I know that when it comes to exposure, film has a much higher dynamic range than does digital.

What about the dynamic range of the image on the processed film? I know that there's some roll off, so that if film can record 9 stops of range, (numbers POA*) it might only be represented with 7 stops of dynamic range. Does anyone know off hand what the real values are for these numbers?

What about scanners and digital cameras? Do scanners have more dynamic range than your standard APS camera?

If the image on film has more dynamic range than that on the camera, could you recover more of that data with bracketing and HDR processing? How many stops of bracketing would you need?

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