Nikon D300s - Manual (Page 285)

259
U
Photographs taken at high ISO sensitivities can be processed to
reduce “noise.”
High ISO NR
G
button ➜ C shooting menu
Option Description
S High
Noise reduction is performed at ISO sensitivities of ISO
800 and higher. While photographs are being processed,
the capacity of the memory buffer will drop. Choose the
amount of noise reduction performed from
High,
Normal, and Low.
T Normal
U Low
Off
Noise reduction is only performed at sensitivities of Hi 0.3
and higher. The amount of noise reduction is less than
the amount performed when
Low is selected for High
ISO NR.