Micro 4/3 body + Mamiya 645/Phase One lens
COMPATIBLE MF MA AF
Fortunately the flange focal depth allows conversion.
Medium format systems have much more base depth than mirrorless cameras, so there are no physical obstacles to install such lenses on machines with M4/3 sensors. However, take into consideration that you'll get a huge crop factor, because the 645 projects an even bigger picture than a fullframe, and the 4/3 has a crop ratio of 2* compared to a full-frame rectangle.
You can find simple adapters for joining the two systems here:
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