Nikon D4S User Manual
Page 227
205
l
A
Studio Flash Systems
Rear-curtain sync can not be used with studio flash systems, as the
correct synchronization can not be obtained.
A
Shutter Speed and Aperture
Shutter speed and aperture can be set as follows when an optional flash
unit is used:
Mode
Shutter speed
Aperture
See page
e
Set automatically by camera
(
1
/
250
s–
1
/
60
s)
1, 2
Set automatically
by camera
f
Value selected by user
(
1
/
250
s–30 s)
2
g
Set automatically by camera
(
1
/
250
s–
1
/
60
s)
1, 2
Value selected by
user
3
h
Value selected by user
(
1
/
250
s–30 s, A, %)
2
1 Shutter speed may be set as slow as 30 s in slow sync, slow rear-curtain
sync, and slow sync with red-eye reduction flash modes.
2 Speeds as fast as
1
/
8000
s are available with optional flash units that support
auto FP high-speed sync when 1/250 s (Auto FP) is selected for Custom
Setting e1 (Flash sync speed,
3 Flash range varies with aperture and ISO sensitivity. When setting aperture
in exposure modes g and h, consult the table of flash ranges provided with
optional flash unit.
A
See Also
For information on choosing a flash sync speed, see Custom Setting e1
(Flash sync speed,
0 331). For information on choosing the slowest
shutter speed available when using the flash, see Custom Setting e2
(Flash shutter speed,
0 332). For information on turning the flash on or
off using the Fn button, see Custom Setting f3 (Assign Fn button,
0 337).