W1108- N-BK7 Schott H1 150mm dia. x 1.964mm thk.
$325.60
Product Attributes
Material/Grade: Schott H1 N-BK7
Diameter: 150.00mm +0.00/-0.10mm
Thickness: 1.964mm ± 0.010mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 90% central
Transmitted Wavefront: 1/8th wave per any 26mm dia sub-ap
Reflective Wavefront: < 1 wave per inch over CA
Parallelism: < 30 arc seconds
Bevel(s): 0.50mm max FW @ 45°; all edges
Chips: < 0.50mm MAX , stoned
Cosmetics: 40/20
Edge Finish: fine edge ground
Roughness: < 0.70nm RMS
Semi-Flat: Yes
11 in stock
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