Specification竊�br />Material 竊�BK7 glass. Dimension Tolerance: +0.0, -0.2mm Clear Aperture 竊�竊�0% Angle Tolerance竊�' Flatness竊�lambda;/2 at632.8 nm Surface Quality竊�60-40 scratch and dig Bevel竊�0.2 mm to 0.5mm "Coating: High transmission ARcoating on two right-angle side, T > 99.5% at 1064nm, HR-coating on hypotenuse reflection side, R > 99 % at 1064nm,