Nikon D780 Reference Manual page 896

Movie
Metering
system
Metering
mode
Frame size
(pixels) and
frame rate
File format
Video
compression
Audio
recording
format
Audio
recording
device
850 Technical Notes
TTL metering using camera image sensor
Matrix, center-weighted, or highlight-weighted
•
3840 × 2160 (4K UHD); 30p (progressive), 25p, 24p
•
1920 × 1080; 120p, 100p, 60p, 50p, 30p, 25p, 24p
•
1920 × 1080 (slow-motion); 30p ×4, 25p ×4, 24p ×5
* Actual frame rates for 120p, 100p, 60p, 50p, 30p, 25p,
and 24p are 119.88, 100, 59.94, 50, 29.97, 25, and
23.976 fps respectively
* Quality selection available at all sizes except 3840 ×
2160, 1920 × 1080 120p/100p, and 1920 × 1080 slow-
motion, when quality is fixed at m (high)
MOV, MP4
H.264/MPEG-4 Advanced Video Coding
Linear PCM, AAC
Built-in stereo or external microphone with attenuator
option; sensitivity adjustable