instruments: classes (512)
- Thing
- aberration
- absorptionSpectroscopy
- activeOptics
- adaptiveOptics
- airplaneBorneInstrument
- AiryDisk
- alignmentOptics
- allSkyCamera
- allSkyPhotography
- altazimuthMounting
- altimeter
- altimetry
- altitudeAngle
- aluminizing
- aluminum
- aluminumCoating
- amplifier
- analogRecorder
- anemometer
- angularResolution
- antarcticObservatory
- antenna
- antennaDesign
- antireflectionCoating
- aperture
- apertureSynthesis
- apodization
- armillarySphere
- array
- artificialSatellite
- astigmatism
- astrograph
- astrographicCamera
- astrolabe
- astrometricInstrument
- astrometry
- astronomicalOptics
- atmosphericWindow
- atomicClock
- attenuation
- autoguider
- automatedTelescope
- automaticPatrolTelescope
- auxiliaryInstrument
- avalanchePhotodiode
- BakerNunnCamera
- balloonBorneInstrument
- barometer
- beamSwitching
- beamWaveguide
- beamwidth
- BesselPhotometry
- biasCalibration
- blinkComparator
- bolometer
- BouwersTelescope
- broadBandPhotometry
- calibration
- camera
- cameraLens
- CapePhotometry
- CapeRiPhotometry
- CassegrainAntenna
- CassegrainFocus
- CassegrainTelescope
- catadioptricSystem
- cathode
- catoptricSystem
- CcdDetector
- CcdObservation
- CcdPhotometry
- CerenkovCounter
- chargeCoupledDevice
- chargeInjectionDevice
- chargeTransferDevice
- chromaticAberration
- cleanMethod
- clock
- cloudMonitor
- coating
- coelostat
- collimation
- collimator
- colorimetry
- colorPhotography
- coma
- comaticAberration
- comparisonLamp
- controlSystem
- coronagraph
- correctorPlate
- correlation
- CoudeFocus
- CoudeSpectrograph
- CoudeSpectrum
- counter
- cryogenics
- cryostat
- DanjonAstrolabe
- darkCurrentCalibration
- darkroom
- dataAcquisition
- dataStorage
- DdoPhotometry
- deadTimeCalibration
- densitometer
- densitometry
- detector
- detectorArray
- dichroicMirror
- DickeRadiometer
- differentialImageMotionMonitor
- diffractionGrating
- digitalImage
- digitalRecorder
- diode
- diodeArray
- dioptricSystem
- dipoleAntenna
- directionalAntenna
- dishAntenna
- dome
- domeSeeing
- driftScan
- drive
- dustDetector
- echelleGrating
- echelleSpectrograph
- echelleSpectrum
- electrode
- electronicCamera
- electronicEquipment
- electronics
- electronographicCamera
- EnglishMounting
- equatorialMounting
- eyepiece
- FabryPerotInterferometer
- FabryPerotSpectrograph
- falseColorPhotography
- feed
- feedHorn
- fiberOptics
- fieldCorrector
- fieldCurvature
- fieldOfView
- figuring
- filter
- filterWheel
- findingChart
- flatField
- flatFieldLamp
- flattening
- flexure
- focalReducer
- focus
- forkMounting
- FourierSpectrograph
- FourierTransformSpectroscopy
- gammaRayObservatory
- gammaRaySpectrograph
- gammaRaySpectroscopy
- gammaRayTelescope
- GenevaPhotometry
- geophysicalObservatory
- geostationarySatellite
- GermanMounting
- glass
- globalPositioningSystem
- gratingResponse
- gratingRing
- gratingSpectrograph
- gravimetry
- grazingIncidence
- grazingIncidenceSpectrograph
- grazingIncidenceTelescope
- GregorianTelescope
- grism
- guideSystem
- GunnDiode
- GunnPhotometry
- halfWavePlate
- HAlphaPhotometry
- HartmannTest
- HBetaPhotometry
- heliograph
- heliometer
- heliostat
- heterodyne
- highResolutionSpectrosopy
- highResolutionSpectrum
- highSpeedPhotometer
- hornAntenna
- horseshoeMounting
- HstPhotometry
- HubbleSpaceTelescope
- image
- imageTube
- imagingInstrument
- impersonalAstrolabe
- inertialReferenceFrame
- infraredDetector
- infraredObservatory
- infraredTelescope
- instrument
- instrumentalProfile
- integralFieldSpectrograph
- integrationTime
- intensityInterferometer
- interferenceFilter
- interferenceFringe
- interferenceNoise
- interferenceSpectrosocopy
- interferometer
- interferometricCorrelation
- interferometry
- iodineCell
- IrasSatellite
- JohnsonNoise
- JohnsonPhotometry
- KellnerEyepiece
- KronCousinsPhotometry
- lamp
- laser
- laserRanging
- lens
- lensAntenna
- lensDesign
- linearityCalibration
- lineProfile
- longBaselineInterferometer
- longBaselineInterferometry
- longSlit
- longSlitSpectrum
- magnetograph
- magnetoheliograph
- magnetoOpticalEffect
- MaksutovTelescope
- measuringInstrument
- mechanicalComponent
- mediumBandPhotometry
- meridianCircle
- meteorCamera
- metrology
- MichelsonInterferometer
- MichelsonInterferometry
- microchannelPlate
- microdensitometer
- microdensitometry
- micrometer
- microphotometer
- microwaveAntenna
- microwaveImaging
- microwaveSpectroscopy
- MillsCrossAntenna
- mirror
- mirrorCell
- model
- modulationTransferFunction
- monochromator
- multiChannelDetector
- multiChannelSpectrograph
- multiFiberSpectrograph
- multipleMirrorTelescope
- multiSlitSpectrograph
- narrowBandPhotometry
- NasmythFocus
- neutralDensityFilter
- NewtonianFocus
- NewtonianTelescope
- noise
- objective
- objectiveGrating
- objectivePrism
- oblateness
- observation
- observatory
- occultingDisk
- opticalAberration
- opticalComponent
- opticalDesign
- opticalFiber
- opticalFilm
- opticalFilter
- opticalGlass
- opticalInstrument
- opticalInterferometer
- opticalInterferometry
- opticalMaterial
- opticalObservation
- opticalObservatory
- opticalRadar
- opticalScanners
- opticalSpectrograph
- opticalSpectroscopy
- opticalSurface
- opticalSystem
- opticalTelescope
- opticalTesting
- opticalTransferFunction
- opticalTransmissionWindow
- opticalWaveguide
- opticalWindow
- optics
- orrery
- orthoscopicEyepiece
- parabolicAntenna
- parabolicMirror
- parabolicReflector
- parametricAmplifier
- pendulum
- phasedArray
- phaseSensitiveDetector
- phaseSwitching
- phaseSwitchingInterferometer
- phosphorescentScintillation
- photocathode
- photoconductiveCell
- photodiode
- photoelectricInstrument
- photoelectricPhotometer
- photoelectricPhotometry
- photoelectronicDevice
- photogrammetry
- photograph
- photographicAstrometry
- photographicDeveloper
- photographicEmulsion
- photographicFilm
- photographicFilter
- photographicInstrument
- photographicMaterial
- photographicPhotometry
- photographicPlate
- photographicProcessing
- photography
- photoheliograph
- photometer
- photometricElement
- photometricSystem
- photometry
- photomultiplierTube
- photonCountingSystem
- photovoltaicCell
- physicalObject
- pointSpreadFunction
- polarimeter
- polishing
- positionSensitiveProportionalCounter
- preamplifier
- primaryLens
- primaryMirror
- primeFocus
- prism
- prismSpectrograph
- proportionalCounter
- pulseCounter
- pulseCounting
- quadrant
- quadrantDetector
- quantumEfficiency
- quarterWavePlate
- radar
- radarEquipment
- radarMapping
- radarTelescope
- radioAntenna
- radioheliograph
- radioInterference
- radioInterferometer
- radioInterferometry
- radiometer
- radiometry
- radioObservatory
- radioSpectrograph
- radioSpectroscopy
- radioTelescope
- radioTransmissionWindow
- radioWaveguide
- RamsdenEyepiece
- rangeFinder
- readOutNoise
- reflectingTelescope
- reflectionGrating
- reflectorAntenna
- refractingTelescope
- remoteControlSystem
- remoteSensing
- resolution
- reticle
- reticonArray
- rgbPhotometry
- rguPhotometry
- RitcheyChretienTelescope
- rocketBorneInstrument
- satellite
- satelliteBorneInstrument
- satelliteLaserRanging
- SchmidtCamera
- SchmidtTelescope
- scintillation
- scintillationCounter
- secondaryMirror
- seeing
- seeingMonitor
- segmentedOptics
- selfCalibrationMethod
- semiconductorDevice
- sensitivity
- sensitometer
- sextant
- shapedReflector
- shotNoise
- shutter
- sidelobe
- siderostat
- silverCoating
- siteProtection
- siteTesting
- slitMask
- SloanPhotometry
- solarObservatory
- solarOpticalTelescope
- solarRadioTelescope
- solarTelescope
- spaceAstrometry
- spaceObservatory
- spaceProbeInstrument
- spaceTelescope
- spaceVehicle
- speckle
- speckleInterferometry
- spectralBand
- spectralResolution
- spectrograph
- spectrographSlit
- spectrography
- spectroheliograph
- spectrophotometer
- spectroscopy
- spectrum
- sphericalAberration
- streakPhotography
- stroboscope
- StromgrenPhotometry
- subreflector
- superconductingTunnelJunction
- synchronousDetector
- tArray
- telescope
- telescopeArray
- telescopeConstruction
- telescopeDesign
- telescopeInstrument
- telescopeMirror
- telescopeMounting
- television
- televisionCamera
- televisionDetector
- temperatureControl
- tertiaryMirror
- thinFilm
- threeDimensionalSpectroscopy
- timeMeasurement
- timeResolvedSpectroscopy
- timeSignal
- timeSynchronization
- timingEquipment
- tipTiltMirror
- tracking
- transferFunction
- transitCircle
- transitInstrument
- transitTelescope
- transmissionGrating
- twoDimensionalDetector
- twoDimensionalSpectroscopy
- ultravioletCamera
- ultravioletDetector
- ultravioletFilter
- ultravioletObservatory
- ultravioletPhotography
- ultravioletSpectrograph
- ultravioletTelescope
- vacuumTechnique
- vaporDeposition
- verticalCircle
- VeryLargeArray
- veryLargeTelescope
- veryLongBaselineInterferometer
- veryLongBaselineInterferometry
- vignetting
- VilniusPhotometry
- visibilityFunction
- VphGrating
- WalravenPhotometry
- waveguide
- weatherStation
- webcam
- wideAngleLens
- wideFieldTelescope
- windVane
- XRayDetector
- XRayObservatory
- XRaySpectrograph
- XRayTelescope
- YagiAntenna
- yArray
- yokeMounting
- zenithTelescope
- zenithTube