Sony Alpha A350 - 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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This is a full-frame image at the minimum sensitivity of 100 ISO.

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At 100 ISO the image quality is superb, with no trace of noise.

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Still very good at 200 ISO.

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At 400 ISO there is a hint of colour speckling in the mid-tone areas that I wouldn't have expected to see.

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At 800 ISO noise in the red channel is really becoming a problem.

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At 1600 ISO the level of detail is dropping off as noise gets worse.

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At 3200 ISO the image quality is actually pretty poor.

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This is the full frame at maximum ISO.

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