Why bother changing base ISO?

Started Jul 18, 2007 | Discussions thread
kevm14 Senior Member • Posts: 2,253
Re: Why bother changing base ISO?

Pierre Sottas wrote:

kevm14 wrote:

Since DR and noise is all about the noise floor, how could the ISO800
picture end up looking better than the ISO100 one

because of different pre-amp gain and AD conversion. However good RAW
converters make this difference close to marginal.


Sure. And we could go further and say this method would probably provide fairly poor results with JPEGs, given their 8-bit per color nature.

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