Summary

Our Score

6/10

Review Price free/subscription

Canon PowerShot A490 - 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 shaded natural light.

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/94/f07b7d/e98b/13020-canona490isomin.jpg

This is the full frame at minimum ISO.

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/94/580329/6138/13020-canona490iso80.jpg

Image quality at 80 ISO is pretty good.

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/94/04ca56/fcca/13020-canona490iso100.jpg

There is a trace of colour mottling even at 100 ISO.

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/94/bc874e/fe06/13020-canona490iso200.jpg

Noise is clearly visible at 200 ISO.

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/94/c22f49/d492/13020-canona490iso400.jpg

Noise reduction has removed some of the chromatic noise at 400 ISO, but the image still have luminance noise.

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/94/ad0dde/cad1/13020-canona490iso800.jpg

Noise reduction has reduce image quality at 800 ISO.

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/94/72f7ae/d8d8/13020-canona490iso1600.jpg

Image quality is quite poor at the maximum 1600 ISO.

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/94/db0744/f311/13020-canona490isomax.jpg

This is the full frame at 1600 ISO.

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