Fotodiox Pro Lens Mount Adapter - B4 (2/3") ENG Cine Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body Mounts B4 (2/3") ENG Cine Lenses 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