
Aspherical lens specification: - Material: BK7 or other optical material - Size: 10mm-200mm - Fringes: lambda/2 - Center Thickness: 15nm-25nm - Dispersion round: 0. 03mm-0. 2mm - Centration: 3 arc min - Surface Quality: 60-40 Scratch/Dig - Clear Aperture: 90% - Coating: Available upon Request.

Plano-convex spherical lens, plano-concave spherical lens, bi-convex spherical lens, bi-concave spherical lens, meniscus spherical lens, special spherical lens, achromatic spherical lens etc. Specification of our spherical lens as follow: * Material BK7 or other optical materials* Dimension Tolerance 0. 0~-0. 1mm* Center Thickness /-0. 1mm* Focal Length Tolerance /-1%* Surface Quality: 60/40* Surface Figure: lambda/2 at 633nm on plano side* Clear Aperture >90%* Chamfer 0. 25mm at 45 degree typical* Coating Optional




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