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Sony Cyber-shot DSC-W200 corner sharpness comparison
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To measure and compare the Sony Cyber-shot DSC W200's corner sharpness we photographed the Enhanced Digital Camera
Resolution Chart with it and a number of rival models, each using their
best quality JPEG and default image tone and sharpening settings.
We used the built-in lenses at their widest and longest focal lengths and
with various apertures starting from fully open. Note the Panasonic FX30 only offers two aperture settings at each focal length, so both are shown in this test.
The crops are taken from
the extreme lower left corner of the chart and presented here at 100%. |
Zoomed-out to wide angle, the Sony W200 delivers fairly sharp corner results which are comparable to most 3x / 4x compacts. There's no coloured fringing here to worry about, although some geometric distortion is apparent, especially compared to the other cameras on test here.
Zoomed-into telephoto, the geometric distortion problem's gone away, but in its place is noticeable coloured fringing, and a reduction in sharpness as the aperture is closed. If you don't need a large depth of field with the W300, it would be better to manually set the aperture wide open when zoomed-into telephoto. Now let's have a look at the Sony W200's fringe and macro results. |
Sony Cyber-shot DSC-W200 |
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Canon PowerShot A640 |
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Fujifilm FinePix F30 |
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Panasonic Lumix FX30 |
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7.6-22.8mm at 7.6mm f2.8 |
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7.3-29.2mm at 7.3mm f2.8 |
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8-24mm at 8mm f2.8 |
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4.6-16.4mm at 4.6mm f2.8 |
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7.6-22.8mm at 7.6mm f5.6 |
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7.3-29.2mm at 7.3mm f5.6 |
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8-24mm at 8mm f5.6 |
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Only two aperture settings available |
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7.6-22.8mm at 7.6mm f8 |
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7.3-29.2mm at 7.3mm f8 |
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8-24mm at 8mm f8 |
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4.6-16.4mm at 4.6mm f8 |
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Sony Cyber-shot DSC-W200 |
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Canon PowerShot A640 |
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Fujifilm FinePix F30 |
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Panasonic Lumix FX30 |
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7.6-22.8mm at 22.8mm f5.5 |
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7.3-29.2mm at 29.2mm f4.1 |
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8-24mm at 24mm f5.0 |
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4.6-16.4mm at 16.4mm f5.6 |
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7.6-22.8mm at 22.8mm f11 |
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7.3-29.2mm at 29.2mm f5.6 |
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8-24mm at 24mm f5.6 |
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Only two aperture settings available |
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7.6-22.8mm at 22.8mm f16 |
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7.3-29.2mm at 29.2mm f8 |
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8-24mm at 24mm f8 |
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4.6-16.4mm at 16.4mm f16 |
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