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High speed and rear curtain sync settings
High speed synchronisation
Synchronous operation of the ash can be set for cameras with
higher shutter speeds, up to 1/8000s.
Rear curtain sync
Using a slow shutter speed, you can create light trails or moving
marks after your subject. A ash normally synchronises to the camera
shutter when it opens. For slow shutter photography, the ash res
just before the shutter closes (second curtain sync).
Canon: Ensure the speedash is on the camera and set in high speed
sync / rear curtain sync mode and in TTL or M mode. In ordinary
ash (rst curtain sync) no icon is shown in the display. Press the
‘right clear’ button to scroll through high speed synchronisation
and then rear curtain sync (second curtain sync)
and
select required function.
Nikon: On Nikon cameras, high speed synchronisation cannot be set
directly from the speedash. In the camera menu, select ‘auto FP’,
connect the camera, and ash screen will display
immediately.
If you need the rear curtain synchronous mode, open the rear
curtain sync function on the camera settings (no icon shown on ash
display).
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