MCWlaser 19mm Znse Focus Lens for 10.6um Co2 Laser Engraving Cutting Engraver 40W-150W (Dia:19mm, FL:3″ / 76.2mm)

Features:
Material: Znse
Lens Type: plano-convex (3” and 4”) or meniscus (1”, 2”, 2.5” and 5”)
Edge Thickness:
approximate 2.3mm for diameter 12mm/15mm/18mm/19mm/20mm;
approximate 3mm for diameter 25.4mm
Tolerance of Thickness: 0.010”
Edge thickness variation (ETV): <= 0.002''
Transmittance: 99.5%
AR Coating Reflectivity < 0.3%
Wavelength: 10.6 um
Aperture: 90% of the Diameter
Focal Length Tolerance: +2% / -2%
Clear Aperture (Polished) > 90%
Face accuracy (radial deviation / irregularity) at 0.63um: <= 0.20%
AR Coating Reflectivity Per surface at 10.6 microns :<= 0.20%

Application:
Please check the listing pic

Packages List:
Znse focus lens x 1pcs

Work well with 30W-100W 10600nm CO2 laser Engraver Cutter
High quality & Extra lifespan
ET:2.2mm
AR@10.6um