SCUBA-2, or the Submillimeter Common-User Bolometer Array 2, is a high-tech camera used for submillimeter astronomy. It is located at the James Clerk Maxwell Telescope in Hawaii and is designed to detect faint submillimeter radiation from sources in the universe. SCUBA-2 uses an array of sensitive bolometers to measure the intensity of this radiation, allowing astronomers to study a wide range of objects such as distant galaxies, star-forming regions, and protoplanetary disks. Its high sensitivity and wide field of view make it a powerful tool for studying the cold, dusty regions of the universe.