Material:Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2, Germanium etc
Dimension Tolerance:±0.1mm(Standard), ±0.01mm(High Precision)
Center Thickness Tolerance:±0.1mm(Standard), ±0.02mm(High Precision)
Material:low-index Crown Glass& high-index Flint Glass CDGM, Schott, Ohara etc
Dimension Tolerance::±0.1mm(Standard), ±0.01mm(High Precision)
Center Thickness Tolerance::±0.1mm(Standard), ±0.05mm(High Precision)