Spherical lens — aspheric lens
Manufacturer of spherical lens
Materials: optical glass, quartz, infrared glass, ZnSe, CaF2, sapphire, etc.
Focal length: ± 5mm - ± 1000mm ± 1％
Diameter: 3mm - 600mm ± 0.1mm
Center thickness tolerance: ± 0.1mm
Center deviation: 3-5 points
Surface accuracy: 1 / 2 lambda, 1 / 4 lambda
Surface quality: 80 / 50, 60 / 40, 40 / 20, 20 / 10, 10 / 5
Effective caliber: 90%
Coating: AR antireflective coating, magnesium fluoride (MgF2), aluminum coating, gold coating, aluminum coating
