The Sigma MC-11 converter is a revolutionary product designed to allow compatibility between Sony FE and APS-C cameras and Sigma Canon EOS mount and Sigma mount lenses. Utilizing the latest technology, the MC-11 supports fast and accurate autofocus and will work in conjunction with in-camera stabilization and in-lens stabilization. An LED display on the adapter show the user if their will work in conjunction and the MC-11 is also updatable with Sigma's USB docking station. Flocking inside of the converter allows the image to be maintained while the internal electronics record all data from the image for later review. Like all SGV products, each lens is hand crafted in our single factory in Aizu Japan.With the MOUNT CONVERTER MC-11, users of SIGMA SA mount interchangeable lenses and SIGMA EOS mount interchangeable lenses for Canon camera bodies can use them as is with Sony E-mount camera systems. Users of multiple mounts will enjoy more flexible use of their valuable lens assets.The MOUNT CONVERTER MC-11 gives Sony E-mount camera body users access to a total of 44 SIGMA interchangeable lenses. Thanks to compatibility with auto-image area setting functionality, SIGMA DC lenses for APS-C sensors can be used with camera bodies with full-size sensors without the need for any special operation.