Optics and optical instruments - Specifications for binoculars, monoculars and spotting scopes - Part 2: High performance instruments (ISO 14133-2:2016); Text in German and English
Optics and photonics - Specifications for binoculars, monoculars and spotting scopes - Part 2: High performance instruments (ISO 14133-2:2016)— 11 стр.