enses Doublet Lenses Fresnel Lenses Infrared Lenses Planoconcave Lenses Planoconvex Lenses Plastic Lenses Rod Lenses Looking For a Custom Optical Solu...matic Doublet Lenses AMTIR Barium Fluoride Caesium Iodide Calcite Calcium Fluoride Gallium Arsenide Germanium Infrared Beamsplitters Infrared Filters