"Bruce" wrote in message
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I would like to see Sigma take m4/3 seriously, but that would mean
making lenses with focal lengths that were suited to the target market
rather than just sticking an m4/3 mount on lenses for APS-C.

... although optically preferable to sticking an APS-C mount on a 4/3 or
micro-4/3 lens! G

David