Canon EOS R10 User Manual page 610

3.
Set the cropping frame.
The image area within the cropping frame will be cropped.
Resizing the cropping frame size
Turn the <
cropping frame, the more magnified the cropped image will look.
Correcting tilt
You can correct image tilt by ±10°. Turn the <
then press the <
the <
0.5° increments) in the upper left of the screen to correct tilt. After
correction is finished, press the <
Changing the cropping frame aspect ratio and orientation
Turn the <
changes the cropping frame aspect ratio.
Moving the cropping frame
Use <
> dial to resize the cropping frame size. The smaller the
> button. While checking tilt relative to the grid, turn
> dial (in 0.1° increments) or tap the left or right arrow (in
> dial and select [
> to move the cropping frame vertically or horizontally.
610
> dial to select [
> button.
]. Each press of the <
],
> button