A combination of a spectral apparatus and a camera, which enables an image of a spectrum
to be recorded. Spectra are recorded by a photographic
emulsion or other means, e.g. two-dimensional electronic image sensors.
Source:
PAC, 1995, 67, 1725
(Nomenclature, symbols, units and their usage in spectrochemical analysis-IX. Instrumentation
for the spectral dispersion and isolation of optical radiation (IUPAC Recommendations
1995))
on page 1729