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Canon IXUS 1000 HS / PowerShot SD4500 IS Gordon Laing, March 2011
 

Canon IXUS 1000 HS / PowerShot SD4500 IS results : Real-life resolution / High ISO Noise
/ Handheld Night Scene

Canon IXUS 1000 HS / PowerShot SD4500 IS vs PowerShot S95 Real-life resolution (default settings)


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To compare real-life performance we shot the same scene with the Canon IXUS 1000 HS / PowerShot SD4500 IS and PowerShot S95 within a few moments of each other using their best quality JPEG settings and lowest sensitivities.

The lenses were adjusted to deliver as close a field-of-view as possible. Each camera was set to Program mode without intervention to see how they performed with default settings.The image above was taken with the Canon IXUS 1000 HS / PowerShot SD4500 IS at 125 ISO with an exposure of 1/1000 and the lens set to 6mm f3.4; the original file measured 2.91MB. As stated above, we allowed each camera to automatically select its own exposure in Program mode, in order to compare how they performed under default settings. Coincidentally both selected similar apertures.

The IXUS 1000 HS  / SD4500 IS and PowerShot S95 may share a 10 Megapixel resolution, but their sensors are quite different: the former employs a 1/ 2.3in back-illuminated CMOS sensor, while the latter uses a 1/ 1.7in CCD sensor. The larger sensor in S95 should give it an advantage in light gathering power, although the difference in CMOS and CCD technology also plays a part.

Looking at the crops below from a scene under bright conditions at their lowest sensitivities, the most obvious difference between the cameras is processing style, with the enthusiast-targeted S95 interestingly applying a little more sharpening and contrast for a slightly punchier result. Alongside, the IXUS 1000 HS / SD4500 IS crops look a little soft, but this could easily be boosted if desired.

In terms of real-life detail, there's unsurprisingly not much in it. The PowerShot S95 appears to enjoy a minor edge, but that's more due to the inability to perfectly match their coverage, with the S95 being zoomed-in fractionally closer than the IXUS 1000 HS / SD4500 IS.

Either way, a good start for the IXUS 1000 HS / SD4500 IS which under bright conditions at its lowest sensitivity can deliver similar results to the enthusiast's PowerShot S95. But will the S95's bigger sensor give it an advantage in low light, and how does the leader of the super-zooms, the Panasonic Lumix TZ20 / ZS10 compare? Find out in our our IXUS 1000 HS / SD4500 IS High ISO Noise results, or if you've seen enough, head straight to our Verdict. PS - scroll down to compare the camera's sharpness when fully zoomed-in and out.


Canon IXUS 1000 HS / PowerShot SD4500 IS
 
Canon PowerShot S95
f3.4, 125 ISO
f4, 80 ISO
     
f3.4, 125 ISO
f4, 80 ISO
     
f3.4, 125 ISO
f4, 80 ISO
     
f3.4, 125 ISO
f4, 80 ISO

 

Canon IXUS 1000 HS / PowerShot SD4500 IS Sharpness when zoomed-out and zoomed-in

Like most super-zoom cameras, the IXUS 1000 HS / SD4500 IS loses contrast at its longest focal length, but this is easily boosted in software later if desired to deliver 100% crops which look similar to those at the shortest focal lengths. More importantly, there's very few optical artefacts to worry about in the corners of the image at either ends of the range, beyond minor fringing at wide-angle. Overall a good optical performance from the lens on the IXUS 1000 HS / SD4500 IS. Now let's see how it compares across its sensitivity range in our High ISO Noise results.

Canon IXUS 1000 HS / PowerShot SD4500 IS
Wide angle sharpness at 36mm equivalent
 
Canon IXUS 1000 HS / PowerShot SD4500 IS
Telephoto sharpness at 360mm equivalent
f3.4, 125 ISO
f5.6, 125 ISO
     
f3.4, 125 ISO
f5.6, 125 ISO
     
f3.4, 125 ISO
f5.6, 125 ISO


Canon IXUS 1000 HS / PowerShot SD4500 IS results : Real-life resolution / High ISO Noise
/ Handheld Night Scene


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