Historical
ISO 14135-1:2014
Optics and photonics - Specifications for telescopic sights - Part 1: General-purpose instruments
ISO 14135-1:2014 applies to general-purpose telescopic sights, used on hand-held firearms and airguns. It contains a classification to the usage of telescopic sights and specifies interfaces, minimum requirements, and tolerances to their performances.
High-performance telescopic sights are specified in ISO 14135‑2.
International Organization for Standardization [iso]