Nikon D5100 Reference Manual page 127

Movie Settings
Choose movie quality and sound options.
• Movie quality: Choose from the following options. The frame rate depends on
the option currently selected for Video mode in the setup menu (0 170):
Movie quality
Frame size (pixels)
r
s
1920 × 1080
k
l
o
1280 × 720
m
n
640 × 424
p
1 Available when NTSC is selected for Video mode.
2 Not output to televisions or other external displays during recording.
3 Available when PAL is selected for Video mode.
4 Movies recorded in miniature effect mode are up to 3 minutes long when played back.
• Microphone: Selecting Microphone off turns sound recording off; selecting any
other option turns recording on and sets the built-in microphone or optional ME-1
stereo microphone (0 207) to the selected sensitivity.
1
Select Movie settings.
Press the G button to display the menus.
Highlight Movie settings in the shooting
menu and press 2.
2
Choose movie options.
Highlight the desired item and press 2, then
highlight an option and press J.
A
Using an External Microphone
The optional ME-1 stereo microphone can be used to record sound in stereo or to reduce
noise caused by lens vibration being recorded during autofocus.
D
The Count-Down Display
A count down will be displayed 30 s before movie recording ends automatically (0 103).
Depending on shooting conditions, the timer may appear immediately when movie
recording begins. Note that regardless of the amount of recording time available, live view
will still end automatically when the timer expires. Wait for the internal circuits to cool
before resuming movie recording.
Quality
Frame rate
1, 2
30 fps
2, 3
25 fps
24 fps
1
30 fps
high/normal
3
25 fps
24 fps
1
30 fps
3
25 fps
Bit rate
(high/normal quality)
18 Mbps/10 Mbps
10 Mbps/6 Mbps
8 Mbps/5 Mbps
4 Mbps/2 Mbps
G button
Maximum
length
4
20 min.
y
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