Nikon D90 - Manual (Page 205)

185
L
e: Bracketing/Flash
e1: Flash Shutter Speed
This option (available only in P and A modes) determines the slowest shutter speed
available when using front- or rear-curtain sync or red-eye reduction in modes P and
A
(regardless of the setting chosen, shutter speeds can be as slow as 30 s in modes S
and M or at flash settings of slow sync, slow rear-curtain sync, or red-eye reduction
with slow sync). Options range from
1 /
60
s (1/60 s, the default setting) to 30 s (30 s).
e2: Flash Cntrl for Built-in Flash
Choose the flash mode for the built-in flash. This option is available in P, S, A, and M
modes only.
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 e2 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).
Option Description
1
TTL
(default)
Flash output is adjusted automatically in response to shooting conditions.
2 Manual Choose the flash level (pg. 187).
3
Repeating
flash The flash fires repeatedly while the shutter is open, producing a strobe-
light effect (pg. 187).
4
Commander
mode Use the built-in flash as a master flash controlling one or more remote
optional flash units (pg. 188).