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Colored Glass Filters
      Optical filter glass is known for its selective absorption in the visible wavelength range. The optical filter glasses appear to be colored if their filter effect lies within the visible light spectrum. The polished colored glass filters can be used in place of thin film coated filters as an economic alternative.
 
      Hangzhou Shalom EO offers the optical filters optics made from colored glasses, which includes band pass, long pass and short pass filters, neutral density filters ect., Chinese made colored glass materials equal to Shott or Hoya are used.