KIPON start to deliver two smart adapters as below for using electronical Mamiya645 mount lenses on SONY E mount cameras,
KIPON MAMIYA645-SONY E (for Mamiya brand Mamiya645 mount lenses)
KIPON MAMIYA645-SONY ES(for Phase one or Schneider brand Mamiya645 mount lenses)
these two adapters can control the lens iris electronically through SONY E mount camera body.
Now these two adapters avaliable from the market,pls inquiry KIPON dealers in different countries or direct contact us.