E2: Flash Shutter Speed - Nikon D300S User Manual

Flash Control at 1/320 s (Auto FP)
When 1/320 s (Auto FP) is selected for Custom Setting e1 (Flash
sync speed, 0 281), the built-in flash can be used at shutter
speeds as fast as
SB-R200 flash units can be used at any shutter speed (Auto FP High-
Speed Sync).
Flash sync speed
Shutter speed
1 1
/ – /
8,000 320
1 1
/ – / s
320 250
1
/ –30 s
250
* Flash range drops as shutter speed increases. Flash range will nevertheless
be greater than that obtained at the same speeds with Auto FP.
D
The Flash-Ready Indicator
When the flash fires at full power, the flash-indicator in the camera
viewfinder will blink to warn that the resulting photograph may be
underexposed. Note that the flash-ready indicators on optional flash
units will not display this warning when 1/320 s (Auto FP) is selected.

e2: Flash Shutter Speed

This option determines the slowest shutter
speed available when using front- or rear-
curtain sync or red-eye reduction in
programmed auto or aperture-priority auto
exposure modes (regardless of the setting
chosen, shutter speeds can be as slow as 30 s
in shutter-priority auto and manual exposure modes or at flash
settings of slow sync, slow rear-curtain sync, or red-eye reduction
with slow sync). Options range from
U
282
1
/ s, while optional SB-900, SB-800, SB-600, and
320
1/320 s (Auto FP)
Built-in Optional
flash flash unit
s — Auto FP
*
Flash sync
1/250 s (Auto FP)
Built-in Optional
flash flash unit
— Auto FP
— Auto FP
Flash sync
G button
s (1/60 s) to 30 s (30 s).
1
/
60
1/250 s
Built-in Optional
flash flash unit
— —
— —
A Custom Settings menu