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Part #: LMN-0602-Z-ET2.87UC

Price: Register for Pricing

Description:
0.655"DIA -1.930"EFL
LENS MENISCUS-NEG ZnSe UC

Quantity on Hand: 37

CONFIGURATION: DISC, CONCAVE-CONVEX
DIAMETER: 0.6550"+/-.0004"
EDGE THICKNESS: 0.113" REF.ONLY
CENTER THICKNESS: 0.100"+/-.002"
CONCAVE SAG CUT DEPTH: 0.015"+/-.001" TO FORM AN
ANNULAR RING WITH A 0.545"
NOMINAL INNER DIAMETER.
CONVEX SPHERICAL RADIUS: 25.218"+/-.200"
CONCAVE SHPERICAL RADIUS: 2.486"+/-.005"
CENTERING ERROR: 0.0004" MAXIMUM T.I.R.
EDGE BEVEL: 0.020" MAXIMUM FACE WIDTH X 45deg,
2 PLACES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @ 0.633um,
2 FACES.
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 0.500" MINIMUM DIAMETER.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE.
COATING: NONE, UNCOATED SUBSTRATE.