seade, mis lahutab valguse spektriks ja salvestab selle kaamera abil
usually a spectroscope designed for use over a wide range of frequencies (well beyond visible spectrum) and recording the spectrum photographically or in digital form
A spectrograph is an instrument used to obtain and record an astronomical spectrum. The spectrograph splits or disperses the light from an object into its component wavelengths so that it can be recorded then analysed.
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