CONFIGURATION: DISC, PLANO-CONVEX
DIAMETER: 0.206″+/-.002″
CENTER THICKNESS: 0.0937″ REF.
EDGE THICKNESS: 0.078″+/-.002″
CENTRATION ERROR: NOT SPECIFIED.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL/PLANO EDGE ONLY
FOCAL LENGTH: 0.452″ REF.
SPHERICAL RADIUS: 0.3505″+/-.0025″ (CONVEX)
SURFACE ACCURACY: 5 FRINGES MAXIMUM, 2 FACES.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: NOT SPECIFIED.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, NOT REQUIRED.