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Canon Ixus 860 IS / PowerShot SD870 resolution comparison
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To measure and compare the Canon Ixus 860 IS / PowerShot SD870's resolving power we photographed the Enhanced Digital Camera
Resolution Chart with it and a number of rival compacts, each using their
best quality JPEG and default image tone and sharpening settings. Each camera was tested at every aperture setting and the best result selected for this page.
The crops are taken from the original images, saved as High Quality JPEGs
in Photoshop CS2 and presented here at 100%. Each number represents 100
lines per picture height (lpph), so a figure of 20 means a resolution of
2000 lpph. |
In terms of resolving power, the Canon Ixus 860 IS / PowerShot SD870 delivers 1950 lpph of horizontal and vertical resolution, which is roughly equivalent to the Panasonic Lumix DMC-FX33. Both cameras are measurably below what the 12 Megapixel Fujifilm F50fd and Sony W200 can resolve in the same test.
As in our previous test, the Panasonic crops looks much less sharp than the Canon, but look closely and they contain roughly the same amount of detail - the difference in appearence is mostly down to image processing. Now let's see how the Canon handles at different sensitivities in our 860IS / SD870 IS noise results.
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Canon Ixus 860 IS / PowerShot SD870
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Fujifilm FinePix F50fd
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1950 lpph, 4.6-17.3mm at 11mm, f4.5, 80 ISO |
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2250 lpph, 8-24mm at 16mm, f5.6, 100 ISO |
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Panasonic Lumix FX33
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Sony Cyber-shot DSC-W200
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1950 lpph, 4.6-16.4mm at 12mm, f4.7, 100 ISO |
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2250 lpph, 7.6-22.8mm at 12mm, f3.5, 100 ISO |
Canon Ixus 860 IS / PowerShot SD870
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Fujifilm FinePix F50fd
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1950 lpph, 4.6-17.3mm at 11mm, f4.5, 80 ISO |
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2250 lpph, 8-24mm at 16mm, f5.6, 100 ISO |
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Panasonic Lumix FX33
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Sony Cyber-shot DSC-W200
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2000 lpph, 4.6-16.4mm at 12mm, f4.7, 100 ISO |
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2250 lpph, 7.6-22.8mm at 12mm, f3.5, 100 ISO |
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