They accomplish their goal by performing extremely diffuse, wide-angle sweeps of the sky to pick up hints at about where and when a major event is taking place. When one of the telescopes sees a hint of something good, it and the others quickly reorient and zoom to capture it in full detail. The telescopes have different specializations — for instance RAPTOR-T, which views all events through four aligned lenses with four different color filters. By looking at the differences in color distribution in the sample, RAPTOR-T can provide info about the distance to an event or about some elements of its environment.