... 3.32. Processing of fresnel lens: by Molding, Grinding, Polishing3. Quality of fresnel lens: optical surface quality and well ... controlled tolerance4. Inside quality of fresnel lens: clear and transparent, no mold marks, no inside ... dirts,5. Function of fresnel lens: Splitting light beams e.g.6. Application: Lighting system, Electronics Fresnel lens, glass lens, glass cover