I have some scanned prints that were made at the same place from similar quality 200 asa film negs. One is the one I posted earlier from the Olympus (steam loco). The others are zeiss 1.7 with tripod, Yashica ML 1.9 and Canon 100mm f2.8. I scanned them on the same settings on the same scanner to compare. Can you tell which is which apart from the Olympus which I'm sure isn't quite so good?
This isn't easy with different motifs and probably different apertures used, but I'll give it a go: