DIN Standards Committee Optics and Precision Mechanics
ISO 14133-1
Optics and optical instruments - Specifications for binoculars, monoculars and spotting scopes - Part 1: General purpose instruments
Optik und optische Instrumente - Anforderungen an binokulare Fernrohre, monokulare Fernrohre und Spektive - Teil 1: Instrumente für den allgemeinen Gebrauch
Responsible national committee
NA 027-01-10 AA - Telescopic systems