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W1040 N-BK7 - 152.4mm dia. x 1.8mm thk.

$50.00
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Diameter:
152.40mm +0/-0.25
Thickness:
1.800mm ± 0.100mm
Wavelength:
632nm
CA:
95%
TWF:
< 2 waves
Parallelism:
< 5 arc seconds
Cosmetics:
20/10
Bevels:
FW 0.2mm ± 0.1mm
Edge Finish:
Fine Ground