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Canon IXUS 310 - Test shots: ISO performance

By Gavin Stoker


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Review Price £244.99

A selection of images taken at the camera's incremental light sensitivity settings, using only available daylight. The IXUS 310 HS ISO range is relatively modest and straightforward, starting out at ISO100 and working its way up to ISO3200, though Canon does throw in an additional Low Light shooting mode for fully auto snapping, the caveat being that resolution falls then falls to three megapixels. Let's see how well the Canon copes...



With the camera's Auto ISO setting choosing the lowest manually selectable option of ISO100, as expected detail is good, the shot is crisp overall and there's no noise to report in shadow areas; pretty much as expected then.


Same lack of noise to report at ISO200, if we've lost a tiny bit of contrast over ISO100.


We're at ISO400, usually the setting at which noise begins to creep in on cheaper compacts. But again here even when zooming in close on detail we're hard pressed to witness any degradation in the image from the Canon.


The same test subject at ISO800, and overall the image is still fairly clean if we're slightly losing edge definition on close inspection.


Slightly softer again when it comes to detail examining our test image at ISO1600. But again most would be hard pressed to spot any deterioration when viewing the full frame.


More soft at ISO3200 but not a pronounced jump in terms of noise over ISO1600. Overall the Canon 310 HS has performed very respectably in this task.


...And so we've tried shooting our test image with Low Light mode selected, which effects an image drop to three megapixels. Here the camera has itself chosen a setting which equates to ISO400, so again, no apparent noise.


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