Zinc Selenide ZnSe Laser CO2 Focus Lens 20mm Laser Engraving Cutter Accessories for CO2 Laser CNC Machine
Product Description
Zinc Selenide ZnSe Laser CO2 Focus Lens 20mm Laser Engraving Cutter Accessories for CO2 Laser CNC Machine
Package Include: 1PC 20mm 2.5''/63.5mm 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
Technical Specifications
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