Canon EOS R50 Mirrorless Camera (White) - Manual (Page 530)

3.
Set the cropping frame.
The image area within the cropping frame will be cropped.
Resizing the cropping frame size
Press the < > button to resize the cropping frame. The smaller the
cropping frame, the more magnified the cropped image will look.
Correcting tilt
You can correct image tilt by ±10°. Turn the < > dial to select [ ],
then press the < > button. While checking tilt relative to the grid, turn
the < > dial (in 0.1° increments) or tap the left or right arrow (in
0.5° increments) in the upper left of the screen to correct tilt. After
correction is finished, press the <
> button.
Changing the cropping frame aspect ratio and orientation
Turn the < > dial and select [ ]. Each press of the < > button
changes the cropping frame aspect ratio.
Moving the cropping frame
Press the < >< >< >< > keys to move the frame vertically or
horizontally.
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