Nikon D3x 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. These pictures were taken indoors using reflected natural light. ”


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The Nikon D3x can shoot from the equivalent of 50 ISO up to 6400 in extended mode, but I’ve only included the normal full-EV values here for the sake of brevity.


This is the full frame at 100 ISO.


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At 100 ISO the image quality is simply flawless.


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No problems at all at 200 ISO.


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Still no noise at 400 ISO, although the tonal gradation in the red channel isn’t as smooth as it could be.


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There is a faint blurring of fine detail at 800 ISO, as well as some very fine mid-tone noise, but overall picture quality is still fantastic.


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At 1600 ISO there is visible noise grain, but colour rendition is near-perfect and tonal gradients are smooth.


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This is the full frame at 1600 ISO.


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