Have a look at the diagram. The DR is expressed in numbers of bits. The maximum is 14 which is why a 14 bit ADC is used and the maximum bit depth of the images is 14. The fact that the numbers get scaled to 16 bits is just what the driver does. So the discussion didn’t go sideways at all. And yes, I know what DR means and how it is determined. All I am saying is that this is how the characteristics of the sensor are published by ZWO.

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