A camera in which a large diameter scintillator is coupled to an array of photomultiplier tubes by fibre optics. X-ray imaging may also be achieved in multi-crystal cameras where many small crystals individually scintillate.
Source:
PAC, 1995, 67, 1745
(Nomenclature, symbols, units and their usage in spectrochemical analysis-XI. Detection of radiation (IUPAC Recommendations 1995))
on page 1756