Optical transfer function
OverviewDefinition and related conceptsExamplesThe three-dimensional optical transfer functionCalculationMeasurementFactors affecting MTF in typical camera systemsDigital inversion of the OTF
The optical transfer function (OTF) of an optical system such as a camera, microscope, human eye, or projector is a scale-dependent description of their imaging contrast. Its magnitude is the image contrast of the harmonic intensity pattern,, as a function of the spatial frequency,, while its complex argument indicates a phase shift in the periodic pattern. The optical transfer function is used by optical engineers to describe how th
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