Nikon D300s - Manual (Page 310)

284
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❚❚Manual
Choose a flash level between
Full and 1/128 (
1 /
128
of full power). At
full power, the built-in flash has a Guide Number of 17/56 (m/ft.,
ISO 200, 20°C/68°F).
❚❚Repeating Flash
The flash fires repeatedly while the shutter
is open, producing a strobe-light effect.
Press
4 or 2 to highlight the following
options, 1 or 3 to change.
Option Description
Output Choose flash output (expressed as a fraction of full power).
Times
Choose the number of times the flash fires at the selected
output. Note that depending on shutter speed and the
option selected for
Frequency, the actual number of
flashes may be less than selected.
Frequency Choose how often the flash fires per second.
A “Times“
The options available for
Times are determined by flash output.
Output Options available for Times
1/4 2
1/8 2–5
1/16 2–10
1/32 2–10, 15
1/64 2–10, 15, 20, 25
1/128 2–10, 15, 20, 25, 30, 35