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Canon digital SLR upgrade - EOS 350D / XT versus EOS 5D Gordon Laing, November 2006

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


Canon EOS 350D with 17-85mm vs Canon EOS 5D with 24-105mm noise levels


 
To compare the Canon EOS 350D / XT's noise levels against the EOS 5D we photographed the standard Gretag Macbeth ColorChecker with both cameras 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.

The 5D delivers much cleaner results in the black patches, especially at higher sensitivities, but reveals quite distinct artefacts in the blue patches even at low sensitivities.

Interestingly these artefacts on the 5D's blue patches remain fairly consistent as the ISO increases, until the more familiar noise patterns of the 350D catches up at 400 ISO and becomes worse at 800 ISO and above.

It's important to note we have compared 100% crops from each camera measuring 136x136 pixels. Since the Canon 350D has a lower resolution sensor, its crop therefore represents a larger area relative to the 5D. That is, any artefacts visible on the 350D crops would be larger and more obvious than the 5D if each image was reproduced at the same physical size. In contrast, the 5D's artefacts represent a smaller area, so would be less obvious on images reproduced at the same physical size.

Since many artefacts from noise and noise reduction can be masked by the flat colours of the Gretag chart, it's also important to compare noise levels on real-life outdoor subjects - see the following page.



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Canon EOS-350D
Canon EOS-5D
Nikon D200
Sony Alpha A100
Canon EOS-350D at 100 ISO
Canon EOS-5D at 100 ISO
Nikon D200 at 100 ISO
Sony Alpha A100 at 100 ISO
100 ISO
100 ISO
100 ISO
100 ISO
Canon EOS-350D at 200 ISO
Canon EOS-5D at 200 ISO
Nikon D200 at 200 ISO
Sony Alpha A100 at 200 ISO
200 ISO
200 ISO
200 ISO
200 ISO
Canon EOS-350D at 400 ISO
Canon EOS-5D at 400 ISO
Nikon D200 at 400 ISO
Sony Alpha A100 at 400 ISO
400 ISO
400 ISO
400 ISO
400 ISO
Canon EOS-350D at 800 ISO
Canon EOS-5D at 800 ISO
Nikon D200 at 800 ISO
Sony Alpha A100 at 800 ISO
800 ISO
800 ISO
800 ISO
800 ISO
Canon EOS-350D at 1600 ISO
Canon EOS-5D at 1600 ISO
Nikon D200 at 1600 ISO
Sony Alpha A100 at 1600 ISO
1600 ISO
1600 ISO
1600 ISO
1600 ISO
Canon EOS-350D - 3200 ISO not available
Canon EOS-5D at 3200 ISO
Nikon D200 at 3200 ISO
Sony Alpha A100 - 3200 ISO not available
3200 ISO not available
H (3200 ISO)
H1.0 (3200 ISO)
3200 ISO not available



Canon EOS 350D / Rebel XT versus EOS 5D results continued...

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

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

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