PHOLSY Manual Focus Adapter Ring Compatible with Pentax K PK Mount Lenses and Canon EF-M (EOS M) Mount Camera Body, PK to EF-M, PK on EOS MIntegrate and expand The adapter compatible with Pentax K lenses, compatible with Canon EF M mount cameras. Use PK lenses on EOS M Mount cameras, enable your EF M to work with PK lenses. When using PHOLSY adapters, there is no mechanical or electronic communication between the lenses and the EOS M (EF M) camera No loss of image quality or speedInfinite focus allowed. The lens adapter does not contain electronic contacts or glass, so you need to