Canon to Sony Adapter Review: Sigma MC-11 vs Metabones Mk IV by Tony Northrup
Tony Northrup (video above) and David Kilpatrick (video below) made a good job to tell you how good (or bad) the new Sigma MC-11 adapter is.
Sigma MC-11 with 50mm ART and A7RII by David Kilpatrick
Sigma MC-11 Adapter Updated Review with Video and Autofocus Samples on a6300
The Sigma MC-11 adapter is in Stock for the first time at Amazon US (Click here).