Canon EOS Rebel T5i 18-55mm IS STM Lens Kit - Manual (Page 126)

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This function reduces the noise generated in the image. Although noise
reduction is applied at all ISO speeds, it is particularly effective at high
ISO speeds. At low ISO speeds, the noise in the darker parts of the
image (shadow areas) is further reduced. Change the setting to suit the
noise level.
1 Select [High ISO speed NR].
Under the [z3] tab, select [High ISO
speed NR], then press <0>.
2 Set the setting.
Select the desired setting, then press
<0>.
X
The setting screen closes and the
menu will reappear.
[M: Multi Shot Noise Reduction]
Noise reduction with higher image quality than when [High] is
applied. For a single photo, four shots are taken continuously and
aligned and merged automatically into a single JPEG image.
3 Take the picture.
The image will be recorded with noise
reduction applied.
3 Noise Reduction SettingsN
High ISO Speed Noise Reduction
With [High] or [Multi Shot Noise Reduction], the maximum burst for
continuous shooting will greatly decrease.
COP
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