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Nikon D40 with AF-S Nikkor 18-55mm 1:3.5-5.6 G II ED Gordon Laing, March 2007

Outdoor / Resolution / Noise / Noise 2 / Corner sharpness / Fringe & macro / Geometry / Vignetting



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Nikon D40 noise level comparison

 

To measure and compare the Nikon D40's noise levels we photographed the standard Gretag Macbeth ColorChecker with it and a number of rival models using their best quality JPEG and default image tone, sharpening and noise reduction settings. The D40's noise reduction is off by default, but we have also included swatches with it enabled for comparison.

The crops are taken from the original images and presented here at 100%. To compare typical noise in skies and dark shadows the crops were taken from patches 3 and 24 respectively.

The Nikon D40 delivers very clean images which are essentially noise-free at 200 and 400 ISO and only show the slightest noise at 800 ISO. Up to this point, it arguably performs better than both the Canon EOS 400D / XTi and the Nikon D80.

At 1600 ISO, some texture through noise and processing is apparent, but it's still relatively clean and superior to the Canon result. At 3200 ISO, noise levels increase significantly, although they're still acceptable for smaller print sizes in emergency situations. Note due to their higher resolutions, the Canon 400D / XTi and D80 crops represent a smaller portion of their overall frames, and hence any artefacts below appear slightly larger and more obvious.

That said, the D40 still delivers impressively low noise in this test, although as always you should also compare noise levels with real-life subjects. As you'll see in our Nikon D40 Gallery for example, the camera performs well across its entire ISO range, proving increased megapixels aren't necessarily the route to better overall picture quality. Check the next page to see how the D40 compares against the D80 and Canon 400D / XTi in our outdoor real-life noise tests.


Nikon D40
(NR off, default)
Nikon D40
(NR enabled)
Canon 400D / XTi
Nikon D80
(normal NR)
Sony DSLR-A100 - 3200 ISO not available
Sony DSLR-A100 - 3200 ISO not available
Canon EOS 400D at 100 ISO
Nikon D80 at 100 ISO
100 ISO not available
100 ISO not available
100 ISO
100 ISO
Nikon D40 at 200 ISO - NR off
Nikon D40 at 200 ISO - NR on
Canon EOS 400D at 200 ISO
Nikon D80 at 200 ISO
200 ISO
200 ISO
200 ISO
200 ISO
Nikon D40 at 400 ISO - NR off
Nikon D40 at 400 ISO - NR on
Canon EOS 400D at 400 ISO
Nikon D80 at 400 ISO
400 ISO
400 ISO
400 ISO
400 ISO
Nikon D40 at 800 ISO - NR off
Nikon D40 at 800 ISO - NR on
Canon EOS 400D at 800 ISO
Nikon D80 at 800 ISO
800 ISO
800 ISO
800 ISO
800 ISO
Nikon D40 at 1600 ISO - NR off
Nikon D40 at 1600 ISO - NR on
Canon EOS 400D at 1600 ISO
Nikon D80 at 1600 ISO
1600 ISO
1600 ISO
1600 ISO
1600 ISO
Nikon D40 at 3200 ISO - NR off
Nikon D40 at 3200 ISO - NR on
Sony DSLR-A100 - 3200 ISO not available
Nikon D80 at 3200 ISO
HI1 (3200 ISO)
HI1 (3200 ISO)
3200 ISO not available
H1.0 (3200 ISO)

Nikon D40 results continued...

Outdoor / Resolution / Noise / Noise 2 / Corner sharpness / Fringe & macro / Geometry / Vignetting
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