Fotodiox New Lens Mount Adapter, Black (Arris-MFT) Mounts Arri standard (arri-s) mount SLR lenses to micro Four Thirds (MFT) mount Mirrorless cameras High-tolerance precision Craftsmanship; Infinity focus or Beyond Allowed All-Metal design; hardened anodized aluminum construction Premium Grade Fotodiox Adapter Limited 2-year Manufacturer Warranty