Urth Lens Mount Light-Sealed Adapter Compatible with EF/EF-S Lens to Micro Four Thirds Camera BodyWith Urth Lens Mount Adapter you can combine any (EF EF S) mount lens with any Micro Four Thirds mount camera and explore new lens combinations. Electronic Adapter The smart adapter has fast autofocus and most automatic functions are supported. Snug Fit This is meticulously machined for a snug, light sealed, and secure connection. Clever Design It is easy to mount and dismount. It is machined from hardened aluminum and copper, coated in an anti