2.5" Lens Kit

Description

• Kit includes (1) engraved MIRA lens housing and (1) 18x63.5mm / 2.5" lens
  
• The 2.5" lens allows for extra clearance when engraving full wraps on 40oz Stanley tumblers and similar style tumblers
• Compatible with MIRA5, MIRA7, and MIRA9

2.5" Lens Specs

• 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%
• Diameter: 18mm
• Diameter tolerance: +0/-0.1mm
• Edge Thickness: 2mm
• Focal Length: 63.5mm 
• 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