Summary

Our Score

7/10

Review Price £349.00

Sigma DP2 - 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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This the full frame at ISO50

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At the base setting of ISO50 image quality is very high, with excellent colour and reasonable detail.

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There's not much difference to the image at ISO100, there's a very slight increase in contrast and sharpness.

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Images at ISO200 are still silky smooth, though colour saturation is slightly lower.

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At ISO400 there's the first evidence of slightly gritty luminance noise, meanwhile colour accuracy slips further.

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By ISO800 it's very obvious that strong noise reduction is removing colour leaving quite pronounced gritty noise.

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Noise reduction is letting through colour blotches and shadow detail is blocking up.

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At ISO3200 there's more of the same and it's not particularly attractive.

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This is the full frame at ISO3200.

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