Configuration: Disc, Plano – Convex.
Diameter: 0.591″+.000″/-.005″
Center Thickness: 0.135″+/-.005″
Edge Bevels: 0.025″ Maximum Face Width x 30 Degrees to 60 Degrees,
Both Edges
Wedge Error: 0.001″ Maximum F.I.M.
Spherical Convex Radius: 26.600mm +/- 0.133mm
Surface Accuracy: Plano Face: Power: 1/2 Wave Maximum @ 633nm
Irregularity: 1/2 Wave Maximum @ 633nm
Convex Face: Power: Controlled by Radius Tolerance
Irregularity: 1/2 Wave Maximum @ 633nm
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
Surface Roughness: 50 Angstroms RMS Maximum, Both Faces
Clear Aperture: Central 0.525″ Diameter, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required
Marking: Arrow on OD Surface Pointing Towards Convex Face