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Canon EOS 400D / Digital Rebel XTi review Gordon Laing, August 2006

Outdoor / Resolution / Noise / Noise 2

Canon EOS 400D noise level comparison

Gretag Macbeth ColorChecker
 

To measure and compare the Canon EOS 400D / Rebel XTi's noise levels we photographed the standard Gretag Macbeth ColorChecker with it and a number of rival models at each of their ISO settings.

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.

Up to 400 ISO, the Canon EOS 400D / Rebel XTi essentially matches the low noise levels of the EOS 350D / Rebel XT. At 800 and 1600 ISO, the 350D / Rebel XT appears to enjoy a fractional advantage here, but it's virtually unnoticeable in practice.

It's also important to note we have compared 100% crops from each camera here. Since the Canon 350D / XT has a lower resolution sensor, its crop therefore represents a slightly larger area relative to the others. As a consequence, any artefacts visible on the 350D / XT crops would be slightly larger and more obvious than the other models here if each image was reproduced at the same physical size. With this taken into consideration, it would be hard to tell any difference between prints made from the two Canons at 1600 ISO, even though the EOS 400D / Rebel XTi result appears very slightly noisier here.

In terms of its 10 Megapixel rivals, the EOS 400D / Rebel XTi delivers essentially the same results as the more expensive Nikon D200 at 200 ISO and above, while arguably enjoying a smoother image at 100 ISO. Interestingly, the Sony Alpha A100 exhibits noticeably higher noise than any of the other models here, especially at 800 ISO and above.

The bottom line is Canon may have increased the resolution of the 400D / XTi, but its noise levels remain very low and usable even up to 1600 ISO. As before though, it's important to compare real-life noise tests as seen on the following page.



Canon EOS-400D
Canon EOS-350D
Nikon D200
Sony DSLR-A100
Canon EOS 400D at 100 ISO
Canon EOS 350D at 100 ISO
Nikon D200 at 100 ISO
Sony DSLR-A100 at 160 ISO
100 ISO
100 ISO
100 ISO
160 ISO
Canon EOS 400D at 200 ISO
Canon EOS 350D at 200 ISO
Nikon D200 at 200 ISO
Sony DSLR-A100 at 200 ISO
200 ISO
200 ISO
200 ISO
200 ISO
Canon EOS 400D at 400 ISO
Canon EOS 350D at 400 ISO
Nikon D200 at 400 ISO
Sony DSLR-A100 at 400 ISO
400 ISO
400 ISO
400 ISO
400 ISO
Canon EOS 400D at 800 ISO
Canon EOS 350D at 800 ISO
Nikon D200 at 800 ISO
Sony DSLR-A100 at 800 ISO
800 ISO
800 ISO
800 ISO
800 ISO
Canon EOS 400D at 1600 ISO
Canon EOS 350D at 1600 ISO
Nikon D200 at 1600 ISO
Sony DSLR-A100 at 1600 ISO
1600 ISO
1600 ISO
1600 ISO
1600 ISO
Canon EOS 400D - 3200 ISO not available
Canon EOS 350D - 3200 ISO not available
Nikon D200 at 3200 ISO
Sony DSLR-A100 - 3200 ISO not available
3200 ISO not available
3200 ISO not available
H1.0 (3200 ISO)
3200 ISO not available

Canon EOS 400D / Digital Rebel XTi results continued...

Outdoor / Resolution / Noise / Noise 2

 

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All words, images, videos and layout, copyright 2005-2014 Gordon Laing. May not be used without permission.

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