:: Paul
PhaseOne - Leica S adapter: Unfortunately impossible because the flange distance of PhaseOne is much longer than of Leica S.
Only Alpa or Bo Ming (Conurus/Metabones) could consider to make a Leica S - Canon EF adapter with autofocus and auto aperture to use on Canon, FPS and Hartblei cameras.
PhaseOne - Leica S adapter: Unfortunately impossible because the flange distance of PhaseOne is much longer than of Leica S.
Only Alpa or Bo Ming (Conurus/Metabones) could consider to make a Leica S - Canon EF adapter with autofocus and auto aperture to use on Canon, FPS and Hartblei cameras.