Nikon DX recently announced (APS-C) sensor cameras, marking the beginning of the escalation of the brand beyond the level of 12.3 MP resolution that marks the upper limit of the last generation of Nikon.
D3100 comes with a 14 MP first, then about a month later announced D7000 with 16.2MP. things more important than increasing the resolution in D7000 is merging the latest Nikon EXPEED processing...