ISO 11421:2025
ISO 11421:2025 Optics and photonics — Uncertainty of optical transfer function (OTF) measurement
CDN $337.00
This publication was last reviewed and confirmed in 2025.
Optics and photonics — Uncertainty of optical transfer function (OTF) measurement
Description
This document 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 uncertainty for a specific measuring equipment, as well as recommending methods of routine assessment.
The main body of this document 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.
Edition
2
Published Date
2026-06-19
Status
PUBLISHED
Pages
44
Language
English
Format
Secure PDF
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Abstract
This document 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 uncertainty for a specific measuring equipment, as well as recommending methods of routine assessment.
The main body of this document 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.
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