CONFIGURATION: DISC, CONCAVE-CONVEX
DIAMETER: 25.00mm + 0.00mm /- 0.10mm
CENTER THICKNESS: 5.00mm +/- 0.20mm
CENTERING TOLERANCE: 0.025mm MAXIMUM T.I.R.
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
FOCAL LENGTH: 38.00mm +/- 0.50%
CONVEX RADIUS: 23.175mm +/- 0.12mm
CONCAVE RADIUS: 100.00mm +/- 0.50mm
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, NOT REQUIRED.