Nikon D780 Reference Manual page 507

4
Adjust shutter speed and aperture.
5
Take pictures.
D
Shutter Speed
Shutter speed can be set as follows when an optional flash unit is used:
Mode
b , P, A, EFCT ( j and
m excluded)
S
M
* Shutter speed may be set as slow as 30 s if slow sync, slow rear-curtain
sync, or slow sync with red-eye reduction is selected for flash mode.
D
Use Only Nikon Flash Accessories
Use only Nikon flash units. Negative voltages or voltages over 250 V
applied to the accessory shoe could not only prevent normal operation,
but damage the sync circuitry of the camera or flash.
Set automatically by camera (
Value selected by user (
Value selected by user (
On-Camera Flash Photography
Shutter speed
1
/
200
1 / s–30 s)
200
1
/ s–30 s, Bulb, Time)
200
1 *
s– / s)
60
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