Diameter: 60.00mm + 0.00mm /- 0.10mm
Thickness: 2.00mm +/- 0.10mm
Parallelism: 10 Arc Seconds Maximum
Edge Bevels: 0.30mm +/- 0.10mm X 45 Degrees, Both Edges
Flatness: 1 Wave Maximum @ 633nm, Both Faces
Transmitted WaveFront Error: 1/2 Wave Maximum @ 633nm
Clear Aperture: Central 80% of Diameter Faces
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required