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Canon PowerShot S5 IS - Test shots - ISO performance

By Cliff Smith


  • Recommended by TR
Canon PowerShot S5 IS


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Over the next few pages we show a range of test shots. On this page the full size image at the minimum ISO setting has been reduced to let you see the full image, and below that a series of full resolution crops have taken from original images at a range of ISO settings to show the overall image quality.



At the minimum setting of ISO 80 the image quality is superb, with a high level of detail and no image noise.


Already at ISO 100 the is some image noise visible, although it is very fine-grained.


The noise level is slightly higher at ISO 200.


Colour and luminance noise are both noticeable at 400 ISO.


At ISO 800 the noise reduction system has reduced some of the colour noise, but the image quality is still rather poor.


A lot of detail is lost at ISO 1600, and the image is pretty much unusable.


This is the full frame at ISO 1600


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