(S (S (BASENP (PRP It)) (VP (VBZ is) (NP (BASENP (DT a) (NN system)) (PP (IN of) (NP (NP (BASENP (NN three) (NNS cameras)) (COMMA ,) (BASENP (NNS filters))) (CONJP (COMMA ,) (CC and)) (NP (BASENP (NNS dispersers)) (SBAR (WHNP (WDT which)) (S (VP (VBP act) (S (VP (TO to) (VP (VB detect) (NP (BASENP (NNS wavelengths)) (PP (IN of) (NP (BASENP (NN light)) (VP (VBG ranging) (PP (PP (IN from) (BASENP (NN near-infrared))) (PP (TO to) (BASENP (NN ultraviolet)))))))))))))))))))) (PERIOD .))