Optical lens
Diameter Tolerance: +0.0, -0.05mm
Center Thickness Tolerance: +/-0.05mm
Surface Figure: lambda/4 at 632.8nm

Optical lens High Precision Plano-Convex LensesSpecifications:Material: grade A optical glass or Fused SilicaDiameter Tolerance: +0.0, -0.05mmCenter Thickness Tolerance: ±0.05mmSurface Quality: 40-20 scratch and digCentration: +/-1 arc minutesSurface Figure: lambda/4 at 632.8nmClear Aperture: >85% of diameterBevel: 0.25x45degCoating: Upon requirement   Standard Plano-Convex LensesSpecifications:Material: grade A optical glass or Fused SilicaDiameter Tolerance: +0.0, -0.15mmCenter Thickness Tolerance: +/-0.1mmSurface Quality: 60-40 scratch and digCentration: +/-3 arc minutesSurface Figure: lambda/2 at 632.8nmClear Aperture: >85% of diameterBevel: 0.25x45degCoating: Upon requirement 1. Optical lenses 2.Meniscus lenses  3.Ball lenses