Olympus C-4040 Zoom - Manual (Page 114)

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Noise Reduction
Chapter 6
This function reduces the noise that appears on images during long
exposures. When shooting night scenes, shutter speeds become slower and
noise tends to appear on images. When noise reduction is set to ON, the
camera automatically reduces noise to produce clearer images. However,
shooting time is approximately twice as long as usual.
Noise reduction can only be used when the shutter speed is set slower than
1/2 sec.
In the top menu, select MODE MENU T CAMERA T NOISE REDUCTION
T ON.
● When you set noise reduction to ON, shooting time is approximately twice
as long as usual, because the camera needs extra time to finish the noise-
reduction process. During this time, shooting the next picture is not
possible.
● When NOISE REDUCTION is ON, sequential shooting (
, , BKT) is
not possible.
● This function may not work well with some shooting conditions or subjects.