The original spectrograph attached to the telescope was capable of recording 640 spectra simultaneously, while the updated spectrograph for SDSS III can record 1000 spectra at once.
Teleskopa bağlı orijinal spektrograf anlık 640 spektrum kaydedebilirken, SDSS III için son güncellenen spektrograf tek seferde 1000 spektrum kaydedebilmektedir.