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s focusing Lens ZnSe Focal Lens Dia.20mm for Engraver Cutter Machine 50.8mm

<ul><li>20mm zinc selenide ZnSe s focusing lens, focal length specification 50.8/ 63.5/101.6mm, applicable power 50-100W</li><li>High light transmittance and high temperature resistance: The lens is made of PVD coded zinc (ZnSe) material with low s transmission loss, low absorption, strong light transmittance, and light transmittance can be as high as 99.8%, and can withstand high-power s</li><li>Coating is not easy to fall off and wipe-resistant: The enhanced double-sided coating process is adopted, the coating is firm and not easy to fall off, , wipe-resistant, and has a long service life</li><li>Thin spot and fast cutting speed: The cylindrical of the lens is polished, which increases the amount of light transmission, reduces or eliminates the stray light of the , improves the ability of the lens to withstand reflections, and makes the lens's spot finer and the cutting speed is faster.</li><li>Complete specifications and wide application: complete types of lens specifications, suitable for cutting machines and engraving machines of major brandsSpecification:Name: Focusing LensesMaterial: Zinc SelenideDiameter: 20mmFocal length: 50.8/ 63.5/101.6mm (optional)Applicable power: 50-100WScope of application: cutting machinePacking list:1</li></ul>

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Material

Feature*20mm zinc selenide ZnSe s focusing lens, focal length specification 50.8/ 63.5/101.6mm, applicable power 50-100W*High light transmittance and high temperature resistance: The lens is made of PVD coded zinc (ZnSe) material with low s transmission loss, low absorption, strong light transmittance, and light transmittance can be as high as 99.8%, and can withstand high-power s* Coating is not easy to fall off and wipe-resistant: The enhanced double-sided coating process is adopted, the coating is firm and not easy to fall off, , wipe-resistant, and has a long service life* Thin spot and fast cutting speed: The cylindrical of the lens is polished, which increases the amount of light transmission, reduces or eliminates the stray light of the , improves the ability of the lens to withstand reflections, and makes the lens's spot finer and the cutting speed is faster.*Complete specifications and wide application: complete types of lens specifications, suitable for cutting machines and engraving machines of major brandsSpecification:Name: Focusing LensesMaterial: Zinc SelenideDiameter: 20mmFocal length: 50.8/ 63.5/101.6mm (optional)Applicable power: 50-100WScope of application: cutting machinePacking list:1* focusing lens