Canon PowerShot A3100 IS Review - Test Shots – ISO Performance Review

”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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This is the full frame at 80 ISO.


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At the minimum ISO setting the picture quality is pretty good, with no noise and plenty of detail.


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Still no problems at 100 ISO, as one might expect.


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Unusually for a Canon camera, 200 ISO shows significant image noise and poor colour gradation.


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Noise reduction has cleaned up the colour at 400 ISO, but there is still luminance noise and less detail.


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Detail is greatly reduced at 800 ISO.


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Image quality at 1600 ISO is very poor.


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This is the full frame at 1600 ISO.


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