The Lytro camera, aside from impish good looks, offers light-field-science technology to the photographer. Unlike conventional cameras, which capture a single plane of light in a picture, the Lytro camera captures the entire light field, which is all the light traveling in every direction in every point in space.
This means that since you’ll capture the color, intensity, and direction of all of the light, you can focus AFTER THE FACT! And, re-focus, on any point in your photo.
Long after you have left the photo shoot, a focus-failure can be turned into a creative success. How cool is that !?!
Currently offered through pre-order on the web-site, cameras start at $400 and up.
The website has a wonderful in-photo test where you can play with the Lytro technology on line.