Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 172)

Still Photo Cropping/Aspect Ratio
You can change the image area before shooting. With [ 1.6x (crop) ], the center of the image
sensor (an area equivalent to APS-C size) is used, for an angle of view that corresponds to
approx. 1.6 times the lens focal length. Other setting options enable you to change the
aspect ratio used for shooting.
1.
Select [ : Cropping/aspect ratio].
2.
Select an option.
Select [ Full-frame ], [ 1.6x (crop) ], [ 1:1 (aspect ratio) ], [ 4:3 (aspect
ratio) ], or [ 16:9 (aspect ratio) ].
With RF-S/EF-S lenses, [ 1.6x (crop) ] is set automatically, and no other
option is available.
To proceed without changing shooting area display, press the < >
button and go to step 4.
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