C.fn Ii: Image; C. Fn-3 Long Exposure Noise Reduction; C.fn-4 High Iso Speed Noise Reduction - Canon EOS 450D Instruction Manual

Custom Function Settings*
C,Fn [[: linage
0: Off
1: Auto
For 1 sac. or longer exposures, noise reduction is performed
automatically if noise typical of _ong exposures is detected. This [Auto]
setting is effective in most cases.
2: On
Noise reduction is performed for all exposures 1 sac. or longer. The [On]
setting may be effective for noise that cannot be detected or reduced
with the [Auto] setting.
@ With setting 2, if a long exposure iS made during Live _iew Sho0ting, the
LCD monitor wj![ not display anything (no Live View image disP!aY) whi!e
After the picture is taken, the noise [edu#tion process may take the Same
amount of time as the exposure. You Canno t take another picture unt il the
noise reduction process is completed.
0: Off
1: On
Reduces the noise generated in the image. Although noise reduction is
applied at all [SO speeds, it is particularly effective at high [SO speeds.
At low ISO speeds, the noise in the shadow areas is further reduced.
@ With Setting iithe maximum buist for continuous Sheeting will greatly
decrease_ White balance bracketing wi[! a!so be disabled,
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