
OPTICS AND OPTICAL INSTRUMENTS - FOCIMETERS - PART 1: GENERAL PURPOSE INSTRUMENTS USED FOR MEASURING SPECTACLE LENSES
出版:Ente Nazionale Italiano di Unificazione (UNI)

專家解讀視頻
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.