Today’s site of the day is an obvious pick. apug.org
This is a very good site for photographers who use analog media, film.
It has all kinds of forum topics that are available, from cameras, to film, to darkroom techniques to camera building. This is an incredible reference.
Simply put, there is so much at this site, that I would do it a disservice to call out many of the topics. For this one, you’ll just have to go thee