5pcs Protective Lens 1064nm For Fiber Laser Welding Machine D18 T2 Quartz US

5PCS Pritective lens. Quartz undergoes multiple processes such as cutting, polishing, and polishing, making it resistant to high temperatures and strong laser resistance. When replacing or inspecting protective lenses, once the mirror base is removed, the window should be quickly sealed with adhesive paper to prevent dust from entering.