Nikon D100 Manual page 161

Custom Setting 4: Long Exp. NR
At shutter speeds slower than about
in the form of randomly-spaced, brightly-colored
pixels may appear in photographs, particularly in
shadows. Custom Setting 4 can be used to re-
duce noise at slow shutter speeds.
Option
OFF
(default)
ON
Playback
If photographs are played back while they are being processed to reduce noise, the
image that is displayed in the monitor may not show the effects of noise reduction.
The Memory Buffer
When noise reduction is on, the memory buffer (
images (two in RAW mode).
1
Noise reduction off; camera functions normally.
Noise reduction takes effect at shutter
1
speeds of about /
2
quired to process images more than dou-
bles. During processing,
blinks in shutter-speed and aperture dis-
plays. Next photo can be taken when
displayed.
Fine-Tuning Camera Settings
/ s, "noise"
2
Description
s or slower. Time re-
42) can store a maximum of three
CSM MENU
F4 Long Exposure
Noise Reduction
OFF
OFF
ON
ON
is no longer
OK
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