Fotodiox Pro Lens Mount Adapter - Leica R SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body Lens Mount_Alpa but they have two flaws

but they have two flaws

2 oz) Shipping Dimensions 8 x 10 x 1

Note: The Sony α7s and many of the pro E-Mount video cameras already have an all metal mount and do not benefit from this modification

solid all-metal connection with chrome plated brass mounts for secure and solid fit

no-wiggle connection for stress-free use

Fotodiox Pro Lens Mount Adapter - Leica R SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body Lens Mount_Alpa but they have two flawsFeatures: Mounts Leica R SLR Lenses to to Canon EOS M (EF M) 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 Mirrorless