Review on Cloudray USA CVD ZnSe Focus Lens Dia. 20mm FL 50.8mm for CO2 10.6um Laser Engraver Cutter Engraving Machine 40W-200W - Superior Quality Lens for Precise Laser Engraving & Cutting by Kristen Simpson
Much better lens than the stock K40
Bought this lens to replace the stock 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 well so far. I will say it was a good buy for my situation - the specs say it's good up to a 200 watt laser,
- Pleasant
- Obsolete model
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