I have the Panasonic GH2 with the 14-140 lens and a 50mm Nikkor 1.4 Prime with adapter. I found a vintage Olympus Pen-D camera with 33mm 1.9 lens. This camera system is somewhat of a forerunner to the current Olympus Pen series units. I could find nothing on the web as to what type of mount this tiny, old lens uses. Anyone out there know this unit and if there is an adapter to micro 4/3 available?