Focus Lens Anti Reflection Creative Znse Meniscus Shape Laser Focal Lens for CO2 Laser Cutting Engrave Machine

Item Name: Laser Focal Lens

Material: Domestic Zinc Selenide

Surface Accuracy: 2per 1"" Dia

Coating: 10.6um

Diameter Tolerance: +0/-0.13mm

Center Thickness Tolerance: ± 0.25mm

Tolerance of Focal Length: < &plusmn;2%Transparent Aperture