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Pentax Optio M50 - Test shots - ISO performance

A range of test shots are shown over the next few pages. Here, the full size images at the minimum and maximum ISO settings have been reduced for bandwidth purposes to let you see the full image, and a series of crops taken from original full resolution images at a range of ISO settings have been included in order for you to gain an appreciation of the overall quality.
This is the full size image at ISO 64
The lowest setting of ISO64 is noise free
ISO 100 provides similar results to the above
Good results can still be had at ISO 200
Minimal image noise begins to creep in at ISO 400
ISO 800 shows some slight blotchiness, but the Noise Reduction system is kicking in
At ISO 1600 there is noise but the NR does a good job of maintaining quality
ISO 3200 has some loss of detail thanks to the NR
At ISO 6400 the NR is struggling to fight noise and hold detail at the same time

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