AS ISO 5.1:2023 identically adopts ISO 5 1:2009, which establishes terms, symbols, functional notations and a coordinate system to describe geometric and spectral conditions for the measurement of the degree to which a specimen modulates radiant flux for applications in photography, graphic technology, and radiometry
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Equations
5 Instrument representation
6 Coordinate system
7 Description of geometry
8 Functional notation
8.1 General
8.2 Geometric conditions
8.2.1 General
8.2.2 Directional geometry
8.2.3 Annular geometry
8.2.4 Hemispherical geometry
8.3 Spectral conditions
8.3.1 Illuminator
8.3.2 Receiver
8.3.3 Spectral product
8.4 Examples of functional notation
8.4.1
8.4.2
Annex A
A.1 General
A.2 Terms and definitions used in other parts of ISO 5
