CONFIGURATION: DISC, BI-CONVEX
DIAMETER: 1.300″+.000″/-.005″
CENTER THICKNESS: 0.280″+/-.005″
CENTERING ERROR: 3 ARC MINUTES MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
SURFACE FINISH: 20-10 PER MIL-O-13830, 2 FACES.
SURFACE”1″ SPH.RADIUS: 2.037″+/-.020″ CONVEX.
SURFACE”2″ SPH.RADIUS: 2.037″+/-.020″ CONVEX.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM, 2 FACES.
MATERIAL TYPE/QUALITY: SCHOTT BK-7, GRADE A,
FINE ANNEALED.
COATING: ANTIREFLECTIVE COATED FOR 0.25% MAXIMUM
REFLECTANCE AT 1.064um WITH A NORMAL
INCIDENCE ANGLE, APPLIED TO BOTH FACES.