ISO 17123-1
Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 1: Theory
Optik und optische Instrumente - Feldprüfverfahren geodätischer Instrumente - Teil 1: Theorie
Responsible national committee
NA 005-03-04 AA - Geodetic and surveying instruments (national mirror committee for ISO/TC 172/SC 6)