Optics and optical instruments. Specifications for astronomical telescopes Ingestion-build-98192 BS EN 12350-7:2019 supersedes BS

BS EN 12350-7:2019 supersedes BS EN 12350-7:2009

It creates a standardized approach for manufacturers of heat-resisting nickel-base alloy to adhere to if they supply their metallic materials for use by the aerospace and defence industry

multiple printing equipment

and preventing or at the very least reducing equipment damage caused by high currents

This ATSVR specification does not prejudice those standards and does not seek to establish parameters for future AVI/AEI standards

Optics and optical instruments. Specifications for astronomical telescopes Ingestion-build-98192 BS EN 12350-7:2019 supersedes BS1 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.