Nikon D750 DSLR Camera (Body Only) - Manual (Page 511)

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Flash control TTL : i-TTL flash control using RGB sensor with
approximately 91K (91,000) pixels is available
with built-in flash; i-TTL balanced fill-flash for
digital SLR is used with matrix, center-weighted,
and highlight-weighted metering, standard
i-TTL flash for digital SLR with spot metering
Flash mode Auto, auto with red-eye reduction, auto slow
sync, auto slow sync with red-eye reduction, fill-
flash, red-eye reduction, slow sync, slow sync
with red-eye reduction, rear-curtain with slow
sync, rear-curtain sync, off; Auto FP High-Speed
Sync supported
Flash compensation –3 – +1 EV in increments of 1 /
3
or 1 /
2
EV
Flash-ready indicator Lights when built-in flash or optional flash unit
is fully charged; blinks after flash is fired at full
output
Accessory shoe ISO 518 hot-shoe with sync and data contacts
and safety lock
Nikon Creative Lighting
System (CLS) Nikon CLS supported; commander mode
option available
Sync terminal AS-15 sync terminal adapter (available
separately)
White balance
White balance Auto (2 types), incandescent, fluorescent
(7 types), direct sunlight, flash, cloudy, shade,
preset manual (up to 6 values can be stored,
spot white balance measurement available
during live view), choose color temperature
(2500 K–10000 K), all with fine-tuning
Flash