LC-0528(2.94)-CaF-UC

CONFIGURATION: DISC, PLANO-CONCAVE
DIAMETER: 0.500″+.000″/-.005″
EDGE THICKNESS: 0.160″+/-.005″
WEDGE ERROR: 0.0005″ MAXIMUM T.I.R.
FOCAL LENGTH: -2.824″+/- 0.5% AT 2.94um.
SPHERICAL RADIUS: 1.1811″+/-.0059″
SURFACE ACCURACY: 1/2 WAVE MAXIMUM @ 0.633um,
2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: CALCIUM FLUORIDE, OPTICAL
GRADE.
COATING: NONE, NOT REQUIRED.