These are just summary of what Ken Rockwell says in his website about Nikon D7000. If you wish to read the full complete review , please visit his site here.

The Nikon D3100 is a very competent and ultra-lightweight DSLR. It is small and light, but doesn’t feel dinky. It feels like the precision product it is. The D3100 is Nikon’s lightest SLR, ever, and probably their smallest, too.

The D3100 is a very competent DSLR. It’s images are pretty similar to the D3 and D700, if you have good light. At higher ISOs, noise reduction blurs the images to keep the D3100′s noise about the same as FX cameras.

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