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AberrationDistortionSpherical aberrationChromatic aberrationAstigmatismCircle of confusionBeam divergenceDiffraction gratingOptical powerEtendueAberration of lightPhysical opticsOpticsSpatial filterDispersionCrystal opticsDispersive prismStigmatismDiffuse reflectionDefocusAchromatic lensModal dispersionFocusOptical transfer functionRelativistic aberrationDiffuserApertureNumerical apertureDichroismLensPupil functionFraunhofer diffraction equationObjectiveBirefringenceGravitational lensComaAiry diskRefracting telescopeFraunhofer diffractionAtmospheric refractionAplanatOptical proximity correctionLens flareDepth of focusRefractionAdaptive opticsBeam splitterFocal lengthOptical axisGaussian opticsCollimatorBarlow lensAngle of incidenceHyperfocal distanceAchromatic telescopeGroup velocity dispersionConvex lensOptical engineeringApparent horizonPolarization mode dispersionSmall-angle scatteringOptical coatingAutocollimationOrbital angular momentum of lightCondenserOptical instrumentScatteringMirageRefractive indexSuperlensCylindrical lensVirtual focusOptical rotatory dispersionMirage of astronomical objectsOptical activityApochromatDiffusionReflecting telescopePhase angleThin lensDiffraction-limited systemInterference filterOptical flowSelf-focusingParaxial approximationDoppler broadeningLagrange invariantTransparency and translucencyPhased-array opticsCatadioptric systemVisual anglePhase functionCaustic curveOptical phenomenaDeformable mirrorLight echoThin-film interferenceGhost imageBinocular disparityDouble-gauss lens