W1090- N-BK7 Grade A, Fine Annealed H2 Homogeneity 127mm dia. x 4mm thk.
$407.00
Product Attributes
Material/Grade: N-BK7 Grade A, Fine Annealed H2 Homogeneity
Diameter: 127mm ± 0.051mm
Thickness: 4mm +0.00mm/-0.152mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 116.84mm Minimum
Transmitted Wavefront: </= 1/4 waves Power, </= 1/8 wave Irreg over CA
Reflective Wavefront: < 1.5 waves
Parallelism: </= 1 arc minute
Bevel(s): 0.25mm - 0.5mm x 45° FW
Chips: < 0.5mm, stoned
Cosmetics: 60/40
Edge Finish: Fine Edge Ground
7 in stock
Looking for volume pricing?