Nikon Df User Manual page 147

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
Set automatically by camera
P
(
Value selected by user
S
Set automatically by camera
A
(
Value selected by user
M
1
( /
200
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 When 1/250 s (Auto FP) or 1/200 s (Auto FP) is selected for Custom
Setting e1 (Flash sync speed, 0 257), speeds as fast as
available with optional flash units that support auto FP high-speed sync.
3 Flash range varies with aperture and ISO sensitivity. When setting
aperture in exposure modes
provided with optional flash unit.
A
See Also
For information on choosing a flash sync speed, see Custom Setting e1
(Flash sync speed,
shutter speed available when using the flash, see Custom Setting e2
(Flash shutter speed,
Shutter speed
1 1 1, 2
/ s– / s)
200 60
1 2
( / s–30 s)
200
1 1 1, 2
/ s– / s)
200 60
s–30 s, Bulb, Time)
A and M
0 257). For information on choosing the slowest
0 258).
Aperture
Set automatically
by camera
Value selected
by user
2
, consult the table of flash ranges
See page
38
39
41
3
42
1
/ s are
4000
l
127