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Sony A900, A700 and A580 ISO Comparison

Anyone interested in looking at boring ISO crops?  well, there’s a lot of chatter in various Sony forums about the ISO performance of the new A580, so I thought I’d provide some side-by-side ISO comparisons of Sony’s flagship A900, the old and outdated A700, and last, but not least A580.  The A580 received rave reviews about its high ISO performance …

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