Canon EOS 50D User Manual download pdf (Page 176)

176

3 Custom Function SettingsN

C.Fn II: Image

C.Fn II -1 Long exposure noise reduction

0: Off

1: Auto

For 1 sec. or longer exposures, noise reduction is performed

automatically if noise typical of long exposures is detected. This [Auto]

setting is effective in most cases.

2: On

Noise reduction is performed for all exposures of 1 sec. or longer. The

[On] setting may be effective for noise that cannot be detected or

reduced with the [Auto] setting.

C.Fn II -2 High ISO speed noise reduction

Reduces the noise generated in the image. Although noise reduction is

applied at all ISO speeds, it is particularly effective at high ISO speeds. At

low ISO speeds, the noise in the shadow areas is further reduced. Change

the setting to suit the noise level.

0: Standard

1: Low

2: Strong

3: Disable

After the picture is taken, the noise reduction process may take the same

amount of time as the exposure. You cannot take another picture until

the noise reduction process is completed.

With setting 2, if a long exposure is made during Live View shooting, the

LCD monitor will not display anything (no Live View image display) while

noise reduction is applied.

With setting 2, the maximum burst for continuous shooting will decrease.

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Canon EOS 50D User Manual Page 176