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Compared to the Nikon D1x (contd.)

Another studio flash scene...

These shots were taken using a single 300W studio flash light (set at approx. 150W) with an 80 cm softbox. The idea here was to fill the same amount of the frame with the subject to explore the difference in resolution between the two cameras. To compensate for differences in focal length multiplier between the two cameras the camera to subject distance is different (for the EOS-1D shot I had to be closer to the subject - thus more perspective distortion).

Both cameras had manually preset White Balance from a grey card, interesting to note that the EOS-1D selected a cooler white balance than the D1x.

Lenses used:

  • Canon EOS-1D - Canon EF 50mm F1.4
  • Nikon D1x - Nikkor 50mm F1.4 D
Canon EOS-1D (sRGB - 1)
ISO 200, F16, 1/125 sec, Preset WB
JPEG LARGE FINE 1,226 KB
Nikon D1x (sRGB)
ISO 200, F16, 1/125 sec, Preset WB
JPEG LARGE FINE 2,401 KB

This turned out to be an even more interesting and revealing test. The D1x clearly shows its superior horizontal resolution, and the EOS-1D also is able to show its superior vertical resolution. On the whole I'd say that the EOS-1D is "doing the most" with its pixel count, considering it has 1.2 megapixels less than the D1x it still manages to pull out most of the same detail.

Same exposure outdoor shot

This shot was taken outdoors at ISO 500 with a manually metered exposure of 1/50 sec, F7.1. White balance was set to 'shade' on both cameras. To compensate for differences in focal length multiplier between the two cameras the camera to subject distance is different (for the EOS-1D shot I had to be closer to the subject), and thus the background in each image will look slightly different.

Crops below are of an 240 x 180 area of the image (100%). Note the slight difference in the brightness between the two cameras. The Nikon D1x proved to produce consistently darker images than the EOS-1D (for the same exposure). Also note the slight difference between colour response, this will be down to diffences in white balance standard between the manufacturers.

Lenses used:

  • Canon EOS-1D - Canon EF 50mm F1.4
  • Nikon D1x - Nikkor 50mm F1.4 D
Canon EOS-1D (Adobe RGB - 4)
ISO 500, F7.1, 1/50 sec, Shade WB
JPEG LARGE FINE 1,516 KB
Nikon D1x (Adobe RGB)
ISO 500, F7.1, 1/50 sec, Shade WB
JPEG LARGE FINE 2,328 KB

Once more the D1x manages to resolve more detail but the EOS-1D looks sharper. The EOS-1D's image would quite easily interpolate to much larger sizes and still look detailed. Also note the visible noise in the shadow area of the D1x image, the EOS-1D's appears completely clean.

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