Name: PowerShot G15
Brand: Canon

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Image quality and resolution

As part of our image quality testing for the Canon G15, 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 80 the Canon G15 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, check out our full explanation of our camera testing resolution charts.

Examining images of the chart taken at each sensitivity setting reveals the following resolution scores in line widths per picture height x100:

JPEG

ISO 80, score: 22 (Click here to see the full resolution image)

ISO 100, score: 22 (Click here to see the full resolution image)

ISO 200, score: 22 (Click here to see the full resolution image)

ISO 400, score: 20 (Click here to see the full resolution image)

ISO 800, score: 20 (Click here to see the full resolution image)

ISO 1600, score: 20 (Click here to see the full resolution image)

ISO 3200, score: 18 (Click here to see the full resolution image)

ISO 6400, score: 12 (Click here to see the full resolution image)

ISO 12800, score: 10 (Click here to see the full resolution image)

Raw

ISO 80, score: 22 (Click here to see the full resolution image)

ISO 100, score: 22 (Click here to see the full resolution image)

ISO 200, score: 22 (Click here to see the full resolution image)

ISO 400, score: 22 (Click here to see the full resolution image)

ISO 800, score: 20 (Click here to see the full resolution image)

ISO 1600, score: 20 (Click here to see the full resolution image)

ISO 3200, score: 18 (Click here to see the full resolution image)

ISO 6400, score: 18 (Click here to see the full resolution image)

ISO 12800, score: 18 (Click here to see the full resolution image)

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Amy has been writing about cameras, photography and associated tech since 2009. Amy was once part of the photography testing team for Future Publishing working across TechRadar, Digital Camera, PhotoPlus, N Photo and Photography Week. For her photography, she has won awards and has been exhibited. She often partakes in unusual projects - including one intense year where she used a different camera every single day. Amy is currently the Features Editor at Amateur Photographer magazine, and in her increasingly little spare time works across a number of high-profile publications including Wired, Stuff, Digital Camera World, Expert Reviews, and just a little off-tangent, PetsRadar.

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