FYI Ren Ng (the founder of this company) won the 2006 ACM Doctoral Dissertation award for the research that turned into this product:
http://awards.acm.org/doctoral_dissertation/
http://graphics.stanford.edu/papers/fourierphoto/ http://graphics.stanford.edu/papers/lfcamera/ http://graphics.stanford.edu/papers/lfmicroscope/