Fotodiox Pro Lens Mount Adapter - Leica M Rangefinder Lens to Sony Alpha E-Mount Mirrorless Camera Body Mounts Leica M Rangefinder Lenses to Sony E-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 mounts for secure and solid fit 24-Month Fotodiox warranty