TS ISO 10110-4

TS ISO 10110-4 is a part of the TS ISO 10110 series for preparing technical drawings of optical elements and optical systems. This part focuses on how material imperfections are represented, specifically inhomogeneity and striae, so that design intent and inspection needs can be communicated clearly on optical drawings. In optical manufacturing, these imperfections matter because they can influence transmission, refraction and overall image quality.

Where material imperfections fit in optical drawing practice

In general technical practice, an optical drawing does more than define dimensions and geometry: it also carries material-related requirements that affect performance. Inhomogeneity refers to variation in refractive index within the material, while striae are streak-like refractive-index variations commonly associated with glass. Treating these terms separately on drawings helps the manufacturer and the inspector work from the same quality language.

What this part addresses

Based on the published scope, this standard belongs to the ISO 10110 framework for presenting design and functional requirements of optical elements and systems in technical drawings. TS ISO 10110-4 is specifically concerned with the presentation of inhomogeneity and striae as material imperfections, supporting unambiguous specification in manufacturing and inspection documents. Within the series, this allows different optical characteristics to be described in a consistent drawing language.

This record corresponds to a withdrawn standard, but it remains useful as a reference for understanding optical drawing terminology and how material quality characteristics are classified on engineering drawings.