TS ISO 10110-7

TS ISO 10110-7. OFFICIAL SCOPE IS UNAVAILABLE. This standard belongs to the ISO 10110 family for preparing drawings of optical elements and systems, with a focus on how surface imperfection tolerances are identified on technical drawings. At the level of the title, its subject is the controlled communication of surface quality for optical parts such as lenses, windows, prisms, and assembled optical systems, so that design intent and manufacturing expectations can be read consistently.

Why surface imperfections matter in optical drawings

In optics, surface imperfections are not only cosmetic. Scratches, pits, digs, sleeks, and related defects can contribute to scatter, stray light, reduced transmission, and image degradation. That is why surface-related information on an optical drawing is part of the technical definition of the item, alongside dimensions, form, and alignment data. In general technical terms, a drawing standard in this area helps separate what is being specified from how a maker chooses to achieve it.

How this topic fits into optical specification practice

Within optical engineering, different surface descriptors are often used for different purposes: roughness, waviness, and imperfection tolerance do not mean the same thing. The title of TS ISO 10110-7 indicates a standardized drawing language for imperfection tolerance rather than a blanket statement about all surface properties. As a result, this subject is best understood as part of a broader optical specification system, not as a general performance guarantee or a complete manufacturing method.

• Consistent notation for surface imperfections on optical drawings
• Applicable to optical elements and optical systems as a documentation topic
• Helps distinguish imperfection tolerance from other surface and geometry specifications