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1PCS Quartz window protective lens for Laser Engraving Cutting Machine 38 ×2 mm

Material: Quartz

Diameter tolerance: ± 0.01 mm

Thickness Tolerance: ± 0.01 mm

Light wavelength: 1064 nm

Transmittance: 99.998%

Light diameter: <50%

Coating: double-sided high damage threshold of the anti-reflective film, single-sided residual rate R< 0.5% @ 1047-1064nm, the incident angle of 0 degrees, damage threshold> 15J / cm2,

1PCS

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