Specifications: Materials:optical glass, white glass, quartz, silicon Surface Quality:20-10 Surface Figure:λ/10@633nm Clear Aperture:Central 90 of diameter Bevel:0.25mm x 45° Design Wavelength:480, 546.1, 643.8nm Diameter Tolerance:-0.00/-0.15mm Thickness Tolerance:+/-0.1 mm Centring Erro
