Canon EOS-1 D X Mark II Instruction Manual page 428

3 Custom Function Settings
Set shutter speed range
You can set the shutter speed range. In the <s> and <a> modes,
you can set the shutter speed manually within the range you have set.
In the <d> and <f> modes, the shutter speed will be set
automatically within the set shutter speed range (except for movie
shooting). Then select [OK] to register the setting.
Highest speed
You can set it from 1/8000 sec. to 15 sec.
Lowest speed
You can set it from 30 sec. to 1/4000 sec.
Set aperture range
You can set the aperture range. In the <f>, <a>, and <bulb>
modes, you can set the aperture manually within the range you have
set. In the <d> and <s> modes, the aperture will be set
automatically within the set aperture range (except for movie
shooting). Then select [OK] to register the setting.
Min. aperture (Max. f/)
You can set it from f/91 to f/1.4.
Max. aperture (Min. f/)
You can set it from f/1.0 to f/64.
The settable aperture range varies depending on the lens's maximum and
minimum apertures.
428
C.Fn3
C.Fn3