IFS-related acronyms
| ADC | Atmospheric Dispersion Corrector |
| DAR | Differential Atmospheric Refraction |
| E3D | Euro3D (a European research training network that ran from 2003-2005) |
| FP | Fabry-Pérot |
| FRD | Focal Ratio Degradation |
| FSR | Free Spectral Range |
| IFS | Integral Field Spectroscopy/Spectrograph |
| IFU | Integral Field Unit |
| MLA | MicroLens Array |
| MOS | Multi-Object Spectroscopy |
| PSF | Point-Spread Function |
| spaxel | spatial pixel |
| FoV | field-of-view |
| RSS | row-stacked spectra |
| SNR | Signal to Noise Ratio |
| WCS | World Coordinate System |
