W1271- BF 200mm dia x 2.895mm thk

$40.00

Product Attributes

Material/Grade: Borofloat
Diameter: 200.00mm +0.10mm/-0.20mm
Thickness: 2.895mm ± 0.045mm
Metrology Wavelength: 632nm
Clear Aperture (CA): 190.00mm dia Central
Reflective Wavefront: < 2 fringes over any 0.374" dia within CA
Parallelism: </= 13 arc minutes
Bevel(s): 0.14-0.50mm Leg Width or radius edges
Chips: </= 0.50mm edge intrusion
Cosmetics: 60/40
Edge Finish: Fine Edge Ground
Roughness: </= 0.70nm Ra

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Additional information

Weight 0.5 oz
Dimensions 649131626 × 6495772 × .01 mm