Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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Especially with regards to image quality.

I am particularly interested in when you expand to a lower ISO, say 50 rather than 100. Generally the standard high ISO is too noisy, with the expanded ISO even more so.

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merged by jrista Apr 2 '11 at 17:31

This question was merged with What does “expanded ISO” mean? because it is an exact duplicate of that question.