Increasing ISO vs. increasing exposure in Darktable for an ICLE-6700

Peter · December 3, 2025, 10:30am

Raw files from my R6. ISO 1600 vs ISO 6400 vs ISO 51200. It seems like there is some kind of hot pixel suppression from ISO 12800 with this camera model.

https://www.photonstophotos.net/Charts/PDR_Shadow.htm#Canon%20EOS%20R6,Canon%20EOS%20R6(ES)

https://www.photonstophotos.net/GeneralTopics/Sensors_&_Raw/Sensor_Analysis_Primer/Photographic_Dynamic_Range_Shadow_Improvement.htm

Black level reported by RawDigger: