CONFIGURATION: DISC, CONCAVE/CONVEX
DIAMETER: 15.00mm + 0.00mm /- 0.10mm
CENTER THICKNESS: 2.50mm +/- 0.25mm
CENTERING ERROR: 3 ARC MINUTES MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE QUALITY: 60-40 PER MIL-O-13830, 2 FACES.
FOCAL LENGTH: -50.00mm AT 546.1nm
SURFACE “1” SPH. RADIUS: 24.71mm CONCAVE
SURFACE”2″ SPH.RADIUS: 627.40mm CONVEX
SURFACE ACCURACY: 1/2 WAVE MAXIMUM, 2 FACES.
MATERIAL TYPE/QUALITY: SCHOTT BK-7, GRADE A,
FINE ANNEALED.
COATING: NONE, UNCOATED SUBSTRATE.