Nikon Z9 Mirrorless Camera - Manual (Page 306)

306 Recorders
D Frame Rates for [Output Resolution] Options Other Than [Auto]
Video recording rates of 120p, 100p, 60p, or 50p will be adjusted as follows if
not compatible with the frame rate chosen for the external recorder.
• 120p: The frame rate will first drop to 60p. If 60p is also not supported, it
will drop to 30p.
• 100p: The frame rate will first drop to 50p. If 50p is also not supported, it
will drop to 25p.
• 60p: The frame rate will drop to 30p.
• 50p: The frame rate will drop to 25p.
D Frame Rates for an [Output Resolution] of [720p (progressive)]
Footage filmed at a frame rate of 120p, 60p, 30p, or 24p is output at 60p.
Footage filmed at 100p, 50p, or 25p is output at 50p.
D Caution: Filming with Memory Cards
Footage filmed at a frame size of 7680 × 4320 or at a frame size and rate of
3840 × 2160; 120p or 3840 × 2160; 100p will not be output via HDMI if
[
4320p (progressive) ] or [ 2160p (progressive) ] is selected for [ HDMI ] >
[ Output resolution ] in the setup menu. Remove the memory cards from the
camera and record the footage to the external recorder.