Sigma Mc-21 L-Mount Adapter For Sa

Why buy the Sigma MC-21 L-Mount Adapter for Sigma SA? This Sigma Mount Converter MC-21 allows Sigmas Canon EF mount interchangeable lenses to be mounted on L-mount cameras. Sigma MC-21 L-Mount Adapter for Sigma SA Using the Sigma MC-21 you can mount Sigma SA-mount lenses on Leica L-mount possessin...