Planoconvex lens Planoconcave lens Biconvex lens Biconcave lens Meniscus lens Negative meniscus lens Achromatic lens

Monocrystalline silicon wafer Single crystal germanium wafer Zinc selenide Zinc Sulfide Gemstone

Flat convex cylindrical mirror Flat concave cylindrical mirror Biconvex cylindrical mirror Biconcave cylindrical mirror Meniscus cylindrical mirror

Color glass filter Dielectric coated filter