Canon EOS-1D X Mark III EOS-1DX Mark III Advanced User Guide - Page 933

ISO Speed in Movie Recording The maximum limit is not expanded when the camera is set for RAW movies, even with [Max for Auto] set to [H(51200)], [H(102400)], or [H(204800)]. In mode The ISO speed will be set automatically within ISO 100-25600. Setting [Max for Auto] in [ : ISO speed settings] to [H1(204800)] ( ) expands the maximum speed in the automatic setting range to H1 (equivalent to ISO 204800). The minimum speed in the automatic setting range is ISO 200 when [ : Highlight tone priority] is set to [Enable] or [Enhanced] ( ). The maximum limit is not expanded, even when expansion is set in [Max for Auto]. The minimum speed in the automatic setting range is ISO 400 when [ : Canon Log settings] is set to [On] ( ). In < > mode With ISO speed set to [ 25600. ], the speed is automatically set in a range of ISO 100- When ISO Auto is set, setting [Max for Auto] in [ : ISO speed settings] to [H1(204800)] ( ) expands the maximum speed in the automatic setting range to H1 (equivalent to ISO 204800). ISO speed can be set manually in a range of ISO 100-25600. Note that setting [ISO speed range] in [ : ISO speed settings] to [H1(204800)] ( ) expands the maximum speed in the manual setting range to H1 (equivalent to ISO 204800). The minimum speed in the automatic or manual setting range is ISO 200 when [ : Highlight tone priority] is set to [Enable] or [Enhanced] ( ). Even when ISO speed expansion is set, the maximum limit will not be expanded. The minimum speed in the automatic setting range is ISO 400 when [ : Canon Log settings] is set to [On] ( ). ISO 100-320 represents an expanded ISO speed (L). Caution Expanded ISO speeds are not available when the camera is set for RAW movies. 933