CE Certificated
Description:
Specification:
Measuring Range
Curvature Radius
5.5—11mm
Diopter
30—60D
Minimum Division
Radius
0.02mm
0.25D
Minimum Surface Area Required by Measurement
r=5.5mm
φ1.65mm
r=7.5mm
φ2.36mm
r=11mm
φ3.36mm