W1101- Schott N-BK7 200mm dia. x 1.935mm thk.


Product Attributes

Material/Grade: Schott N-BK7
Diameter: 200.0mm ± 0.1mm
Thickness: 1.935mm ± 0.025mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 180mm dia. central
Reflective Wavefront: </= 1 Fringe Power, </= 0.5 Fringe Irregularity per any 18mm dia sub-ap w/in the CA
Parallelism: </= 1 arc minute
Bevel(s): Visible to 0.5mm FW @ 45°
Chips: 7mm max intrusion from all edges
Cosmetics: 60/40
Edge Finish: Fine Edge Ground
Roughness: </= 0.7nm Ra (S1 & S2)

4 in stock

Quality Levels

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Level 1

As is. C of C only

Full inspection with interferograms

Product price: $218.90
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SKU: W1101 Categories: , ,

Additional information

Weight 10 oz
Dimensions 649131626 × 6495772 mm