Using Flash; Precaution When Using Flash - Mamiya M645 Super User Manual

The bracket o f a handle-mount flash
can attached to the camera's
unit be
tripod socket. A shoe-mount flash can
be attached to the camera's Hot-shoe
or the Hot-shoe of the Left Hand Grip.
*The Mamiya M645 Super has an
(1) When using an electronic flash,
plug the synchronization cord into
the sync terminal and set the Shut-
ter Speed Dial to 1/60 sec. or
longer.
Flash Synchronization Chart