Quote Originally Posted by AgX View Post
The shutter should still work even with the aperture activator locked by mistake behind the aperture lever of the lens and the DOF-preview button released again.
Or... the NEW-F1 has a very special security lock with position control of the activator. Is that so? (The T-90 has not.)
I'm pretty sure that was a fatal lockup state for the original F-1, but I no longer have any of those and haven't actually tried it with a new one...

Duncan