CPV Solar Power Prisms is used to collect the sunlight, for solar condenser, solar energy concentrating photovoltaic (CPV) system, solar power generation, etc., which is the main optical component when solar power transform to electric energy. Solar Engery Prism Specifications Material BK7, UV Fused Silica, or customer request. Size 0.5mm-300mm Size tolerance +/-0.1mm or customer request Clear Aperture 90% S/D 60-40 40-20 20/10 10/5 Flatness 1/10lambda at 632.80nm Chamfer 0.25mmx45 Angle tolerance