GB/T 13742-2009Accuracy of optical transfer function (OTF) measurement (English PDF)
光学传递函数测量准确度
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
September 30, 2009
Implementation date
December 1, 2009
Scope
GB/T 13742-2009 is the English-translated version of 光学传递函数测量准确度.
GB/T 13742-2009 — This standard specifies the sources of error and error of the optical transfer function (OTF) measurement device for evaluating the estimated General Guidelines, and mention an optical transfer function measurement device for measuring the accuracy of assessment guidelines and evaluation methods.
This standard applies to all kinds of optical transfer function measurement device.
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Document preview — GB/T 13742-2009
National Standard of the People's Republic of China
- ICS
- 17.180.01
- Classification
- N 30
- Replacing
- GB/T 13742-1992
Issued by: Standardization Administration of China
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions, symbols
- Sources of error measuring device 3
- Evaluation Method of measuring device accuracy 5
- Calculation of total measurement error of 6
- The accuracy of the measurement device
- 8 Routine performance evaluation
- Appendix A (normative) phase transfer function (PTF) measurement accuracy
- 20 Parameters to determine the rate of each change MTF Annex B (informative)
- Annex C (informative) Nominal accuracy (NAV) Calculation
- References
Foreword
This standard is identical with ISO 11421:1997 "Optics and optical instruments - Optical transfer function measurement accuracy." this standard is equivalent to translate ISO 11421:1997.
For ease of use, this standard also made the following editorial changes.
--- "This International Standard" be replaced by "this standard";
--- Delete foreword international standards;
--- International Standard Appendix D to this standard "reference." this standard replaces GB/T 13742-1992 "optical transfer function measurement accuracy." this standard and GB/T 13742-1992 main differences are as follows.
--- To increase the content of Chapter 3. Terms and definitions, symbols;
--- Chapter 4 has increased the impact "coherent light" and "baseline error" for MTF measurement;
--- Chapter 4 adds MTF measurement error on a mathematical expression or formula;
--- Chapter 7 increased preferences nominal value calculation accuracy table;
--- Added Appendix A, Appendix B, Appendix C.
Appendix A of this standard is a normative appendix, Appendix B, Appendix C is informative appendix.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee photon science and optics (SAC/TC103) centralized.
1 Scope
This standard specifies the sources of error and error of the optical transfer function (OTF) measurement device for evaluating the estimated General Guidelines, and mention an optical transfer function measurement device for measuring the accuracy of assessment guidelines and evaluation methods.
This standard applies to all kinds of optical transfer function measurement device.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 4315.1 OTF Part 1. terminology, symbols (GB/T 4315.1-2009, ISO 9334:2007, Opti-caltransferfunction-Definitionsandmathematicalrelations, MOD) GB/T 4315.2 OTF - Part 2. Measurement Guidelines (GB/T 4315.2-2009, ISO 9335:1995, Opti-caltransferfunction-Principlesandproceduresofmeasurement, IDT)
3 Terms and definitions, symbols
3.1 Terms and Definitions
GB/T 4315.1 and established the following terms and definitions apply to this standard.
3.1.1
By a plane containing a single or a plurality of lenses. Standard lens measurements shall be strictly in accordance with the specified measurement conditions, the MTF Deviation measured value and the theoretical value of the MTF calculated is not more than 0.05.
NOTE. In order to meet the accuracy requirements, the standard lens is usually a simple structure, properties subject to strict regulations. For example, using a 50mm focal length is generally flat Convex standard lens. These lenses and several other standard lens (including afocal system and work in the infrared lens) is not difficult to obtain.
3.1.2
By one or more structurally stable lenses. Check the lens MTF values can not design data (usually a synthetic lens Results) calculated, but by official agencies (conditions permitting preferred national standards laboratory), carried out under the test conditions specified measurement to obtain the amount of its recognized value.
3.2 Symbol
Table 1 symbols apply to this standard.
Table 1 Symbol
Symbol Parameter Unit GB/T 13742-2009/ISO 11421:1997
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 157 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4315.1Optical transfer function -- Part 1: Terminology and symbol
- GB/T 4315.1-2009Optical transfer function -- Part 1: Terminology and symbol
- GB/T 4315.2Optical transfer function -- Part 2: Directives of measurement
- GB/T 4315.2-2009Optical transfer function -- Part 2: Directives of measurement
ISO 9334 · ISO 9335
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Related Standards
GB/T 4315.1-2009 — Optical transfer function -- Part 1: Terminology and symbol
GB/T 4315.2-2009 — Optical transfer function -- Part 2: Directives of measurement
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