ISO 14490-6:2014
Optics and photonics — Test methods for telescopic systems — Part 6: Test methods for veiling glare index
ISO 14490-6:2014 specifies the test methods for the determination of the veiling glare index of telescopic systems and observational telescopic instruments.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General considerations
5 Principle
6 Test arrangement
6.1 General
6.2 Integrating sphere
6.3 Object-side collimator
6.4 Test specimen mounting
6.5 Limiting stop
6.6 Measurement and evaluation unit
7 Procedure
7.1 Adjustment of the measurement set-up
7.2 Determination of results
8 Presentation of results
9 Repeatability
10 Test report
Annex A (informative) Method for determination of the luminance ratio of the black reference surface to the internal surface of the integrating sphere
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General considerations
5 Principle
6 Test arrangement
6.1 General
6.2 Integrating sphere
6.3 Object-side collimator
6.4 Test specimen mounting
6.5 Limiting stop
6.6 Measurement and evaluation unit
7 Procedure
7.1 Adjustment of the measurement set-up
7.2 Determination of results
8 Presentation of results
9 Repeatability
10 Test report
Annex A (informative) Method for determination of the luminance ratio of the black reference surface to the internal surface of the integrating sphere
Bibliography