Ball lenses are highly polished spheres made of opticallytransparent homogeneous materials. Carefully controlledmanufacturing process produces spheres with precise diameters and unsurpassed surface quality.Our company supplys the ball lenses in various sizes and made from kinds of materials.Material: optical glassesDiameter: 1mm--50mmTolerance: /-0.005mm Sphericity: 0.005mmSurface Quality:40/20Coatings:Antireflection coatings or NIR coatings or no
