Fotodiox Pro Lens Mount Adapter - Canon EOS EF Lens (NOT EF-S Lens) D/SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body, with Built-In Aperture Iris Mounts Canon EOS EF Lenses only to Micro Four Thirds (MFT) mount mirrorless cameras; infinity focus or beyond allowed Enhanced craftsmanship and high-tolerance construction for demanding professionals Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required Precision all-metal construction with chrome plated brass mount(s) for secure and solid fit 24-Month Fotodiox warranty