I've heard that it's some kind of weird two-lens system where the back camera uses two lenses and it somehow takes it up into DSLR quality imagery.
John GruberThe iPhone is not and never was a phone. It is a pocket-sized computer that obviates the phone. The iPhone is to cell phones what the Mac was to typewriters.
John GruberAlmost nothing worthwhile is easy, and it's hard to just jump in and be good at something difficult right off the bat... The only reliable way to succeed at anything is to actually do it, repeatedly, with concentrated effort. True for individuals, and true for organizations. Athletes, artists, businesses.
John Gruber