the 14-megapixel entry-level D3100 digital SLR adds 1080p full HD video, the world's first DSLR to have full-time auto focus in video
mode. he D3100 has a 14-megapixel sensor, ISO 3200 sensitivity (expandable to
ISO 12,800), a 3-inch LCD display, full HD video with continuous auto
focus and an 11-point auto focus system.