Canon EOS RP Instruction Manual page 796

Performance Data
ISO Speed in Movie Recording
In [ k ] Mode
For Full HD/HD movies, ISO speed is automatically set in a range of ISO
z
100–25600.
For 4K movies, ISO speed is automatically set in a range of ISO 100–
z
12800.
Under [ z : k ISO speed settings], setting [Max for Auto] or [ H Max
z
for Auto] to [H2(102400)] ( = 286) expands the maximum limit of the
automatic ISO speed setting range to H2 (equivalent to ISO 102400). You
can lower the maximum value to narrow the automatic ISO speed setting
range.
With [ z : Highlight tone priority] set to [Enable] ( = 137), the
z
automatic ISO speed setting range is ISO 200–25600 for Full HD/HD
movies and ISO 200–12800 for 4K movies.
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