As part of our image quality testing for the Canon PowerShot S100, 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 100 the Canon PowerShot S100 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 click here to read the full article.
Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:
ISO80, score: 22 (see full image)
ISO100, score: 22 (see full image)
ISO200, score: 22 (see full image)
ISO400, score: 22 (see full image)
ISO800, score: 22 (see full image)
ISO1600, score: 20 (see full image)
ISO3200, score: 18 (see full image)
ISO6400, score: 16 (see full image)