Nikon D780 DSLR Camera (Body Only) - Manual (Page 323)

277 Options for Movie Recording and Editing
Saving Selected Frames
To save a copy of a selected frame as a JPEG still:
1
Pause the movie on the desired
frame.
Play the movie back as described in
“Viewing Movies” (
0 53), pressing J
to start and resume playback and 3
to pause. Pause the movie at the
frame you intend to copy.
2
Choose [Save current frame].
Press the i button, then highlight
[ Save current frame ] and press J to
create a JPEG copy of the current
frame. The image will be recorded at
the dimensions selected for [
Frame
size/frame rate ] in the movie shooting menu.
A Save Current Frame
JPEG movie stills created using [ Save current frame ] cannot be
retouched. JPEG movie stills lack some categories of photo information
(
0 366).