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As part of our image quality testing for the Olympus E-PM1, we've shot our resolution chart with the Olympus M. Zuiko 14-42mm f/3.5-5.6 II lens mounted.
If you view our crops of the resolution chart's central section at 100% (or Actual Pixels) you will see that, for example, at ISO 200 the Olympus E-PM1 is capable of resolving up to around 24 (line widths per picture height x100) in its highest quality JPEG files.
Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:
ISO 200, score: 24 (see full image)
ISO 400, score: 24 (see full image)
ISO 800, score: 22 (see full image)
ISO 1600, score: 16 (see full image)
ISO 3200, score: 16 (see full image)
ISO 6400, score: 14 (see full image)
ISO 12800, score: 12 (see full image)
Raw images
ISO 200, score: 24 (see full image)
ISO 400, score: 24 (see full image)
ISO 800, score: 22 (see full image)
ISO 1600, score: 16 (see full image)
ISO 3200, score: 16 (see full image)
ISO 6400, score: 14 (see full image)
ISO 12800, score: 12 (see full image)
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