The?MC-21 Mount Converter?enables the use of?Sigma?EF-mount lenses on Leica L-mount mirrorless camera bodies. and maintains full lens performance. including autofocus in AF-S mode and auto-exposure. as well as in-camera correction and image stabilization technologies. An integrated LED can be used to display select Sigma lens compatibility with the adapted camera body. and the adapter also has pre-loaded lens data to support peripheral illumination. chromatic aberration. and distortion corrective functions. In order to maintain a high degree of image quality. the interior of the adapter is flocked to reduce reflections. and it also retains full EXIF data to benefit post-production and file management. Additionally. a removable tripod mount is included for more stable mounting when working with heavier lenses.
Per Sigma. this Mount Converter/Lens Adapter is compatible with a select number of Sigma's own EF-mount lenses. and may or may not be suitable for use with other manufacturers' EF-mount lenses.