Well, i got back my transparencies, and the Schneider did pretty good
at f22, although the difference was hard to tell from the f32, perhaps a
little bit sharper.  The diffraction effects are hard to see, if any.
      What i DID notice, even at f22, is something that might ...

 While away for Thanksgiving I stopped into the NCSU library
and took in the photo show they are having , the "prints"
were some sort of paper (diffinately not silver) mounted on board
about 24x30. The thing that struck me however was the majority