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On some types of cameras there is no flash rea-
diness indicated. Should this be the case, then
please observe the flash readiness information
given on the flash unit!
4.3 Automatic flash sync speed control
Depending on the camera type and camera mode,
the shutter speed changes to flash sync speed
when the flash unit is switched on or when flash
readiness is established (e.g. Olympus E-1, E-300,
E-330, E-500; see camera manual).
Shutter speeds faster than the flash sync speed
cannot be set or will automatically be converted to
flash sync speed. Various cameras offer a sync
speed range. The sync speed set by the camera
then depends on the camera mode, the ambient
light and the focal length of the lens used. Shutter
speeds slower than the flash sync speed can also
be used, depending on the camera mode and the
selected flash synchronisation.
There is no automatic flash sync speed con-
trol on digital cameras working with a dia-
phragm shutter. For system-inherent reasons,
flash can therefore be used at all shutter
speeds. If the full light output of the flash unit
is required, shutter speeds faster than
1/125 s should not be set.
4.4 Correct exposure confirmation on the flash unit
“OK” correct exposure confirmation is only given
on the flash unit if the shot was correctly exposed
in TTL flash mode or in the auto flash mode „A“.
If “OK” is not displayed after exposure then this
means that the shot was underexposed. The shot
will then have to be repeated with the next smaller
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