Pentax K10D Digital SLR - Test shots – ISO performance

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”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 the full-frame at 100 ISO, the minimum setting.


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Unsurprisingly, image quality at 100 ISO is flawless.


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Still no problems at 200 ISO.


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Some mild chromatic noise visible on this 400 ISO shot.


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Noise is definately more noticeable at 800 ISO, but the general level of detail is still very good.


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Image quality is reduced still further at 1600 ISO, but the image is still usable, and the grain of the noise is not too destructive.


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This is the full frame at 1600 ISO. As you can see it is quite presentable.


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