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Zinc Selenide ZnSe Laser CO2 Focus Lens 20mm Laser Engraving Cutter Accessories for CO2 Laser CNC Machine
Zinc Selenide ZnSe Laser CO2 Focus Lens 20mm Laser Engraving Cutter Accessories for CO2 Laser CNC Machine
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Package include: 1PC 20mm 1.5''/38.1mm Laser Lens
Mateial:USA CVD ZnSe
Wavelength:10.6 μm
Diameter Tolerance:+0/-0.13mm
Thickness Tolerance: ±0.25mm
FL Tolerance: <...

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Product Review

Package include: 1PC 20mm 1.5''/38.1mm Laser Lens
Mateial:USA CVD ZnSe
Wavelength:10.6 μm
Diameter Tolerance:+0/-0.13mm
Thickness Tolerance: ±0.25mm
FL Tolerance: ＜±2%
Centration: ＜3 arc minutes
Clear Aperture: ＞90%
Surface Figure: ＜λ/2 per 1'' Dia
Surface Quality:40-20 scratch and dig
AR/AR coationg: R<0.5% per surface


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