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ISO 11421:1997
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ISO 11421:1997 Optics and optical instruments - Accuracy of optical transfer function (OTF) measurement
standard by International Organization for Standardization, 09/01/1997
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Full Description
This International Standard gives general guidance on evaluating the sources of error in optical transfer function (OTF) equipment and in using this information to estimate errors in a measurement of OTF. It also gives guidance on assessing and specifying a general accuracy value for a specific measuring equipment, as well as recommending methods of routine assessment.
The main body of this International Standard deals exclusively with the modulation transfer function (MTF) part of the OTF. The phase transfer function (PTF) is dealt with relatively briefly in annex A.