DIAMETER: 0.5000″+/-.002″
THICKNESS: 0.50mm +/- 0.05mm
PARALLELISM: 0.025mm / 25.40mm MAXIMUM T.I.R.
FLATNESS: 1 WAVE MAXIMUM OVER CENTRAL 90% CLEAR
APERTURE, 2 FACES.
SURFACE FINISH: 80-50 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: ANTIREFLECTIVE COATED WITH MgF2 FOR
MAXIMUM TRANSMISSION FROM 400nm TO 700nm,
APPLIED TO BOTH FACES.