optics need not to be optimized for coma or astigmatism, but the spherical aberration can be set to zero. See also Circular dichroism Cosmic Origins Spectrograph Czerny-Turner monochromator Imaging spectrometer List of astronomical instruments List of light sources Long-slit spectroscopy Prism spectrometer Scanning mobility particle sizer Spectrogram Spectrometer Spectroradiometer Spectroscopy Virtually imaged phased array References Bibliography J. F. James and R. S. Sternberg (1969), The Design of Optical Spectrometers (Chapman and Hall Ltd) James, John (2007), Spectrograph Design Fundamentals (Cambridge University Press) Browning, John (1882), How to work with the spectroscope : a manual of practical manipulation with spectroscopes of all kinds External links Spectrograph for astronomical Spectra Photographs of spectrographs used in the Lick Observatory from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections Electronic test equipment Signal processing Measuring instruments Laboratory equipment German inventions Telescope types