Description:

Four models(with different FL) anti-reflective coated focal lens for 40-100W.
Focus lens is the fitting of CO2 machine, which is used to focus the beam after reflection, to realize engraving or cutting.
Meniscus type lens, better foucs and meticulous path of light.
Can withstand high power density, firm film, resistant to wipe.
Used for processing, fits for engraving machine, marking machine, cutting machine, etc..

Specification:

Material: Znse
Lens Diameter: 19mm / 0.75inch
Focal Length
38.1mm / 1.5inch
76.2mm / 3inch
101.6mm / 4inch
127mm / 5inch
Coating: 10.6um（AR Both Side）
Diameter tolerance: +0/-0.13mm
Centre Thickness Tolerance: ±0.25mm
Focal Length Tolerance: <±2%
Clear Aperture: >= 90% Diameter
Scratch/Dig: 40-20
Surface Accuracy: 入/2per1"Dia

Package Includes:

1 Piece Focus Len (Packed in boxes with foamed cotton)