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Did Leica just veto the Sigma MC-21 Canon EF adapter for L-mount? So much for an alliance! - EOSHD.com - Filmmaking Gear and Camera Reviews
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SIGMA MOUNT CONVERTER MC-21 for the L Mount system by SIGMA UK camera ambassador Paul Monaghan – Sigma UK
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Panasonic Lumix DC-S1R Digital Camera Body with Sigma MC-21 Mount Converter/Lens Adapter for EF-Mount Lenses - On Sale
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SIGMA MOUNT CONVERTER MC-21 for the L Mount system by SIGMA UK camera ambassador Paul Monaghan – Sigma UK
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