- Fine grinding
- Mixing optical materials according to the objectives
- Preliminary melting
- Real melting
- Glass(Opaque glass)
Break the glass into proper size or Pressing
Grind the glass to spherical shape
Using a diamond tool to grind glass surface to targeted curvature.
Grinding is finished!
Using sand or diamond pellet to grind more finely.
The most important process.
Using polish compound to remove small scraches
Grind circumference to make optical axis right at the center of lens.
Remove polish compound or other stain left on the surface.
Coat a thin film on surface to bring down light reflection.