Olympus E-500 / EVOLT E-500 review with Zuiko Digital 14-45mm f3.5~5.6
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Written by Gordon Laing
Olympus E-500 wide-angle geometry comparison
Canon EOS-350D |
Konica Minolta Dynax 5D |
Nikon D50 | ||
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18-55mm EF-S at 18mm f8 Distortion: 3.35% barrel |
18-70mm DT at 18mm f8 Distortion: 3.49% barrel |
18-55mm DX at 18mm f8 Distortion: 3.51% barrel |
Olympus E-500 telephoto geometry comparison
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To measure geometric distortion we photographed a custom test chart consisting of a grid pattern with perfectly straight lines. Here are the results for the cameras at their longest focal length with an aperture of f8 in Aperture Priority mode. The images were analysed with Imatest using 5th Order line calculation and the full areas presented here at a reduced resolution. The image left was taken with the Zuiko Digital 14-45mm at 45mm f8 (equivalent to 90mm). Barrel distortion was measured at 0.48% which is similar to the degree of distortion of the Canon and Konica Minolta lenses, although interestingly in the other direction; they both suffered from pincusion instead. The Nikon D50’s bundled lens performed best here. |
Canon EOS-350D |
Konica Minolta Dynax 5D |
Nikon D50 | ||
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18-55mm EF-S at 55mm f8 Distortion: 0.389% pincushion |
18-70mm DT at 70mm f8 Distortion: 0.309% pincushion |
18-55mm DX at 55mm f8 Distortion: 0.169% barrel |
Results continued…
Outdoor / Resolution / Noise / Corner sharpness / Fringe and macro / Geometry / Vignetting
