ISO 9039:2008 is an international standard that specifies how to determine distortion in optical systems. It is used to evaluate the quality of optical systems.
ISO 9039:2008 specifies methods of determining distortion in optical systems for the purposes of quality evaluation. It applies to optical imaging systems in the optical spectral range from 100 nm to 15 000 nm which, by their design, aim at a rotationally symmetric image geometry.
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