Accurate gauging equipment is of no value without proper calibration.
Machined to Essilor glass master standards, our Precision Gauge Calibration Standards provide a known accuracy for the entire lab. Our standards are CNC turned on a stainless steel lap tool base and have a 0.002mm accuracy at 40mm sag., guaranteed. Precision Standards are available in plano, 3.00 diopter, 6.00 diopter, & 10.00 diopter curves. All curves are offered in both concave and convex styles. Order sets of standards for additional discounts.