Specifications of Ball Lenses:
- Material: BK7, Sapphire, Ruby, Fused Silica, Silicon, LaSFN9, optical glass, etc
- Size Range of ball lenses : from 2mm to 10mm
- Surface Quality: 80/50, 60/40, 40/20
- Diameter tolerance: +/-0.0025, +/-0.005mm
- Ellipticity of ball lenses: 0.0025mm
- Coating: none, customized avaliable