Canon PowerShot A720 IS - Test shots - ISO performance

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

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This is a full-frame image at the minimum sensitivity of 80 ISO.

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Image quality at the lowest ISO setting is superb.

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Not surprisingly image quality is unchanged at 100 ISO.

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Still no trace of noise at 200 ISO.

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There is a little luminance noise at 400 ISO, but it is barely noticeable.

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Noise is a bit more prevalent at 800 ISO, but the image is still printable.

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Some fine detail has been lost at 1600 ISO, but the overall image quality is still surprisingly good.

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This is the full-frame image at the maximum ISO setting of 1600.

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