E2: Flash Shutter Speed - Nikon D750 User Manual

❚❚ Auto FP High-Speed Sync
When 1/250 s (Auto FP) or 1/200 s (Auto FP) is selected for
Custom Setting e1 (Flash sync speed, 0 345), the built-in flash
can be used at shutter speeds as fast as
compatible optional flash units (0 435) can be used at any
shutter speed (Auto FP High-Speed Sync).
Flash sync speed 1/250 s (Auto FP)
Built-in
flash
Shutter speed
/
From 1 to but not
4000
/
including 1 s
250
/
From 1 to but not
250
/
including 1 s
200
/
1 –30 s
200
* Flash range drops as shutter speed increases. Flash range will nevertheless be greater than that
obtained at the same speeds with Auto FP.

e2: Flash Shutter Speed

This option determines the slowest shutter speed available
when using front- or rear-curtain sync or red-eye reduction in
mode P or A (regardless of the setting chosen, shutter speeds can
be as slow as 30 s in S and M modes or at flash settings of slow
sync, slow rear-curtain sync, or red-eye reduction with slow
sync).
346
/ s or
1
250
1/200 s (Auto FP)
Optional Optional
Built-in
flash flash
flash
unit unit
— Auto FP — Auto FP
Flash sync — Auto FP
*
Flash sync
G button ➜ A Custom Settings menu
/ s, while
1
200
1/200 s
Optional
Built-in
flash
flash
unit
— —
— —