Review on Enhance Your Sony E-Mount Camera with Sigma MC-11 Lens Mount Converter (Canon EF). Includes Bonus 32GB SD Card! by Sean House

Manufactured by Sigma for some (not all) Sigma lenses and some other specific brands. Not all camera controls work with all lenses, but I have been fortunate to use some of my Canon lenses (mostly f2.8 70-200 L) and have good focus controls on Sony a6000 series cameras (a6000, 6300 and 6500). . . I buy my Canon EF Mount Sigma lenses because I switched to Sony mirrorless systems a while ago and can now use Canon, Sigma and Sony lenses as needed. I've had great luck with the MC-11 mount, it's the best price I've found anywhere and Revain delivers promptly and is easy to deal with if there's a problem.