Adapter to adapt EOS EF mount lenses to EF-M cameras. May be used with manual focus lenses with appropriate adapters, or Canon EOS EF series lenses. I used it with a lensbaby. Also available (see my other listings): - EOS M6 camera kit with 15-45mm lens - EOS EF-M 11-22mm ultra-wide lens - EOS EF-M 22mm f/2 fast pancake lens