Nikon D7100, User Manual

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245
U
❚❚
Auto FP High-Speed Sync
When
1/320 s (Auto FP)
or
1/250 s (Auto FP)
is selected for Custom Setting e1
(
Flash sync speed
,
0
244), the built-in flash can be used at shutter speeds as fast as
1
/
320
s or
1
/
250
s, while compatible optional flash units (
0
305) can be used at any
shutter speed (Auto FP High-Speed Sync).
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). Options range from
1
/
60
s (
1/60 s
) to 30 s (
30 s
).
Flash sync speed 1/320 s (Auto FP) 1/250 s (Auto FP) 1/250 s
Shutter speed
Built-in flash
Optional
flash unit
Built-in flash
Optional
flash unit
Built-in flash
Optional
flash unit
From
1
/
8000
to but
not including
1
/
320
s
— Auto FP — Auto FP — —
From
1
/
320
to but
not including
1
/
250
s
Flash sync
*
— Auto FP — —
1
/
250
–30 s Flash sync
* 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
G
button ➜
A
Custom Settings menu