Fotodiox Pro Lens Mount Adapter - Contax G Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body with Built-In Focus Control Dial Fotodiox Pro Premium Grade "No Play" Adapter Heavy Duty Brass & Anodized Aluminum Construction Smooth surface for effortless mounting Top Notch Craftsmanship, Infinity Focus Allowed 24 Month Manufacturer Warranty