But why I got on my S110 and G1x on ISO100 sv96=411 and on the M3 sv96=480?
Because it was long time ago, when CAM_SENSOR_BITS_PER_PIXEL was not corrected.
On cameras like G7X and M3 the "real" and "market" values are the same.
The blacklevel value should be measured. On cameras with native raw, you can probably get it from a Canon raw file
exiftool -h img_0001.cr2
<tr><td>Per Channel Black Level</td><td>2048 2048 2048 2048</td></tr>
but it's a good idea to check that the average raw value of a dark frame is close to the defined blacklevel value.
How many times you had a crash?
Dcraw64 -4 -D -T black.cr2
Compiled with CAM_BLACK_LEVEL 2047Is there significant difference?
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