ISO 14134:2006 Preview
Optics and optical instruments -- Specifications for astronomical telescopes
This standard was last reviewed and confirmed* in 2015.
*Therefore this version remains current
ISO 14134:2006 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.