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Pentax X70 Digital Camera - 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. These pictures were taken indoors using reflected natural light



This is the full frame at 100 ISO.



At 100 ISO the level of detail is good, but there is some unevenness of mid-tone colour.



Slightly more noise at 200 ISO, but overall quality is still fairly good.



At 400 ISO there is a speckling of noise across the whole image, and some detail is lost.



800 ISO and noise is now seriously hitting image quality.



1600 ISO is best avoided.



3200 ISO is available at 5MP. It would be OK for small web images.



At 6400 ISO the image quality is fairly terrible.



This is the full frame at 6400 ISO.


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