Additional information
| Weight | 0.5 oz |
|---|---|
| Dimensions | 649131626 × 6495772 × 0.5 mm |
Online Store
W1289- N-BK7 63.5mm sq x 3mm thk
$36.30
Product Attributes
Material/Grade: 517-642 Schott N-BK7 Grade A Fine Anneal
Thickness: 3.0mm +/-0.1mm
Length: 63.5mm +0/-0.25mm
Width: 63.5mm +0/-0.25mm
Metrology Wavelength: 632nm
Clear Aperture (CA): 90% 0.100"/edge sq aperture
Reflective Wavefront: <0.5 Wave/in, BE <0.25 Wave/in.
Parallelism: 30 arc second
Bevel(s): 0.5mm max FW. x 45°
Cosmetics: 40/20
Edge Finish: fine edge ground
Roughness: <10 Å Ra
45 in stock
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