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Canon EOS 350D with 17-85mm vs Canon EOS 5D with 24-105mm purple fringing
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To compare the purple fringing of the Canon 350D / XT with the EF-S 17-85mm against the Canon 5D with the EF 24-105mm, we photographed a test chart with areas of very high contrast using each lens at their widest and longest focal lengths and
with their apertures wide open. The crops are taken
from the upper left corner of the chart and presented here at 100%.
Both lenses exhibit purple fringing at wide angle, although the EF-S 17-85mm is slightly worse. Zoom into telephoto though and the EF-S 17-85mm has much less fringing than the EF 24-105mm. |
Canon EOS-350D / Digital Rebel XT
Using Canon
EF-S 17-85mm f/4-5.6 IS USM |
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Canon EOS-5D
Using
Canon EF 24-105mm f/4L IS USM |
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17-85mm EF-S at 17mm f4 |
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17-85mm EF-S at 85mm f5.6 |
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24-105mm EF at 24mm f4 |
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24-105mm EF at 105mm f4 |
Canon EOS 350D with 17-85mm vs Canon EOS 5D with 24-105mm macro
| To compare the macro capabilities of the Canon 350D / XT with the EF-S 17-85mm against the Canon 5D with the EF 24-105mm, we photographed
a custom chart at a focal length and distance which
delivered the maximum possible reproduction.
The dark lines are 10mm apart and the result is not cropped. Smaller areas
are preferred in this test. |
Canon EOS-350D / Digital Rebel XT
Using Canon
EF-S 17-85mm f/4-5.6 IS USM |
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Canon EOS-5D
Using
Canon EF 24-105mm f/4L IS USM |
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17-85mm EF-S at 85mm f8
Max area of 104x70mm at 17cm |
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24-105mm EF at 105mm f8
Max area of 154x104mm |
| You don't need to look at the figures to see the EF-S 17-85mm is capable of greater macro reproductions than the EF 24-105mm, but to be fair neither lens can be described as great for close-ups. Indeed the budget EF-S 18-55mm kit lens bundled with the 350D / XT is capable of much better macro results - see our 400D / XTi lens group test for examples. Ultimately if you're really into close-ups with either camera, you should look into buying extension tubes or a dedicated macro lens. |
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