Here’s an example of a photo taken with the R7 camera using
very high ISO
setting of 2000. Despite the tiny size of each of the 32,000,000 pixels on the R7 sensor, the image is quite usable. The iomage file is 1764 pixels wide.
ISO set to 2000 to get a proper exposure.
You can return to the complete post on the high ISO performance of the Canon R7 here.