Saturday, October 22, 2011

What makes a good sample image for ISO comparison?

Question

To be more specific this image is always used by Digital Photography School for ISO comparison. What are those features that make this image suitable for ISO comparison.

Answer

In ISO comparisons you need to have a bit of everything, shadow, good range of mid tones, and some highlights plus a range of colours. This shot has all of that, which is why it's an ideal shot to analyse how well a camera deals with various ISO settings. Basically for any performance analysis in a single shot there needs to be as wide a range of colour, tone and detail as possible to judge how a camera deals with each of these factors so thats what makes images such as this very good for the job.

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