Sony Cyber-shot DSC-W200
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Written by Gordon Laing
Sony Cyber-shot DSC-W200 wide-angle geometry comparison
More results : Outdoor / Resolution / Noise / Noise 2 / Corner sharpness / Fringe & macro / Distortion / Vignetting
Sony Cyber-shot DSC-W200 results continued…
Outdoor / Resolution / Noise / Noise 2 / Corner sharpness / Fringe & macro / Distortion / Vignetting
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 | To measure and compare the Sony Cyber-shot DSC W200’s geometric distortion we photographed a test chart consisting of a grid pattern, using it and a number of rival models. Here are the results for each camera with their built-in lenses at their widest focal length; where possible, the aperture was closed. 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 Sony Cyber-shot DSC-W200 zoomed-out to 7.6mm. | |
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7.6-22.8mm at 7.6mm Distortion: 2.56% barrel | ||
| Barrel distortion was measured at 2.56% which is roughly similar to the Canon A640 and Panasonic FX30, although none are as good as the Fujifilm F30 in this respect. Like most compacts zoomed-out to wide angle, you will notice some geometric distortion on subjects with long straight lines taken with the W200; we should however note the FX30 does a respectable job here considering its wider angle coverage. |
Canon PowerShot A640 |
Fujifilm FinePix F30 |
Panasonic Lumix FX30 | ||
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7.3-29.2mm at 7.3mm Distortion: 2.48% barrel |
8-24mm at 8mm Distortion: 1.34% barrel |
4.6-16.4mm at 4.6mm Distortion: 2.7% barrel |
Sony Cyber-shot DSC-W200 telephoto geometry comparison
 | To measure and compare the Sony Cyber-shot DSC W200’s geometric distortion we photographed a test chart consisting of a grid pattern, using it and a number of rival models. Here are the results for each camera with their built-in lenses at their longest focal length; where possible, the aperture was closed. 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 Sony Cyber-shot DSC-W200 zoomed-in to 22.8mm. | |
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7.6-22.8mm at 22.8mm Distortion: 0.98% pincushion | ||
Pincushion distortion was measured at 0.98%, which is measurably worse than any of the other three cameras here – if you’re shooting subjects with long straight lines using the W200 zoomed-in, you’re likely to notice some geometric distortion. The really impressive performer here is the Panasonic FX30, which with just 0.01% distortion, delivers an almost perfect result. Now let’s have a look at the Sony W200’s light fall-off. |
Canon PowerShot A640 |
Fujifilm FinePix F30 |
Panasonic Lumix FX30 | ||
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7.3-29.2mm at 29.2mm Distortion: 0.35% pincushion |
8-24mm at 24mm Distortion: 0.17% pincushion |
4.6-16.4mm at 16.4mm Distortion: 0.01% barrel |
