Nikon D7500 Reference Manual - English - Page 71

High ISO NR, Flicker Reduction, Flicker Reduction in the Movie Shooting Menu

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High ISO NR G button ➜ 1 movie shooting menu Reduce "noise" (randomly-spaced bright pixels) in movies recorded at high ISO sensitivities (0 45). Flicker Reduction G button ➜ 1 movie shooting menu Reduce flicker and banding when shooting under fluorescent or mercury-vapor lighting during live view or movie recording. Choose Auto to allow the camera to automatically choose the correct frequency, or manually match the frequency to that of the local AC power supply. D Flicker Reduction in the Movie Shooting Menu If Auto fails to produce the desired results and you are unsure as to the frequency of the local power supply, test both the 50 and 60 Hz options and choose the one that produces the best results. Flicker reduction may not produce the desired results if the subject is very bright, in which case you should try choosing a smaller aperture (higher f-number). To prevent flicker, select mode M and choose a shutter speed adapted to the frequency of the local power supply: 1/125 s, 1/60 s, or 1/30 s for 60 Hz; 1/100 s, 1/50 s, or 1/25 s for 50 Hz. Menu Guide 71

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71
Menu Guide
Reduce “noise” (randomly-spaced bright pixels) in movies
recorded at high ISO sensitivities (
0
45).
Reduce flicker and banding when shooting under fluorescent or
mercury-vapor lighting during live view or movie recording.
Choose
Auto
to allow the camera to automatically choose the
correct frequency, or manually match the frequency to that of
the local AC power supply.
High ISO NR
G
button
➜
1
movie shooting menu
Flicker Reduction
G
button
➜
1
movie shooting menu
D
Flicker Reduction in the Movie Shooting Menu
If
Auto
fails to produce the desired results and you are unsure as to the
frequency of the local power supply, test both the 50 and 60 Hz options
and choose the one that produces the best results. Flicker reduction
may not produce the desired results if the subject is very bright, in
which case you should try choosing a smaller aperture (higher
f-number). To prevent flicker, select mode
M
and choose a shutter speed
adapted to the frequency of the local power supply:
1
/
125
s,
1
/
60
s, or
1
/
30
s
for 60 Hz;
1
/
100
s,
1
/
50
s, or
1
/
25
s for 50 Hz.