Summary

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8/10

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Canon PowerShot A590 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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/94/30dad8/7205/7798-CanonA590ISISOmin.jpg

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

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/94/bec832/7fb8/7798-CanonA590ISISO80.jpg

Image quality at the lowest ISO setting is superb.

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/94/140d9f/636f/7798-CanonA590ISISO100.jpg

At 100 ISO there is already some colour speckling visible.

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/94/1bdb68/7d68/7798-CanonA590ISISO200.jpg

Image noise is noticeable at 200 ISO.

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/94/37a420/31ea/7798-CanonA590ISISO400.jpg

At 400 ISO the noise is affecting the level of fine detail.

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/94/5edcf5/290a/7798-CanonA590ISISO800.jpg

Very significant noise problems at 800 ISO.

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/94/b723c8/834f/7798-CanonA590ISISO1600.jpg

At 1600 ISO the noise is so bad the image is virtually useless.

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/94/269fcc/150a/7798-CanonA590ISISOmax.jpg

This is the full frame at maximum ISO.

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