Summary

Our Score

9/10

User Score

Review Price £789.99

Pentax K-7 Digital SLR - 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.

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/94/f78fb1/da6d/11804-k7isomin.jpg

This is the full frame at 100 ISO.

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/94/117921/5e7c/11804-k7iso100.jpg

At the minimum ISO setting, picture quality is of course superb.

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/94/f23526/fba1/11804-k7iso200.jpg

200 ISO and still flawless.

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/94/3d6f21/8c80/11804-k7iso400.jpg

Still no noise problems at 400 ISO.

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/94/9ebc6d/3815/11804-k7iso800.jpg

800 ISO and some noise effects are just becoming visible.

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/94/7f730e/162e/11804-k7iso1600.jpg

The noise reduction system appears to be tuned to produce very good results at 1600 ISO.

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/94/23364a/0577/11804-k7iso3200.jpg

More luminance noise and some chroma noise at 3200 ISO, and the overall detail is lowered as noise control gets stronger.

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/94/c83adf/d779/11804-k7iso6400.jpg

6400 ISO is pretty ropey.

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/94/b89b40/21c2/11804-k7isomax.jpg

This is the full frame at 6400 ISO.

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