It worked! When I was in the USAF in the early 1950s, we bought the unexposed "ends" of movie Kodachrome and spooled it into cartridges, which I used in my Leica IIIa. It worked fine. Jim Nichols Tullahoma, TN USA On 2/14/2018 10:27 AM, Peter Dzwig wrote: > That's a really interesting perspective. After all the Ur-Leica was designed to > use cinefilm! > > Peter > >