Fujifilm’s phase detection system explained

Recently Fujifilm announced a couple of new compact digital cameras (Fujifilm F300 EXR and Z800 EXR) that feature phase detection auto-focus. Until now, the only digital cameras to utilize such a focusing technique were more expensive DSLRs. DPReview has published an exclusive article detailing the inner workings of the Fujifilm’s phase detection system. If you are not familiar with the phase detection auto-focusing this article is worth the time to read it.