Well, the raw picture (light field) from the camera looks like something from an insect's eye - a hexagonal grid of tiny pictures saved into one giant jpeg [1].

Well, the raw picture (light field) from the camera looks like something from an insect's eye - a hexagonal grid of tiny pictures saved into one giant jpeg [1]. The Lytro software processes that data into a stack of jpegs of reconstructed views at varying focal lengths when you first import the image. [1] see for example http://lightfield-forum.com/2012/07/lytro-hack-how-to-extract-data-and-jpg-files-from-the-lfp-file-format-using-lfpsplitter/ http://lightfield-forum.com/2012/07/lytro-hack-how-to-extrac...