Material: BK7 Grade A optical glass
Dimension Tolerance: +0.0,-0.2mm
Clear Aperture: >80%
Flatness: l /10@ 632.8nm
Surface Quality: 20-10 scratch and dig
Wavelength Range: 400-2000nm for BK7 Glass
Bevel: 0.2mm to 0.5mm
CMaterial: UV Grade Fused Silica
Dimension Tolerance: +0.0,-0.2mm
Clear Aperture: >80%
Flatness: l /10 @ 632.8nm
Surface Quality: 20-10 scratch and dig
Wavelength Range: 200-2000nm for Fused Silica
Bevel: 0.2mm to 0.5mm