Nikon D3100 - Wikipedia, the free encyclopedia

The Nikon D3100 is a 14.2 megapixel DX format DSLR Nikon F-mount camera announced by Nikon on August 19, 2010. It replaced the D3000 as Nikon's entry level DSLR. It introduced Nikon's new EXPEED 2 image processor ...

en.wikipedia.org