Type:

Material : BK7A;UV Fused Silica;Silicon;Ge;CaF2;MgF2;ZnSe,etc

Surface Flatness: <lambda/10@633nm

Surface Quality: 60/40;40/20;20/10;10/5

Dimension Tolerance: <+0.00/-0.20mm

Coating:HR coating;metallic coating

Clear Aperture: >85%

Bevel: 0.3mm×45°

All of these specifications are just for reference. If you have other requirements, please contact with us.