Summary

Our Score

8/10

User Score

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Pentax Optio S10 - 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.

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/94/b3947c/690a/5898-PentaxS10ISOmin.jpg

This is the full frame at 64 ISO.

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/94/72e6f9/bcfb/5898-PentaxS10ISO64.jpg

At the minimum setting of 64 ISO the image quality is excellent, with very sharp detail.

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/94/7c0aed/9eb6/5898-PentaxS10ISO100.jpg

Not much difference at 100 ISO, and image quality is still very good.

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/94/223de5/7a78/5898-PentaxS10ISO200.jpg

200 ISO and already there is visible image noise, particularly in the green and black areas.

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/94/378fe6/dbc1/5898-PentaxS10ISO400.jpg

Noise gets progressively worse at 400 ISO, with large random colour patches, but there is still some fine detail.

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/94/38ff5b/3244/5898-PentaxS10ISO800.jpg

At 800 ISO the noise reduction system has blurred the image, resulting in a loss of fine detail.

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/94/4773c3/6646/5898-PentaxS10ISO1600.jpg

At the maximum 1600 ISO image quality is very poor, with blotchy colour and little fine detail.

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/94/bc9a20/b5ee/5898-PentaxS10ISOmax.jpg

This is the full frame at 1600 ISO.

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