W1040- N-BK7 152.4mm dia. x 1.8mm thk.
$77.00
Product Attributes
Material/Grade: Schott BK-7
Diameter: 152.40mm +0/-0.25mmm
Thickness: 1.800mm +/-0.100mm
Metrology Wavelength: 632nm
Clear Aperture (CA): 95%
Transmitted Wavefront: < 2 wv
Parallelism: < 5 arc seconds
Bevel(s): FW 0.2mm +/- 0.1mm
Chips: < 0.25mm (stoned)
Cosmetics: 20/10
Edge Finish: Fine Ground
Out of stock