Canon EOS R5 Advanced User's Manual page 505

3.
Rotate the image.
Each time you press <
90°→270°→0°.
To rotate another image, repeat steps 2 and 3.
Note
If you set [ : Auto rotate] to [On
rotate the image with this function.
If the rotated image is not displayed in the rotated orientation during image
playback, set [ : Auto rotate] to [On
Movies cannot be rotated.
>, the image will rotate clockwise as follows:
] ( ) before taking pictures, you need not
].
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