CONFIGURATION: DISC, BI-CONVEX EFL = 8.00mm
DIAMETER: 7.50mm + 0.00mm /- 0.10mm
CENTER THICKNESS: 3.35mm +/- 0.10mm
CENTERING ERROR: 3 ARC MINUTES MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE FINISH: 60-40 PER MIL-O-13830, 2 FACES.
SURFACE”1″ SPH.RADIUS: 6.54mm +/- 0.25mm CONVEX.
SURFACE”2″ SPH.RADIUS: 6.54mm +/- 0.25mm CONVEX.
SURFACE ACCURACY: 1/2 WAVE MAXIMUM, 2 FACES.
MATERIAL TYPE/QUALITY: FUSED SILICA, OPTICAL GRADE
COATING: NONE, NOT REQUIRED.