6:26 AM
DK
A digital camera that allows photographers to focus their pictures after taking them has gone on sale.
Rather than recording a single version of an image, the Lytro captures data about the intensity and direction of all the light entering its lenses.
That information can be reorganised later with the option to change which parts are blurred and which are sharp.
The "light field" technology was developed by company founder Ren Ng while he was at Stanford University.
The Lytro looks nothing like a conventional camera
It is, in some ways, analogous to the practice of shooting RAW images with a current generation digital camera.
In that example, the device records all of the light falling on its sensor without running it through processes...
