20mm ZnSe Focus Lens 50.8mm(2.0") Focal Length 2.0mm Edge Thickness... For C02 laser 10.6um Engraver / Cutter Machines
APC PN: LM-20-Z-50.8-ET2.0-DBAR
Diameter: .787" (20mm)
Focal length: 2.0" (50.8mm)
Thickness: .080" (2mm)
Center Thickness (mm) (tc): 2.72 mm
Back focal Length (mm) (fb): 49.05mm
WD (mm): 48.66 mm
Anti-reflective coated lens for <200W.
Type: Meniscus Laser Focal Lens
Material: Znse Laser Grade(made in the USA)
Coating: 10.6um (AR Both Side)
Diameter Tolerance: +0/-0.13mm
Center Thickness Tolerance: ± 0.1mm
Focal Length Tolerance: < 1%
Clear Aperture: >= 90% Diameter
Product color may be slightly different from the pictures.
All parts advertised for sale are made by or for American Photonics.
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