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elec164

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"RE: Auto ISO"

elec164 Silver Member Nikonian since 15th Jan 2009
Sun 09-Sep-12 06:15 PM

>If you do overexpose, would you
>also consider resetting RAW bit depth to 14-bit? It seems this
>might help pull out more detail in the overexposed areas,
>

Actually I believe the opposite is true.

With digital if you overexpose you run the risk of sensor saturation and information would be lost. The extra bit depth adds no advantage. On the other hand the extra bit depth provides four times the amount of data points in the low end. So the extra bit depth allows you to recorded more usable information on the low end. Plus with the D7000's much improved read noise ability, you are better off recovering from slight under-exposure than risking blowing the highlights from over exposure.

Where 14-bit will help on the highlights is with fine gradients.

Pete

Pete

Visit my Nikonians gallery.

This is a hot, active topic! Auto ISO [View all] , pencho , Wed 01-Aug-12 03:08 PM
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