(Pen F to Fuji X) The Olympus Pen F was a unique half-frame film camera system from the 1960s producing lenses with a distinctive character. The Pen F lenses, while designed for a smaller image circle, can produce interesting results on APS-C sensors. This Fotodiox adapter allows Olympus Pen F lenses to be used on Fuji X mount bodies, opening up a rare and interesting range of vintage glass.
I only have 2 lenses but they are tiny - for their focal length and fun to use.