Fotodiox New Lens Mount Adapter, Black (M42-FXRF-Pro-Macro-V2) Mountsm42 screw mount SLR lenses to X-mount x-series mirrorless camera body; 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 Limited 2-year Manufacturer Warranty