Canon EOS 5D Mark II In-depth Review
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Photographic tests (Noise)
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ISO Sensitivity / Noise levels (contd.)
Raw noise compared EOS 5D Mark II vs Nikon D700 vs Sony A900 (ISO 1600 - 25600)
In this RAW comparison you get a better idea of how noisy these three cameras actually are without the veiling effect of in-camera noise reduction. As seen earlier, the Sony A900 is quite a noisy camera compared to the 5D Mark II and the D700, which are suprisingly similar (we'd expect the Nikon to be less noisy, but the difference is actually very small). All the way to ISO 25,600 the D700 and 5D Mark II are very close in terms of noise and fine detail retained, with the D700 slightly better at all settings. These results, especially at the top two ISO settings illustrate how much in-camera noise reduction is applied to JPEGs, and that both the 5D Mark II and D700 have very effective noise reduction algorithms.
EOS 5D Mark II RAW
ISO 1600 |
Nikon D700 RAW
ISO 1600 |
Sony A900 RAW
ISO 1600 |
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EOS 5D Mark II RAW
ISO 3200 |
Nikon D700 RAW
ISO 3200 |
Sony A900 RAW
ISO 3200 |
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EOS 5D Mark II RAW
ISO 6400 |
Nikon D700 RAW
ISO 6400 |
Sony A900 RAW
ISO 6400 |
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EOS 5D Mark II RAW
ISO 12800 |
Nikon D700 RAW
ISO 12800 |
Sony A900 RAW
N/A |
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EOS 5D Mark II RAW
ISO 25600 |
Nikon D700 RAW
ISO 25600 |
Sony A900 RAW
N/A |
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sRAW1 noise (ISO 800 - 25600)
Here you can see the noise performance of the sRAW1 files. Compared to the full resolution RAW files, there is no noticeable noise advantage to shooting in sRAW1 mode. Considering that more fine detail is retained in the full size RAW file, in terms of high ISO noise performance there is really no reason to shoot sRAW1 over full resolution RAW.
For the sRAW1 file, the processing steps taken are as follows:
- Load RAW file into Adobe Camera RAW (Auto mode disabled)
- Set all noise reduction settings to 0 (all other settings default)
- Open file to Photoshop
- Save as a TIFF (for cropping) and as a JPEG quality 11 for download
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Feb 13, 2009
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Dec 1, 2010
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Oct 10, 2008
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Sep 17, 2008
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