Here you go, side-by-side. Excuse the quality of the quick kitchen table top shot. No time to set up a "studio".
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Disclaimer for the old and bitter among us: no robberies, banking scams, capitalisation on the poor and unfortunate have been performed, affiliation with governments bureaucracies established, trust funds used, or anything unethical or morally questionable involved in acquisition of these cameras. In fact besides F3 and the two MF lenses none of them have been really "acquired".
As a side-note: I never fully understood fascination with F3 (partially - yes). Sure, it's a great camera, built like a tank, functions wonderfully, but too small, too awkward to hold. Df feels much better in hand.