Nikon D780 Reference Manual page 171

3
Display options.
Press J to display miniature effect
options.
4
Choose the orientation and
size of the area that will be in
focus.
•
Press 4 or 2 to choose the
orientation of the area that will be
in focus.
•
Press 1 or 3 to choose the width of the area that will be in
focus.
5
Press J .
Press J to save changes; the selected effect will be applied
during shooting.
A
Movies
Miniature effect movies play back at high speed. For example,
approximately 15 minutes of footage shot with 1920 × 1080/30p selected
for [Frame size/frame rate] in the movie shooting menu will play back in
about a minute.
Shooting Settings
125