As part of our image quality testing for the Canon PowerShot SX40 HS, 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 SX40 HS is capable of resolving up to around 22 (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:

Canon powershot sx40 hs iso 100
Canon powershot sx40 hs iso 100

Canon powershot sx40 hs iso 100
Canon powershot sx40 hs iso 100

ISO 100, score: 22 (see full image)

Canon powershot sx40 hs iso 200
Canon powershot sx40 hs iso 200

ISO 200, score: 22 (see full image)

Canon powershot sx40 hs iso 400
Canon powershot sx40 hs iso 400

ISO 400, score: 22 (see full image)

Canon powershot sx40 hs iso 800
Canon powershot sx40 hs iso 800

ISO 800, score: 20 (see full image)

Canon powershot sx40 hs iso 1600
Canon powershot sx40 hs iso 1600

ISO 1600, score: 20 (see full image)

Canon powershot sx40 hs iso 3200
Canon powershot sx40 hs iso 3200

ISO 3200, score: 10 (see full image)