Studio scene comparison (RAW)
In order to achieve as near to a level playing field for comparison as possible, we also shot our studio scene in RAW mode with each camera and converted it using Adobe Camera RAW (in this case ACR 5.6). Because Adobe Camera RAW applies different levels of sharpening to different cameras (this confirmed) we use the following workflow for these conversions:
- Load RAW file into Adobe Camera RAW (Auto mode disabled)
- Set Sharpness to 0 (all other settings default)
- Open file to Photoshop
- Apply a Unsharp mask: 80%, Radius 1.0, Threshold 0
- Save as a TIFF (for cropping) and as a JPEG quality 11 for download
This is our standard studio scene comparison shot taken from exactly the same tripod position. Lighting: daylight simulation, >98% CRI. Crops are 100%. Ambient temperature was approximately 22°C (~72°F). Camera settings as per previous pages.
Canon EOS-1D Mark IV vs. Nikon D3S
Canon EOS-1D Mark IV
5.0MB JPEG (4896 x 3264)
3.1MB JPEG (4256 x 2832)
Depth of field difference aside (only really pertinent in the paperclip crop), much of the difference between the two cameras seen in the JPEG comparisons has disappeared. Despite the resolution differences, the level of detail being captured doesn't appear to be radically different. However, if you look at the very highest frequency detail in the sixth crop with the colored balls, the 1D IV is out-pacing the Nikon.
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