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As part of our image quality testing for the Canon G1 X, we've shot our resolution chart.
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 Canon G1 X is capable of resolving up to around 22 (line widths per picture height x100) in its highest quality JPEG files.
For a full explanation of what our resolution charts mean, and how to read them please read the resolution charts explained article.
Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:
JPEG
Full ISO 100 image, see the cropped (100%) versions below.
ISO 100, score 22 (see full image)
ISO 200, score 22 (see full image)
ISO 400, score 20 (see full image)
ISO 800, score 20 (see full image)
ISO 1600, score 20 (see full image)
ISO 3200, score 18 (see full image)
ISO 6400, score 14 (see full image)
ISO 12800, score 14 (see full image)
Raw
ISO 100, score 22 (see full image)
ISO 200, score 22 (see full image)
ISO 400, score 22 (see full image)
ISO 800, score 22 (see full image)
ISO 1600, score 20 (see full image)
ISO 3200, score 18 (see full image)
ISO 6400 , score 14 (see full image)
ISO 12800, score 14 (see full image)
