20x101.6mm Focus Lens - 4"

Description

• CO2 Laser USA CVD ZnSe Meniscus Focus Lens
• The high-quality ZnSe crystal has excellent optical properties with up to 200W CO2 laser resistance.
• The double-sided solid coating reduces laser loss, with laser transmittance up to 99.8%
• Compatible with all Aeon NOVA, Super NOVA, and ALL REDLINE models
• NOT COMPATIBLE WITH MIRAS

Specs

• Diameter: 20mm
• Diameter tolerance: +0/-0.1mm
• Edge Thickness: 2mm
• Focal Length: 101.6mm 
• Focal length tolerance: ±2%
• Wavelength 10.6um
• Power: 0-200W
• Transmittance: 99.8%
• Clear aperture (polished): > 90%
• AR coating reflectivity: < 0.2%
• Scratch-dig: 20-10