We've seen a couple of ways to change the depth of field (DOF) in pictures after they've been shot, but those methods have all featured specific hardware for the job. Knowing that most aren't inclined to fork over the notes for such luxuries, online auteurists The Choas Collective have released a free online tool for creating DOF-changeable images -- and all you need is a basic DSLR that shoots video. Instead of fancy in-camera tech that captures all the focal range data in o
