genuine original petri petriflex 1960's SLR to m42 mount adapter not infinity
genuine early Yashica Pentamatic bayonet to m42 adaptor 1960's & case
asahi PENTAX PK m42 mount Adapter K m42 lenses to k mount 30120
later original pentax PK m42 mount adapter to fit m42 lenses to pk cameras
Tamron Adaptall to Pentax S/m42 Mount Adapter - M1239
Pentacon Microscope Attachment Piece Boxed M42 Mount With Instructions Excellent
