The World's First 4D Consumer Camera and Interactive Images

Lytro has released its first camera, which captures around11 million rays of light. Using a the light field sensor, the camera not only captures the color and intensity of every ray, but the direction as well. Lytro captures as much data as possible in each photograph and producing "interactive" images. So users can refocus images directly in the camera.

This is a single image with different focus areas

For more images visit here