Cloudray USA CVD ZnSe Focus Lens Dia. 🔍 18mm FL 38.1mm | CO2 10.6um Laser Engraver Cutter 40W-200W Review

So far it has outlasted the standard lens it replaced. So far no problem. This thing is also very durable! My cleaning ritual is probably not the best but every other day I clean the lens and mirrors with a cotton swab and 90% isopropyl alcohol and I'm surprised it helps with no scratches etc! He also gets a minimum of 2-6 hours of work per day.

Bought this lens to replace the stock lens in my K40 laser in addition to the silicon mirrors and was impressed with the results. I had never heard of the Cloudray company but decided to take a chance as this lens was slightly cheaper than its counterparts (which also had names I hadn't seen). If this lens is indeed the CVD ZnSe advertised then the price (I paid 20) is pretty good. I've definitely seen a significant improvement in cutting/engraving performance over the standard lens and it's…

It now lasts longer than the original glass it replaced. So far no problem. This thing is also very durable! My cleaning ritual is probably not the best but every other day I clean the lens and mirrors with a cotton swab and 90% isopropyl alcohol and I'm surprised it helps with no scratches etc! He also gets a minimum of 2-6 hours of work per day.

Bought this to replace the standard lens in my K40 laser in addition to the Si mirrors and was impressed with the results. I had never heard of the Cloudray company but decided to take a chance as this lens was slightly cheaper than its counterparts (which also had names I didn't see). If this lens is indeed the CVD ZnSe advertised then the price (I paid 20) is pretty good. I've definitely seen a significant improvement in cutting/engraving performance over the standard lens and it's held up…