Nikon D300 User Manual page 91

Hi Manual
Choose a flash level between [Full] and [1/128]
(1/128
of full power).
At full power, the built-in flash hasa Guide Number of 18/59 (m/ft.,
ISO 200, 20°C/68°F).
II RepeatingFlash
The flash fires repeatedly while the shutter
is open, producing a strobe-light effect.
Press • or I_ to highlight the following
options, • or • to change.
Description
Output Choose flash output [expressed as a fraction of full power).
Choose the number of times the flash fires at the selected
Times 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.
[] "Times"
The options available for [Times] are determined by flash output.
Output Options a vailablefor [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 2-1 O, 15, 20, 25, 30, 35
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