Focus lens is essential to sharpen the laser beam, if its quality is poor, the laser beam can not be focus well, then the cutting effect will be not good, we select imported glass material to make it to make sure its quality, we also have imported USA focus lens for customer selection as some customer who has special requirement to focus lens. ZnSe lens(Made in China/Singapore) Model Diameter(mm) Focus(mm) ZnSe lens 18 50.8 ZnSe lens 19.05 50.8 ZnSe lens 19.05 63.5 ZnSe lens 20 50.8 ZnSe lens 20 63.5 ZnSe lens 25 63.5 ZnSe lens 25 75 ZnSe lens 25 100
