Resolution Chart ComparisonShots here are of the PIMA/ISO 12233 standard resolution test chart (more of which are available in our comparison database). This resolution chart allows us to measure the actual performance of the lens and sensor system. It measures the ability of the camera to resolve lines at gradually higher resolutions and enables us to provide a definitive value for comparison purposes. Values on the chart are 1/100th lines per picture height. So a value of 15 equates to 1500 lines per picture height. For each camera the relevant 50 mm prime lens was used. The chart is shot at a full range of apertures and the sharpest image selected. Studio light, cameras set to auto, all settings factory default. Aperture selected for optimum sharpness. Exposure compensation +0.7 EV to +1.3 EV.
Measurable findings (three measurements taken for each camera):
No surprises here the EOS 350D delivered exactly the same resolution as the EOS 20D, with one exception, it manages to produce a little more detail near to extinction in the vertical direction. As we mentioned earlier in the review this makes it identical in resolution to the Olympus E-300 and a step up from the EOS 300D. Although it's not a big enough difference for me to recommend anyone to go from the 300D to the 350D on megapixels alone. |
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