Color Filter, IR Filter, Optical Filter

Product introduction： color filter, IR filter, optical filter Material BK7, BK9, silicon, Germanium, Sapphire, ect Size according to your requires Thickness according to your requires Diameter Tolerance ±0.0.1mm Thickness Tolerance ±0.2 mm Surface reflection 10%-80% (according to different requirement) Surface Quality (Scratch-Dig) 60-40 (according to your requires) Spherical Surface Powerb λ/2 (according to your requires) Shape Plano-convex Centration <3′ Clear aperture >= 90%central of the diameter Wavelength according to your requires Coating Uncoated or Coated (according to your requires) Surface reflectance 30% (per one surface)