A photographic system for generating photos is provided. A passive sensor is affixed between the objects. Pedestals are formed adjacent to the row structures before the conductive layer for the wordlines is deposited. In a preferred embodiment the irises are offcentered along the two transverse axes. A weir in fluid communication with the drain maintains the heat transfer liquid at a predetermined height in the enclosure. The outer sieve-type cloth has a coating that stabilizes intersections of the wires.