Casio Exilim EX-H20G - Test shots: ISO performance Review

”’A selection of images taken at the camera’s incremental light sensitivity settings, using only available daylight.”’


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Shooting with the EX-H20G set to Auto ISO, it has chosen a setting equivalent to ISO400 to do the job. A good choice as this has produced a relatively clean, noise free result.


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Even full frame at ISO80 – starting out lower than most – unsurprisingly, all is well with the globe trotting Casio’s performance


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Same shot at ISO100 and a barely discernible difference for noise/grain.


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Same lack of noise to report at ISO200, so the camera is performing as well as we would expect for its point and shoot class.


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We’re at ISO400, usually the setting at which noise begins to creep in on if we’re unlucky. Here we’re relatively clean, crisp and clear.


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Noise is becoming more pronounced when examining shadow detail at ISO800, and we’re also loosing definition as the image is softer overall.


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A softer image again at ISO1600, even when viewed full frame. But we’d still be happy reaching for this option when pushed.


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At top ISO3200 setting we’re getting more softness still, the result beginning to lose the look of a digital photograph and instead take on a watercolour-like appearance.


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