Range of IR Materials:IR: ZnSe, ZnS, Si, Ge, CaF2, GaAs, and moreOther Materials:VIS NIR: FS, Crystal Quartz, Sapphire, BK7, and moreUV: UVFS, Excimer FS, MgF2, and moreStringent In-House Quality Control Program for Fabrication, Polishing, Coatings, and TestingBest Value Lenses: Highest Quality at Lowest CostOn-Time, Consistent Delivery