Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 694)

Set aperture range
You can set the aperture value range. In [ ], [ ], [ ], or [ ] mode, you can set the
aperture value manually within your specified range. In [ ] and [ ] mode, or in [ ] mode
with the aperture value set to [ AUTO ], the aperture value is set automatically within your
specified range. Select [ OK ] to register the setting.
Max. aperture
Can be set in a range of f/1.0–f/64.
Min. aperture
Can be set in a range of f/91–f/1.4.
Note
The available aperture value range varies depending on the lens's minimum and
maximum aperture value.
694