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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 logo

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 Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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img 1 attached to 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
img 2 attached to 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
img 3 attached to 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
img 4 attached to 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

Description of 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

High Quality ZnSe Crystal: USA CVD ZnSe Material. Excellent Optical Properties. Up to 500W CO2 Laser Resistance. Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life. High Precision Process: Excellent Substrate. Precision Slicing, Polishing, Grinding Processes. High Temperature, Laser Resistance. High Transmittance: High Quality Material and Exquisite Coating to reduce the loss of laser.Laser Transmittance Up To 99.5%. Higher Work Efficiency. Usage: replacemeny DIY part for CO2 laser engraving, cutting & marking machine & CO2 laser head.

Reviews

Global ratings 3
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

At least as good as the original

I am very happy with this lens, it seems a little sharper than the one that came with my laser. I'm impressed with how well it works and replacing an old damaged lens was pretty easy. All in all, costing almost 70% less than what the laser manufacturer charges for an exchange, this is a real bargain.

Pros
  • Great for me
Cons
  • No instructions

Revainrating 5 out of 5

Great interchangeable lens!

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.

Pros
  • Cool product
Cons
  • Something different

Revainrating 5 out of 5

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…

Pros
  • Pleasant
Cons
  • Obsolete model