TS ISO 10110-11

TS ISO 10110-11 is part of the drawing language used for optical elements and systems, and it addresses how data that are not explicitly toleranced on the drawing are to be understood. In manufacturing and inspection drawings, this helps interpret permissible deviations and material imperfections that are not stated directly.

What non-toleranced data mean in optical drawings

In optical manufacturing, not every feature on a drawing is given an individual numerical tolerance. Some dimensions, surface characteristics, or material imperfections may be governed by general rules or standardized assumptions instead. Correctly reading these non-toleranced data matters because optical shape, alignment, and performance can be affected by very small deviations. In general technical terms, this approach defines the relationship between requirements that are explicitly stated on the drawing and the minor variations that are inevitable in production but not separately called out.

Practical role within the ISO 10110 series

Within the wider ISO 10110 drawing structure, this part clarifies how unspecified conditions are to be interpreted. It helps manufacturers and inspectors apply the same understanding to details that are not written out on the drawing. That is especially useful where small geometric deviations in optical components can influence image quality, light transmission, and system fit.

• It governs how data not explicitly defined on the drawing are interpreted.
• It supports a common technical language for manufacture and inspection.
• It promotes consistent application across optical elements and systems.
• It clarifies the distinction between stated requirements and unspecified data.