Kodak EasyShare Z1275 - 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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Full-frame image at minimum ISO.

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Even at the minimum ISO 64 there is some colour noise visible, as well as compression artefacts.

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Both noise and compression are more visible at ISO 100.

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Noise reduction has cleaned up some of the colour speckling at ISO 200, but there are still patches of distorted colour.

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At ISO 400 the noise reduction is starting to blur out the fine details.

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At ISO 800 the shot is suddenly marred by some bizarre colour distortions. I've included the full image below to show the effects.

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Is this colour distortion at ISO 800 related to the technical problem that caused the camera to crash?

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At ISO 1600 the image quality is very low, with poor colour and little fine detail.

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This is the full frame at ISO 1600.

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