Quote Originally Posted by michael stevens View Post
I had an FE-2 which did this when I bought it; maybe you have the same problem. In my case it turned out to be the contact inside the camera which senses the aperture. I assume it was dirty or slightly corroded through disuse. Try repeatedly turning the aperture ring backwards and forwards from wide open to fully stopped down. It took quite a lot of twisting, but in my case it worked in the end.
Do you recommend twisting the aperture ring repeatedly with the camera meter turned on, or with the meter off? I don't know if the jumpy needle problem is on the aperture lever on the camera mount or in the actual needle itself.