Cloudray 20mm CO2 Laser Lens, PVD ZnSe Dia 20mm FL50.8mm
Product Description
Cloudray 20mm CO2 Laser Lens, PVD ZnSe Dia 20mm FL50.8mm
- Material: High Quality PVD Znse,compatible power: 30W-100W
- Diameter: 20mm/0.79"; Focal Length: 50.8mm/2"; Thickness: 2.6mm/0.1"
- Shape: Meniscus; Transmittance: ≥99.5%;Package includes: 1 x Lens
- Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life
- Usage: CO2 Laser Lens for CO2 laser engraving, cutting machine
Material: China PVD ZnSe (Max 100W)
Diameter: 18, 19.05, 20 mm
Focal Length: Â 1.5"(38.1mm) 2"(50.8mm) 2.5"(63.5mm)Â 3"(76.2mm) 4"(101.6mm) 5"(127mm)
Transmittance: 99.5%
AR Coating Reflectivity < 0.3%
Wavelength: 10.6 um
Diameter Tolerance: +0/-0.1 mm
Focal Length Tolerance: ± 2%
Clear Aperture (Polished) > 90%
Scratch-Dig: 20-10
How to Determine Focal Length?
The Focal Length is the Distance Between the Lens and the Cutting/Engrave Material.
Make Sure the Focusing Lens: Convex Face to Laser; Concave Face to Material.
How to Clean Laser Lens and Mirrors?
Check Main Picture
Lens Cleaning Swabs are Available:https://www.amazon.com/dp/B07B3N7HM4Â
Technical Specifications
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