Material: Silicon Si, sapphire Al2O3, fused silica UV, IR Grade, BK7 etc

Dome Diameter: from 10 to 250 mm.

Dome Diameter Tolerance: 0.1 mm - standard, 0.01 mm - attainable.

Surface Quality: 60/40–standard, 20/10– attainable depending on material type and combination of other parameters.

Power/Irregularity: 5/1 (interference fringes) – standard , 0.5/0.1 (interference fringes) – attainable depending on material type and combination of other parameters. Aperture 60 deg.

Decentration: 0.05mm – standard, 0.01 – attainable.