Nikon D4S Manuale Utente

205

l

A

Rear-curtain sync can not be used with studio flash systems, as the 
correct synchronization can not be obtained.

A

Shutter speed and aperture can be set as follows when an optional flash 
unit is used:

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

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).