Originally Posted by Kiron Kid
I just fired my FM and an FE, and they sound identical at 1/15 a second shutter speed. And, the self timer activates the mirror lock-up on the FM, FE and FE-2.
I think I could hear the differences in sound at 1/15. Of course at lower speeds it would be clearly different. The FM would have the timing sound while the FE does not.