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Olympus mju 790 SW - Test shots - ISO performance

Over the next few pages we show a range of test shots. On this page the full size image at the minimum and maximum ISO settings have been reduced to let you see the full image, and a series of full resolution crops have taken from original images at a range of ISO settings to show the overall image quality.



This is the full frame at 80 ISO.



At the minimum ISO setting the image quality is very good, with no visible noise.



Similar results at 100 ISO.



There is some visible noise at 200 ISO, but it is not enough to cause problems.



The noise level is higher at 400 ISo, but the image is still printable.



There is a large increase in noise going up to 800 ISO, but overall colour balance is still fairly good, and the image is usable - just.



Image quality is seriously affected at the maximum 1600 ISO, with faded colour and low detail.



This is the full frame at 1600 ISO.


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