ISO Speed in Movie Recording

In [ Movies ], [ Shutter-priority AE (movies) ], and [ Aperture-priority AE (movies) ] mode

ISO speed is set automatically in a range of ISO 100–12800.
Setting [Max for Auto] in [: ISO speed settings] to [H (25600)] () expands the maximum speed in the automatic setting range to H (equivalent to ISO 25600).
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 800 when [: Canon Log settings] is set to [On ()] (). ISO speeds lower than ISO 800 are an expanded ISO speed (L).

In [ Movie manual exposure ] mode

With ISO speed set to [AUTO], ISO speed is set automatically in a range of ISO 100–12800.
When ISO Auto is set, setting [Max for Auto] in [: ISO speed settings] to [H (25600)] () expands the maximum speed in the automatic setting range to H (equivalent to ISO 25600).
ISO speed can be set manually in a range of ISO 100–12800. Setting [ISO speed range] in [: ISO speed settings] to [H (25600)] () expands the maximum speed in the manual setting range to H (equivalent to ISO 25600).
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 800 when [: Canon Log settings] is set to [On ()] (). ISO speeds lower than ISO 800 are an expanded ISO speed (L).