Focusing lens is used to focus laser beam. The focused laser beam is usually used for material processing.
Spec.
Diameter Tolerance +0/-0.13mm
Thickness Tolerance ±0.25mm
FL Tolerance <±2%
Centration <3 arc minutes
Clear Aperture >80%Surface Figure λ/4 Per 1” Dia @632.8nmSurface Quality 60-40 scratch and digAR/AR coating R<0.5% Per surface
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