Noise Reduction Of Long Exposures - Canon EOS 1D Mark II N Instruction Manual

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Noise Reduction of Long Exposures

For long exposures 1 sec. or longer, noise reduction can be applied.
At the [Auto] or [On] setting, the maximum burst during continuous shooting
will be slightly lower.
The noise reduction process may require the same amount of time as the
exposure. As long as the viewfinder display indicates the maximum burst as
1 or higher, shooting can continue.
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1
Select [Noise reduction].
Select the <z> tab.
Hold down the <X> button and
turn the <5> dial to select [Noise
reduction]. Then let go of the button.
2
Select the desired setting.
Hold down the <X> button and
turn the <5> dial to select the
desired setting. Then let go of the
button.
Off Noise reduction is not applied.
Noise reduction is applied
automatically on long exposures 1
Auto sec. or longer if noise typical to
long exposures is detected. This
setting is effective in most cases.
Noise reduction is applied
automatically to all long
exposures 1 sec. or longer. This
On
setting is effective for noise that
cannot be detected or reduced
with the [Auto] setting.