Aspherical Lens

1. Molding Process

   
   Diameter: 5-15mm;
   Tolerance: ±0.02mm;
   Flatness (Curvature): 2μm;
   Material is limited to low softening point glass. For more material introduction, please visit: 
   http://www.allwin-optics.com/product-4540-8408-51901.html
   
   

2. Grinding Process

   
   

   Diameter: 10 - 300mm;
   

   Tolerance: ±0.02mm;
   

   Flatness (Curvature): 0.5μm - 2μm
   

   Material: all optical glasses
   

   
   

3. Infrared (IR) Aspheres

      Materials for IR Aspheres: Germanium, Silicon, Zinc Selenide (ZnSe), Zinc Sulfide (ZnS), Fused Silica etc.