IR Lenses Night Vision Germanium Thermal Imaging Infrared Lens Customizable Optical Grade Silicon for Spherical or Infrared Lens. Customizable Surface Quality: Offers 40-20 Scratch-Dig or fully custom manufacturing options. Customizable Surface Accuracy: Provides Lambda/4 or custom manufacturing for irregularity control. Customizable Standard Sizes: Available in 6.35-50.8mm or fully custom manufacturing dimensions. Wide Spectral Range: Covers UV, visible, and IR bands with materials like UV Fused Silica and ZnSe. Premium Material Selection: Includes N-BK7, UV Fused Silica, CaF2, MgF2, and ZnSe for diverse needs. Flexible Coating Options: Customizable multi-layer AR coatings or uncoated versions available. OEM and ODM Services: Full customization, minor customization, and design-based options supported.