Startnow USA Znse CVD CO2 Laser Focus Lenses 20mm 19 18 12 Focusing Lens

Product Description

CO2 Laser Focus Lens
Material: USA CVD ZnSe
Diameter: 12/15/18/19.05/20mm
Focal Length: 38.1 50.8 63.5 76.2 101.6 127mm
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