Appending Dust Delete Data - Canon EOS 90D Advanced User's Manual

Appending Dust Delete Data

Dust Delete Data used to erase dust spots can be appended to images in
case sensor cleaning leaves dust on the sensor. The Dust Delete Data is
used by Digital Photo Professional (EOS software) to erase the dust spots
automatically.
Preparation
Prepare a solid white object such as a sheet of paper.

Set the lens focal length to 50 mm or longer.

Set the lens's focus mode switch to <MF> and set the focus to infi nity (∞).

Dust Delete Data Acquisition
1
Select [z: Dust Delete Data].
2
Select [OK].
After the automatic self-cleaning of

the sensor is performed, a message
will appear. Although there will be a
mechanical sound of the shutter during
the cleaning, no picture is taken.
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