TY - RPRT TI - Ultrathin cameras using annular folded optics. AU - Eric J Tremblay AU - Ronald A Stack AU - Rick L Morrison AU - Joseph E Ford PY - 2007 DO - 10.1364/ao.46.000463 UR - https://pubmed.ncbi.nlm.nih.gov/17230237/ ID - 17230237 ER -