Canon EOS R50 Mirrorless Camera (White) - Manual (Page 204)

3.
Set [Dynamic range].
Selecting [ Auto ] will have the dynamic range set automatically
depending on the image's overall tonal range.
The higher the number, the wider the dynamic range will be.
To cancel HDR shooting, select [ Off ] in step 2.
4.
Set [Limit max brightness] (only with [ : HDR shooting ] set
to [Enable]).
With [ Disable ], maximum brightness is not limited. Recommended
when you will review images on a monitor supporting display at
brightnesses exceeding 1000 nits.
With [ 1000 nits ], maximum brightness is limited to approx. 1000 nits.
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