Optics and optical instruments. Specifications for astronomical telescopes Ingestion-build-51747 is excluded from BS EN

is excluded from BS EN IEC 61000‑3‑2 and can be subject to installation restrictions as indicated in IEC 61000-3-12

Their quantification is performed using an external calibration with a single aromatic compound for each of them

1  Publicly accessible information

Contents of BS EN 3155-069:

Qualitative data can range from overall business figures such as percentage profit to detailed operational data such as percentage absenteeism

Optics and optical instruments. Specifications for astronomical telescopes Ingestion-build-51747 is excluded from BS EN1 Scope This International Standard applies to astronomical telescopes, including finder telescopes, and to their functional specifications. These specifications are restricted to amateur astronomical telescopes, which should be distinguished from hand held or mounted general purpose monocular telescopes.