NEN EN ISO 8598-1 : 2014
Current
Current
The latest, up-to-date edition.
OPTICS AND OPTICAL INSTRUMENTS - FOCIMETERS - PART 1: GENERAL PURPOSE INSTRUMENTS USED FOR MEASURING SPECTACLE LENSES
Published date
12-01-2013
Publisher
Defines 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.
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