Nikon D7000 User Manual page 244

Manual
Choose a flash level between Full and 1/128 (
built-in flash has a Guide Number of 12/39 (m/ft., ISO 100, 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
Output Choose flash output (expressed as a fraction of full power).
Choose the number of times the flash fires at the selected
output. Note that depending on shutter speed and the
Times
option selected for Frequency, the actual number of flashes
may be less than selected.
Frequency Choose how often the flash fires per second.
A
Flash Control Mode
The flash control mode for the built-in flash is shown in the
information display.
A
"Manual" and "Repeating Flash"
Y icons blink in the control panel and viewfinder when these options are selected.
A
The SB-400
When an optional SB-400 flash unit is attached and turned on, Custom
Setting e3 changes to Optional flash, allowing the flash control mode
for the SB-400 to be selected from TTL and Manual (Repeating flash
and Commander mode options are not available).
A
"Times"
The options available for Repeating Flash > Times are determined by flash output.
Output
1/4
1/8
1/16
U
224
Description
Options available for "Times"
2
2–5
2–10
1
/ of full power). At full power, the
128
Output Options available for "Times"
1/32 2–10, 15
2–10, 15, 20, 25
1/64
2–10, 15, 20, 25, 30, 35
1/128