Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 165)

165
i : Setting the ISO Speed for Still Photos
If the ISO speed is set to “ A ” (Auto), the
actual ISO speed to be set will be
displayed when you press the shutter
button halfway.
As indicated below, the ISO speed will
be set automatically to suit the shooting
mode.
*1: The actual ISO speed range depends on the [ Minimum ] and [ Maximum ]
settings set in [ Auto range ].
*2: If fill-in flash will cause overexposure, ISO 100 or a higher ISO will be set.
(Except in the < a > and < bulb > modes.)
*3: In the < d > mode, if you use bounce flash with an external Speedlite, ISO 400 -
ISO 1600 will be set automatically.
ISO Auto
Shooting Mode
ISO Speed Setting
No Flash With Flash
d / s / f / a ISO 100 - ISO 51200
*1
ISO 400
*1*2*3
bulb ISO 400
*1
If H1 (equivalent to ISO 102400) or higher (ISO 32000 or higher if the
camera’s internal temperature is low) has been set automatically, the
maximum continuous shooting speed during high-speed continuous
shooting will be no faster than approx. 10.0 fps during viewfinder shooting or
approx. 14.0 fps during Live View shooting. For details, see page 148.