Reviewers testing ISO at good lighting are cheating?

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Invanovich22 Regular Member • Posts: 190
Reviewers testing ISO at good lighting are cheating?

Read somewhere comment saying testing ISO at good lighting e.g. daylight with high shutter speeds like 1/2500s actually provides incorrect and misleading results.

I tend to agree with this because no one in their daily practice will boost the ISO in the day time, ISO only needed for times when there's not enough light so even testing it during bright light environment or in daytime provides no useful information!

To me its feels intuitively right that during longer exposures 1/60 and the dark scenes camera will show more noise at high ISO 3200 than shooting shiny day on ISO 3200 and shutter speed 1/4000.

Is my assumptions correct?

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