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Line 1: {{expert\|date=July 2008}} The '''optical transfer function''' ('''OTF''') describes the spatial (angular) variation as a function of [[spatial frequency\|spatial (angular) frequency]]. When the image is projected onto a flat plane, such as photographic film or a solid state detector, spatial frequency is the preferred ___domain, but when the image is referred to the lens alone, angular frequency is preferred. OTF may be broken down into the magnitude and phase components as follows:

Optical transfer function: Difference between revisions