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, individually inspected before shipping and offer a 4 year USA warranty.