Additional information
| Weight | 10 oz |
|---|---|
| Dimensions | 649131626 × 6495772 mm |
Online Store
W1096- N-BK7 200.00mm dia. x 3.90mm thk.
$465.50
Product Attributes
Material/Grade: N-BK7
Diameter: 200.00mm ±0.10mm
Thickness: 3.90mm -0/-0.10mm
Clear Aperture (CA): Per any 10.5mm dia within 194mm dia central
Reflective Wavefront: </=0.5wv PV pwr & </=0.25wv PV irreg.
Parallelism: </=20 arc seconds
Bevel(s): Break Edge
Chips: <0.25mm outside CA
Cosmetics: 40/20
Edge Finish: Fine Edge Ground
Roughness: </=10 A Ra
Semi-Notch: Yes
3 in stock
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