DIAMETER: 66.000mm + 0.000mm /- 0.050mm
CENTER THICKNESS: 5.00mm +/- 0.125mm
OVERALL THICKNESS: 10.20mm REF.ONLY
CONCAVE SAG DEPTH: 5.200mm +/- 0.025mm
CONVEX SPHERICAL RADIUS: 100.000mm +/- 0.500mm
CONCAVE SPHERICAL RADIUS: 95.000mm +/- 0.475mm
SPHERICAL SURFACE IRREG: 5.0 FRINGES MAXIMUM AT
633nm, BOTH FACES.
SPHERICAL SURFACE RMS: NOT SPECIFIED.
CENTERING ERROR: 0.025mm MAXIMUM T.I.R.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
SURFACE ROUGHNESS: NOT SPECIFIED.
EDGE BEVELS: 0.36mm +/- 0.05mm FACE WIDTH X 45deg.
CLEAR APERTURE: CONVEX FACE: 64.00mm DIAMETER.
CONCAVE FACE: 60.00mm DIAMETER.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, NOT REQUIRED.