W1232- FS 200mm dia x 0.5mm th
$275.00
Product Attributes
Material/Grade: HPFS 7980
Diameter: 200.00mm ±0.10mm
Thickness: 0.50mm +0/-0.03mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 4mm in from all edges
Transmitted Wavefront: </=10wv PV per any 25mm dia sub-ap
Reflective Wavefront: BE for </=5wv PV over any 25mm dia sub-ap
Parallelism: </=30 arc seconds
Bevel(s): C-Bevel
Chips: <0.25mm outside CA
Cosmetics: 20/10
Edge Finish: Fine Edge Ground
Roughness: STD Grade
TTV: </=0.002mm
Out of stock