DP2M: Which ISO setting?

Started Nov 6, 2012 | Discussions thread
OP villebon Senior Member • Posts: 2,193
Re: DP2M: Which ISO setting?

D Cox wrote:

My take on this is that varying the ISO is the equivalent to push-processing a film. You appear to get a higher ISO in the mid tones, but shadow detail progressively disappears the more you push. Eventually mid-tone detail goes too, and all you have is highlights on a noisy background.

So I would say, pick the setting that gives the best shadow detail without losing the highlights.

I only use ISO 100 and 200. If there's a need for higher ISO, I'll use a tripod. It suits my kind of photography, YMMV.

So, if I understand correctly, there's already some noticeable loss of shadow details as low as  ISO 200?

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