| Generic instrument | instr |
| Generic imaging instrument (camera, imager) | instr.imager |
| Adaptive optics imager | instr.imager.adaptive-optics |
| Coronal imager | instr.imager.coronal |
| Echelle imager | instr.imager.echelle |
| Wide-field imager | instr.imager.wide-field |
| Superconducting Tunnel Junction imager | instr.imager.STJ |
| Infrared imager | instr.imager.*;em.IR |
| Medium infrared imager | instr.imager.*;em.MIR |
| Near infrared imager | instr.imager.*;em.NIR |
| Optical imager | instr.imager.*;em.opt |
| Far ultraviolet imager | instr.imager.*;em.FUV |
| X-ray imager | instr.imager.*;em.X-ray |
| Hard X-ray imager | instr.imager.*;em.X-ray.hard |
| Gamma ray imager | instr.imager.*;em.gamma |
| High resolution imager | instr.imager.*;pos.angResolution.high |
| Low resolution imager | instr.imager.*;pos.angResolution.low |
| Generic spectrograph | instr.spectrograph |
| Coude spectrograph | instr.spectrograph.coude |
| Echelle spectrograph | instr.spectrograph.echelle |
| Fiber-fed echelle spectrograph | instr.spectrograph.echelle.fiber-fed |
| Fabry-Perot spectrograph/interferometer | instr.spectrograph.Fabry-Perot |
| Grating spectrograph | instr.spectrograph.grating |
| Multi-order grating spectrograph | instr.spectrograph.grating.multiorder |
| Grism | instr.spectrograph.grism |
| Imaging spectrograph | instr.spectrograph.imaging |
| Integral-field (3D, image-slicing) spectrograph | instr.spectrograph.integral-field |
| Multi-fiber spectrograph | instr.spectrograph.multi-fiber |
| Multi-object spectrograph | instr.spectrograph.multi-object |
| Multi-slit spectrograph | instr.spectrograph.multi-slit |
| Spectrograph with OH band suppressor | instr.spectrograph.OHsuppression |
| Spectro-polarimeter | instr.spectrograph.polarimeter |
| Medium infrared spectrograph | instr.spectrograph.*;em.MIR |
| Near infrared spectrograph | instr.spectrograph.*;em.NIR |
| Optical spectrograph | instr.spectrograph.*;em.opt |
| Ultraviolet spectrograph | instr.spectrograph.*;em.UV |
| Low-dispersion spectrograph | instr.spectrograph.*;instr.dispersion.low |
| High-dispersion spectrograph | instr.spectrograph.*;instr.dispersion.high |
| Low-resolution spectrograph | instr.spectrograph.*;pos.angResolution.low |
| Medium-resolution spectrograph | instr.spectrograph.*;pos.angResolution.medium |
| High-resolution spectrograph | instr.spectrograph.*;pos.angResolution.high |