Vender accessto Focus Lens Anti Reflection Creative Znse Meniscus Shape Laser Focal Lens for CO2 Laser Cutting Engrave Machine al mejor precio

Description: The laser focus lens is designed with meniscus shape lens, and it has better focus and meticulous paths of light. With multiple functions design, it is used to focus the beam after reflection to realize engraving or cutting. Made of high quality domestic zinc selenide material, it is practical. There are 4 sizes for you choose. It is suitable for processing, fits for engraving machine, marking machine, cutting machine, etc. 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: &plusmn; 0.25mm Tolerance of Focal Length: < &plusmn;2% Transparent Aperture: >= 90% Diameter Scratches/Digging: 40-20 Size Details: A Diameter: 18mm/0.71", Focal Length: 50.8mm/2.00" (Approx.) B Diameter: 19mm/0.75", Focal Length: 50.8mm/2.00" (Approx.) C Diameter: 20mm/0.79", Focal Length: 50.8mm/2.00" (Approx.) D Diameter: 25mm/0.98", Focal Length: 50.8mm/2.00" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Laser Focal Lens