Quote Originally Posted by mopar_guy View Post
The word excellent starts with an "E", not an "X". It sounds like a Wollensack shutter with the delay for synchronization of flash bulbs.

The "F-X" setting is for "Fast" peak flash bulbs or for electronic flash. In this setting, the flash contact is closed as soon as the shutter is open.
The "M" settings delay the shutter from opening after the flash contact is closed and they are meant to synchronize "Medium" peak flash bulbs.

It is a Wollensack. I've used it before in a studio enviroment, but for some unknown reason, I switched the damn thing to M ...

Brain fart