This photo shows the apparatus we have used to conduct our experiments. The deformation of the sheet camera is controlled using a vise-like mechanism - the parallel jaws of the vise push against two sides of the imaging sheet such that the distance between the jaws determines the curvature of the sheet. We used a Nikon D90 to capture an image of the 33 by 33 spots created by the lens array on the diffuser attached to the bottom of the array. An LCD monitor is placed above this apparatus to show various scenes to the imaging system.