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To measure resolving power we photographed our new Enhanced Digital Camera Resolution Chart with each camera using its best quality JPEG and default image tone and sharpening settings. The lenses were set to f8 using Aperture Priority mode. The new chart allows measurements to be made up to 4000 lpph, which is double that of the previous chart. The crops are taken from the originals, saved as High Quality JPEGs in Photoshop CS2 and presented here at 100%. Each number represents 100 lines per picture height (lpph), so a figure of 20 means a resolution of 2000 lpph. |
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With 2200 lpph of horizontal and vertical resolution, the Nikon D200 comfortably beats existing 8 Megapixel D-SLRs. The D2X scores higher with 2450 and 2300 lpph of horizontal and vertical resolution, matching the Canon 5D vertically, but fractionally beating it horizontally. Note for both this and the above real-life examples, the Nikon D2X was using the same default A setting for Sharpening; clearly this setting has resulted in quite different degrees of sharpening for the D2X between the two tests though. |
Nikon D200 with Nikkor AF 50mm f1.8 | |
Nikon D2X with Nikkor AF 50mm f1.8 | | | |
2200 lpph, 50mm, f8, 100 ISO | |
2450 lpph, 50mm, f8, 100 ISO | | | |
Canon EOS-5D with Canon EF 85mm f1.8 USM |
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Canon EOS-1Ds Mk II with Canon EF 85mm f1.8 USM | | | |
2400 lpph, 85mm, f8, 100 ISO | |
2550 lpph, 85mm, f8, 100 ISO |
Nikon D200 with Nikkor AF 50mm f1.8 | |
Nikon D2X with Nikkor AF 50mm f1.8 | | | |
2200 lpph, 50mm, f8, 100 ISO | |
2300 lpph, 50mm, f8, 100 ISO | | | |
Canon EOS-5D with Canon EF 85mm f1.8 USM |
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Canon EOS-1Ds Mk II with Canon EF 85mm f1.8 USM | | | |
2300 lpph, 85mm, f8, 100 ISO | |
2350 lpph, 85mm, f8, 100 ISO |
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