-T10 X-T20 X-T30 X-T30II X-T100 X-H1 & New Models