CNCOLETECH CO2 Laser Lens Dia:15mm FL:2 or 50.8mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

Quality product. Far superior to lens supplied with K40. Certainly made a vast improvement on cutting and reducing burn.

used these 4 100s of hours on a 50 wt , work great

used these 4 100s of hours on a 50 wt , work great

Helps to focus

Good quality but is cheaper in Walmart. Com

Seriously great buy! I was paying a pretty ridiculous price for the same exact product until I found these! You will not be disappointed!! I’ve bought several and all have been A+