Precision Custom Aspherical Optical Lenses with AR Coatings Our Custom Aspherical Lens is designed for exceptional performance and precision in various optical assemblies, catering to industries that require high-quality imaging, laser focusing, and advanced light ... Inquire Price Sold by: Sinoptix Ships from: Belgium Specifications Diameter: Not Specified Material: N-BK7, FS, UVFS, CaF2, ZnSe, Ge, H-LAK54, H-ZLaF52, H-ZLaF50B, Borosilicate, S-NPH1, D-LaK6 Effective Focal Length: Not Specified Numerical Aperture (NA): Not Specified Wavelength Range: 250 – 2800 nm