Fotodiox Pro Adapter, Mamiya 645 M645 Lens to Pentax K-Mount, PK Camera Mount Adapter -- forPentax K-5, K-r, K-x, K-7, x70, X90, K200d, K20d, K100D Super, K10D, K110D,K100D, *ist DL2, *ist DS2, *ist DL, *ist DS, K1000, K2000