Pentax PK/K/KR Mount to Sony E Mount Adapter

Sony NEX/E mount to Pentax K/PK/Ricoh KR mount adapter. This allows use of Pentax K or Ricoh KR-mount lenses on a Sony NEX body (or other Sony E-mount body). The flange to flange distance of this adapter is technically 26.06mm, but as printed on my Makerbot Replicator 2 it is at 26.85mm, allowing infinity focus with a little margin. You may need to tweak the Z scale up/down by 1% or so to make it work with your printer.

For reference, the Sony E mount flange focal distance is 18mm, and Minolt