| 2DFIS | Two dimensional spectrograph [ Link ] |
| ACAM | Auxiliary-port CAMera [ Link ] |
| AF2 | Automated Fibre Positioner [ Link ] |
| AG Unit | Cassegrain Acquisition and Guidance Unit [ Link ] |
| AOLI | Adaptive Optics Lucky Imager [ Link ] |
| ARNICA | Infrared camera [ Link ] |
| AUX | Auxiliary Port Imaging Camera [ Link ] |
| CANARY | On-Sky MOAO demonstrator [ Link ] |
| CIRPASS | The Cambridge Infrared PAnoramic Survey Spectrograph [ Link ] |
| CIRSI | Cambridge Infra Red Survey Instrument [ Link ] |
| CRNG | Cosmic Random Number Generator [ Link ] |
| DIP | The Durham Imaging Polarimeter [ Link ] |
| DIPOL2 | Double Image high precision POLarimeter [ Link ] |
| ELECTRA | Enhanced Light Efficiency Cophasing Telescope Resolution Actuator [ Link ] |
| EXPO | Extreme Polarimeter [ Link ] |
| FAST | Infra-red Imaging Fabry-Perot Camera [ Link ] |
| FASTCAM | Fast Camera [ Link ] |
| FLEX | Fiber Linked Experimental [ Link ] |
| FOS2 | Faint Object Spectrograph [ Link ] |
| GASP | Galway Astronomical Stokes Polarimeter [ Link ] |
| GHAFAS | Galaxy Halpha Fabry-Perot System [ Link ] |
| GHRIL | Ground-based High Resolution Laboratory [ Link ] |
| GISC | Galway Image Sharpening Camera [ Link ] |
| GLAS | Ground-layer Laser Adaptive optics System [ Link ] |
| GRACE | GRound based Adaptive optics Controlled Environment [ Link ] |
| HEXAFLEX | Fiber spectrograph [ Link ] |
| HHC | Hitch-Hiker Camera [ Link ] |
| HHS | Holographic High-Resolution Spectrograph [ Link ] |
| HiPERCAM | A high-speed camera for the study of rapid variability in the Universe [ Link ] |
| INGRID | Isaac Newton Group Red Imaging Device [ Link ] |
| INTEGRAL | Integral Spectrograph [ Link ] |
| IQUEYE | High speed photon-counting photometer [ Link ] |
| ISIS | Intermediate dispersion Spectrograph and Imaging System [ Link ] |
| LAOT | Leiden Adaptive Optics Testbed [ Link ] |
| LDSS2 | Low Dispersion Survey Spectrograph [ Link ] |
| LEXI | Leiden Exoplanet Imager [ Link ] |
| LIRIS | Long Slit Intermediate-Resolution InfraRed Spectrograph [ Link ] |
| MARTINI | Multi-Aperture Real Time Image Normalisation Instrument [ Link ] |
| MES | Manchester Echelle Spectrograph [ Link ] |
| NAOJCam | National Astronomical Observatory of Japan Camera [ Link ] |
| NAOMI | Nasmyth Adaptive Optics for Multi-purpose Instrumentation [ Link ] |
| NAOMI+INGRID | Nasmyth Adaptive Optics for Multi-purpose Instrumentation (NAOMI+INGRID) [ Link ] |
| NAOMI+OASIS | Optically Adaptive System for Imaging Spectroscopy [ Link ] |
| NAOMI+OSCA | Optimized Stellar Coronograph for Adaptive optics [ Link ] |
| ORS | Optical Resonance Spectrometer [ Link ] |
| PAUCAM | Physics of the Accelerating Universe Camera [ Link ] |
| PF-QHY | Prime Focus QHY Camera [ Link ] |
| PFIP | Prime Focus Imaging Platform [ Link ] |
| PLANETPOL | High-sensitivity polarimeter [ Link ] |
| PNS | The Planetary Nebula Spectrograph [ Link ] |
| PWFS | Pyramid Wavefront Sensor [ Link ] |
| SAURON | Spectrographic Areal Unit for Research on Optical Nebulae [ Link ] |
| SCAM | Superconducting Tunnel Junction (STJ) Camera [ Link ] |
| SLODAR | SLOpe Detection And Ranging [ Link ] |
| SPIFS | Stabilized speckle integral field spectroscopy demonstrator [ Link ] |
| TAURUS2 | Taylor Atherton Uariable-resolution Radial Uelocity System [ Link ] |
| TEIFU | Thousand Element Integral Field Unit [ Link ] |
| TRIFFID | Photometer [ Link ] |
| UES | Utrecht Echelle Spectrograph [ Link ] |
| ULTRACAM | Ultra-fast, triple-beam CCD camera [ Link ] |
| WEAVE | WHT Enhanced Area Velocity Explorer [ Link ] |
| WHIRCAM | William Herschel Infra-Red Camera [ Link ] |
| WYFFOS | Wide-field Fibre Optic Spectrograph [ Link ] |
| CIRSI | Cambridge Infra Red Survey Instrument [ Link ] |
| DIP | The Durham Imaging Polarimeter [ Link ] |
| EXOhSPEC | EXOplanet high resolution SPECtrograph [ Link ] |
| FOS1 | Faint Object Spectrograph [ Link ] |
| HARPS3 | The Terra Hunting Experiment [ Link ] |
| IDS | The Intermediate Dispersion Spectrograph [ Link ] |
| LIAP | Leicester Indium Antimonide Photometer [ Link ] |
| MES | Manchester Echelle Spectrograph [ Link ] |
| MOMI | Manchester Occulting Mask Imager [ Link ] |
| MP | Munich Photometer [ Link ] |
| MUSICOS | Multi-Site Continuous Spectroscopy spectropolarimeter [ Link ] |
| PFC | Prime Focus Camera [ Link ] |
| Pennypacker | Pennypacker Camera [ Link ] |
| STEREOSCIDAR | Scintillation Detection And Ranging [ Link ] |
| Sodium Profiler | Sodium Profiler [ Link ] |
| TAURUS1 | Fabry-Perot spectrograph and imager [ Link ] |
| TTP | Texas-Tromso Photometer [ Link ] |
| WFC | Wide-Field Camera [ Link ] |
