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Converts Sigma's Canon EF lenses to Leica L bodies. For use with Leica L-mount camera body. Expands Sigma lens compatibility list to 29. Optimizes AF drive, aperture control and other functions.
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Converts Sigma's Canon EF lenses to Leica L bodies. For use with Leica L-mount camera body. Expands Sigma lens compatibility list to 29. Optimizes AF drive, aperture control and other functions.

Add versatility to your Canon EOS R5, EOS R6, EOS R or EOS RP cameras with this Canon control ring mount adapter. It fits Canon EF and EF-S lenses without losing setting control.

Leica camera owners with L-Mount systems rejoice! The Mount Converter MC-21 allows you to use your Sigma Canon EF-mount compatible interchangeable lenses with the Leica L-mount camera body. Includes Necessary Data Mount Converter MC-21 incorporates the data necessary for each compatible lens and uses a dedicated control program to optimize AF drive, aperture control, and other functions.

Whether you're shooting digitally or on film, Fotodiox offers the world's largest selection of lens adapters. Certain prime lens just can't be replaced, and you save the cost of purchase on new lenses. Mix camera/lens platforms or reinvigorate vintage glass; Fotodiox has hundreds of ways to mount lenses onto your DSLR or SLR camera. Our adapters deliver infinity focus, manual aperture control, and a sturdy build for lasting quality.
| Pros for Sigma - MC-21 Lens Mount Adapter (Sigma EF to Leica L-Mount) Bundle | |||
|---|---|---|---|
| There were no pros for this product— | Control Ring, Lens Compatibility, Quality, Ease of use, Auto Focus | There were no pros for this product— | There were no pros for this product— |