Material BK7 Grade A Optical Glass
Dimension Tolerance +0.0/-0.2mm
Clear Aperture >80%
Angle Tolerance 3′(3″ can be avaiable)
Flatness λ/4@633nm
Surface Quality 60/40 scratch/dig(20/10 can be available)
Bevel 0.2mm to 0.5mm
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.