This is a manual adapter without electrical contacts, supports focus to infinity. Auto diaphragm/auto-focus is not allowed. Mounts EF/EF-S mount lenses to Fuji X-series mirrorless cameras. Compatible with Fujifilm Fuji X-Series Mirrorless Camera Body: X-Pro1, X-Pro2, X-T1, X-T2, X-T10, X-T20, X-E1, X-E2, X-E2S, X-A1, X-A2, X-A3, X-A10, X-M1 etc. All-metal design and hardened anodized aluminum construction. Manual adapters have no electronic contacts, which therefore don't support auto-focus