Request InfoTeledyne Princeton InstrumentsAn imaging spectrograph from Princeton Instruments, the IsoPlane SCT-320, features a new optical design that eliminates the primary aberrations present in traditional imaging spectrographs. It produces images that are clearer and sharper across the focal plane and, as a result, more photons end up in spectral peaks, significantly increasing the effective signal-to-noise ratio. Czerny-Turner imaging spectrographs are subject to imaging aberrations such as coma, astigmatism and spherical aberration. 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