Originally Posted by wilper
How about Pentax ME?
No manual shutter speed selection, but it does aperture priority like you requested.
It uses ordinary LR44 batteries. Uses Pentax K-mount lenses.
Or better, the ME Super instead. Manual shutter speeds 4 seconds to 1/2000, 1/125 flash sync, ASA 12 to 1600.
Inexpensive, easy to find.
I do use a digital device in my photographic pursuits when necessary.
When someone rags on me for using film, I use a middle digit, upraised.