Nikon D780 DSLR Camera (Body Only) - Manual (Page 513)

467 On-Camera Flash Photography
D Studio Strobe Lighting
Rear-curtain sync cannot be used with studio flash systems, as the correct
synchronization cannot be obtained.
M
[ Rear-curtain
sync ] (rear-
curtain sync)
The flash fires just before the
shutter closes, creating the effect
of a stream of light behind
moving light sources. Use of a
tripod is recommended to
prevent blurring caused by
camera shake. Selecting
P or A
after choosing this option sets
the flash mode to slow sync.
P , S , A , M
s [ Flash off ] The flash does not fire.
b , P , S , A ,
M , EFCT
Option Description Available in