Livesteamer
Well-known
I believe the F and rangefinder cassettes are interchangeable. The only Nikon cassettes that will not work are the AM1 for the F2 and the large ones for the 250 exposure back. Contax cassettes are just a little different and will not work. Watch e bay and they can be found from time to time at a good price. My Nikon S came with four cassettes and I used them in my F and S all thru college. Back then I loaned the S to a friend whose Petri SLR had died and he came back amazed by the 50mm f2.0 lens. Good Luck, Joe