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Canon IXUS 860 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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/94/840127/6b3d/6100-Canon860ISISOmin.jpg

This is a full-frame view of the minimum ISO setting.

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/94/63a09a/4f98/6100-Canon860ISISO80.jpg

At 80 ISO the image quality is pretty much perfect, with accurate colours, good detail and no noise at all.

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/94/37ce1b/aeef/6100-Canon860ISISO100.jpg

Virtually no difference at 100 ISO.

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/94/ada80b/57a3/6100-Canon860ISISO200.jpg

There is a small amount of noise visible at 200 ISO, but not enough to worry about.

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/94/93e028/f56f/6100-Canon860ISISO400.jpg

As usual with Canon cameras, the more damaging chromatic noise is well suppressed, leaving only a little grain-like luminance noise at 400 ISO.

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/94/ea7819/16a8/6100-Canon860ISISO800.jpg

Noise is a lot more noticeable at 800 ISO, but there is still a good level of detail and the shot is printable.

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/94/43d0a1/1d0c/6100-Canon860ISISO1600.jpg

Image quality does break down somewhat at 1600 ISO, with visible colour distortion in the darker areas.

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/94/6a90db/2af1/6100-Canon860ISISOmax.jpg

This is the full frame at 1600 ISO.

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