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Canon PowerShot SX150 IS Ken McMahon, November 2011
 
 

Canon PowerShot SX150 IS vs IXUS 220 HS / ELPH 300 HS vs IXUS 230 HS / ELPH 310 HS Resolution

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To compare real-life performance when zoomed-out, we shot this scene with the Canon PowerShot SX150 IS, the Canon IXUS 220 HS/ELPH300 HS and the Canon IXUS 230 HS/ELPH 310 HS within a few moments of each other using their best quality JPEG settings.

The lenses on each camera were set to approximately the same field of view and all three cameras were set to Program auto exposure mode.

The ISO sensitivity was manually set to the lowest available setting, 80 ISO on the PowerShot SX150 IS and 100 ISO on both IXUS models.

  Canon PowerShot SX150 IS
1 PowerShot SX150 IS Resolution
2 PowerShot SX150 IS Noise
3 PowerShot SX150 IS Sample images

The image above was taken with the Canon PowerShot SX150 IS. The lens was set to its 5mm (28mm equivalent) maximum wide angle focal length. In Program auto exposure mode the camera metered an exposure of 1/400th of a second at f3.4 at 80 ISO. The original image size was 3.75MB. The crops are taken from the areas marked with red rectangles and presented here at 100%.

In these cloudy bright conditions our test scene doesn't pose any major challenges in terms of exposure or white balance and the PowerShot SX150 IS makes a good job of both. The crops show a good level of detail which is pretty consitent across the frame. The outline of the chapel in the first crop is clean and there's a good level of detail in the grass and rocks in the foreground. In the lighthouse crop the detail in the far distance looks a little bit clumpy, particularly along the line where the cliffs meet the sky.This could be processing or jpeg compression, or both, either way it's not a massive problem.

The third crop has quite noticeable colour fringing caused by chromatic lens aberration. As well as this crop area it's predominant in the edge regions down both sides of the frame. While it's not severe, the conditions in this test scene aren't the kind to draw it out and in high contrast and backlit scenes it's likely to be worse. So it's something you're going to have to live with, but it's worth pointing out that you're only ever likely to spot it at close to 100 percent view. The final crop from the centre of the frame again shows generally well resolved edge and fine detail, but has a slight texture that obscures the smallest details like the roof tiles and brick work. If you compare those details in this crop with the same kinds of detail in the lighthouse crop, you'll notice that the lens produces sharper results in the middle of the frame. This difference might be slighly less pronounced at less than the widest aperture setting, which all the canon models opted for in Program auto mode despite it being quite a bright day necessitating quite a fast shutter speed. At least with the PowerShot SX150's PASM modes you have the option to take control and choose a slightly smaller aperture should you wish.

Compared with the IXUS 220 HS/ELPH 300 HS, the PowerShot SX150 IS results are marginally inferior. Looking at the first crop there's little qualitative difference, but in each of the remaining three crops the 12.1 Megapixel CMOS sensor of the IXUS 220 HS/ELPH 300 HS produces clearer detail with less overall noise. Another factor in the IXUS 220 HS/ELPH 300 HS' favour is that it 5X zoom lens isn't as prone to chromatic aberration.

Compared with the IXUS 230 HS/ELPH 310 HS, the results are less conclusive. Like the UXUS 220 HS/ELPH 300 HS, the IXUS 230 HS/ELPH 310 HS resolves detail better, but has other problems not the least of which is some quite severe fringing on the first two crops.

Now let's see how they compare at higher sensitivities in our High ISO Noise results.

 


PowerShot SX150 IS
 
IXUS 220 HS / ELPH 300 HS
 
IXUS 230 HS / ELPH 310 HS
f3.4, 80 ISO
f3.2 100 ISO
f3 100 ISO
f3.4, 80 ISO
f3.2 100 ISO
f3 100 ISO
f3.4, 80 ISO
f3.2 100 ISO
f3 100 ISO
f3.4, 80 ISO
f3.2 100 ISO
f3 100 ISO


Canon PowerShot SX150 IS results : Real-life resolution / High ISO Noise




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