JPEGs look very clean up through ISO 800, and there's a noticeable sharpness difference between ISO 800 and ISO 1600. ISO 3200 is usable, but I wouldn't recommend going higher than that unless you're willing to make some compromises.
April 11, 2013 3:15 PM PDT
Photo by: Lori Grunin/CNET
| Caption by: Lori Grunin
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