pecifications
| MaterialUV grade fused silicaDimension Tolerance+0.0/-0.2mmThickness Tolerance±0.2mmClear Aperture>90%ParallelismStandard: 1 arc minuteHigh Precision: 10 arc secondsSurface QualityStandard: 60/40High Precision: 20/10Wavefront DistortionStandard: λ@633nm per 25mmHigh Precision: λ/10@633nm per 25mmChamferProtected <0.5mmx45degCoatingUncoated, available |