20mm Dia ZnSe Focus Lens for CO2 Laser Engraver/Cutter FL 1.5/2/2.5/3/4

20mm Dia ZnSe Focus Lens for CO2 Laser Engraver/Cutter FL 1.5/2/2.5/3/4 Inch

Specification:
Material: ZnSe
Diameter: 20mm/0.71"
Thickness: 2mm/0.08"
Focal Length: 25.4mm/1", 38.1mm/1.5", 50.8mm/2", 63.5mm/2.5", 76.2mm/3", 101.6mm/4"
Wave Length: 10.6um

Features:
- 20mm diameter ZnSe focus lens.
- 1" to 4" focal length can be selected.
- High transmittance and high temperature tolerance with ZnSe material.
- Ideal for CO2 laser engraver and stamp marker usage.

Package Included:
1 x 20mm Diameter ZnSe Focus Lens