Summary

Our Score

8/10

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Canon IXUS 990 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. These pictures were taken indoors using artificial light, with white balance set for the back board of the scene.

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/94/e4107b/e1d3/11611-ixus990isomin.jpg

This is the full frame at 80 ISO.

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/94/ddf93c/b75d/11611-ixus990iso80.jpg

At the minimum ISO setting the image quality is superb, with smooth tonal gradients and no sign of image noise.

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/94/8cd9ad/90d9/11611-ixus990iso100.jpg

The results are also pretty much perfect at 100 ISO.

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/94/0586bf/6d5e/11611-ixus990iso200.jpg

Still no real problems at 200 ISO.

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/94/143ca8/be8c/11611-ixus990iso400.jpg

The noise reduction really kicks in at 400 ISO, but the results are very good, with excellent colour and only minor loss of detail.

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/94/dbc390/2a89/11611-ixus990iso800.jpg

More detail is lost at 800 ISO, and darker areas are quite blotchy.

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/94/b143db/e1cf/11611-ixus990iso1600.jpg

Image quality is much lower at 1600 ISO, with considerable loss of fine detail, but still the exposure and colour are very good.

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/94/57c331/f12d/11611-ixus990isomax.jpg

This is the full frame at 1600 ISO.

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