Plano-convex lensesMaterial: 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: 0.25 time 45degCoating: Upon requirement
