- High quality China PVD ZnSe cystal resistant to high temperature, excellent optical properties
- High quality material and both sides strongly antireflective coating achieve a 99.1% Laser Transmittance rate, 10% Higher Work Efficiency.
- This focus lens with superb double-sided solid coating,wiping resistance, longer working life.
- This laser focus lens can be used in your 80w-180w CO2 laser engraving and cutting machine for more accurate and efficient production.
- Diameter: 20mm (0.79 inch)
- Focal Length: 38.1mm(1.5 inches)/50.8mm (2 inches)/63.5mm(2.5inches)
- Thickness: 2.2-3mm (0.09-0.12 inch)
- Free shipping worldwide(Europe customer need pay VAT separately under IOSS)



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