Diaphragm blades stuck in place
I have a Canon AE-1 Program, and after developing three rolls of film and having them turn out blank, I realized that the blades of my diaphragm inside all of my 3 lenses are stuck. The rest of the camera appears to work fine, and when developed, the film develops correctly to show the text on the film but absolutely nothing comes out in the frames. It's as if the roll was developed straight from the box. The aperture blades on all of my cameras are stuck at a very high f stop, so the diaphragm is very closed. Any ideas? Thank you!