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4. Flashgun instructions to the camera
The mecablitz transmits different signals and
messages to the camera when it is connected to
the camera and is switched on.
4.1 Flash-ready indication
The green light on the mecablitz illuminates
when the flash capacitor is fully primed, thereby
indicating flash readiness. This means that flash
can be used for the next exposure. The flash rea-
diness signal is transmitted to the camera where it
is indicated by a corresponding display in the
camera’s viewfinder. Depending on the selected
operating mode, the camera is changed to flash
sync speed when flash readiness is reached. The
flash will not be fired if the shutter is released
before the flash ready light illuminates with the
result that the exposure may be incorrect if the
camera control circuit has already changed over to
flash sync speed. Please refer to the camera’s
operating instructions for further details.
4.2 Automatic flash sync speed control
Flash readiness has the following effect on
system cameras:
Camera mode:
Effect:
Programmed auto exposure mode [P]:
Camera changes to 1/30 - 1/250 sec. flash sync
speed, depending on camera model.
Aperture priority mode[Av]:
As in [P]
Shutter priority mode [Tv]:
Shutter speeds can be set on the camera that
equal or are slower than the sync speed.
Manual mode [M]:
As in [Tv]
Note: If (independent of the operating mode) a
shutter speed faster than the flash sync speed is
set on the camera, the camera will automatically
change to flash sync speed when flash readiness
is reached.
Refer to the camera's operating instructions for
details.