Photography For Complete Dummies

Advances in technology may make it possible for everyone to have perfectly focused shots ALL the time. Based on “light field” technology explored in research by Lytro CEO Ren Ng from Stanford University, the camera captures all of the light rays streaming into a camera from a scene–from every visible point in the foreground to every point in the background.

Therefore, after loading the photo onto a computer, it can be focused to any point in the picture.See it in action at lytro