Did Leica just veto the Sigma MC-21 Canon EF adapter for L-mount? So much for an alliance!

Above: The Sigma MC-21 adapter was to give Canon EF lens owners the ability to use their lenses on all L-mount mirrorless cameras including the Panasonic S1

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What’s the point of having an alliance around a single lens mount if the adapters and lenses don’t work on every camera?

That’s the big question Panasonic, Leica and Sigma should be asking themselves today.

Read moreDid Leica just veto the Sigma MC-21 Canon EF adapter for L-mount? So much for an alliance!