Nikon has unveiled the D3100, its latest entry-level offering and its first DSLR that can record full 1080p HD videos. Successor to the popular D3000, it is built around a 14.2 CMOS sensor and a 3 inch LCD. As well as movies it gains Live View shooting, a wider ISO range ( 100-3200 expandable to 12800) and a host of small revisions. The camera will be available soon at a retail price of £579.99 /