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Nikon D3100 - 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 tungsten photoflood lighting.



The full image at ISO 100.


At ISO100 all is well with the D3100's performance.


At ISO200 there's similarly no image noise to report.


We're at ISO400 and a clean bill of health once again.



And so it continues at ISO800...



...and ISO1600.



Remarkably, at ISO3200 only the sharpest pair of eyes would notice any difference between this and the previous two ISO settings.



It's only really at top whack ISO12,600 equivalent (Hi2 setting on the D3100) that we're getting the tell-tale speckled appearance we'd expect to find creeping at ISO800 and above on lesser models.


Here's the full image at ISO12,600 (Hi2).


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