Optics and optical instruments - Focimeters - Part 1: General purpose instruments used for measuring spectacle lenses
NORM herausgegeben am 1.2.2015
Bezeichnung normen: ČSN EN ISO 8598-1
Zeichen: 195015
Katalog-Nummer: 96483
Ausgabedatum normen: 1.2.2015
Zahl der Seiten: 40
Gewicht ca.: 120 g (0.26 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This part of ISO 8598 specifies requirements and test methods for general purpose focimeters designed for the measurement of vertex powers, cylinder axis, prismatic power and prism base setting within a restricted area at a specified location of a lens. This excludes instruments that can only measure the whole lens at once.
It is applicable to instruments typically intended for use by the ophthalmic community, with the capability to demonstrate conformity of lens products with the International Standards existing for these lenses