Radius of curvature, thickness, diameter, segment height and dioptric and prismatic powers, as well as a subjective method for assessing defect.
More Standards PDF
BS PD CEN/TR 15371-2:2021
$80.00 $160.00
BS PD CEN/TS 17440:2020
$184.00 $368.00
BS PD IEC TR 62271-312:2021
$184.00 $368.00
BS PD ISO/IEC TR 63306-1:2020
$199.00 $398.00





