Nikon D3X - Manual (Page 326)

300
U
Long Exp. NR (Long Exposure Noise Reduction)
Choose whether to reduce noise in pictures taken at slow shutter
speeds.
High ISO NR
Photographs taken at high ISO sensitivities can be processed to
reduce “noise.”
Option Description
On
Photographs taken at shutter
speeds slower than 8s are
processed to reduce noise.
While photographs are being
processed, “l m” will blink
in the shutter speed/aperture
displays for a period of time
approximately equal to the
current shutter speed. In
continuous release mode, frame
rates will slow and the capacity of the memory buffer will
drop. Photographs can not be taken until processing is
complete and “l m” has cleared from the displays.
Noise reduction will not be performed if the camera is
turned off before processing is complete.
Off (default) Long exposure noise reduction off.
Option Description
S High Noise reduction is performed at ISO sensitivities of
ISO 500 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
(default)
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].
SHOOT
CUSTOM