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CO2 laser lens 18mm focal lens for CO2 laser engraving

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$33 USD
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CO2 Laser Lens 18mm FL:2" or 50.8mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

CVD ZnSe laser lens for CO2 systems with 18mm diameter and 50.8mm focal length. High transmittance and durable coating for stable laser performance; suitable for 40W-200W systems. One customer notes it fits drop-in replacements and focuses well

Highlights

  • high-precision ZnSe lens
  • excellent coating quality
  • wide compatibility with 40-200W lasers

Pros

  • high transmittance 99.8%
  • double-sided solid coating
  • compatible with 40W-200W lasers
  • stable laser system performance
  • exquisite coating process

Cons

  • mixed feedback on fit for some setups
  • durability concerns reported by some users

Best For

  • laser engraving on jewelry
  • laser cutting and engraving for hobby projects
  • replacement lens for CO2 laser machines
  • focus optimization for CO2 lasers
  • high-power laser system maintenance
  • DIY laser cutter upgrades

Features

  • Material High class CVD Znse material (US II-VI). High-quality materials ensure more stable laser system; excellent High-Power density endurance. Compatible power 40W-200W.
  • Diameter 18mm/0. 71"; Focal Length50. 8mm/2"; Thickness2. 0-2. 2mm/0. 08"; Transmittance 99. 8%.
  • Exquisite Coating Process Superb Double-sided solid coating
  • not easy to fall off
  • increase service life
  • precision slicing
  • polishing and grinding process
  • Reduced laser loss

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