Following up here.

Daniel, not a bad idea to look for a congo at the shorter focal length. That is something I might consider down the road if I don't end up finding a Xenar.

I had the wonderful experience of using a virtual drum scanner for the first time yesterday. I scanned the negatives that I'd shot with the Prinz. I am really happy with the results, both from the lens and the scanner. Finally seeing the negatives inverted and scanned in such high resolution has been a great learning experience about shooting with my new (and first) large format camera.

I am not familiar with the best way to share images on this forum, but I'll just try attaching them to the post and see how it likes it.

EDIT: The images are being significantly compressed when I upload directly to the post. Any tips on the best way to share them here to avoid such drastic compression?

EDIT: Figured it out, I think.