II-VI Infrared ZnSe Laser Focus Lens Dia20mm/ET2.5mm for 80~130W
Focal length: 50.8mm/2in
ZNSE MEN LENS
For Co2 laser cutting & engraving machine
Diameter: 20mm
Thickness:2.5mm
Lens design: meniscus (to reduce spherical aberration)
Made In China
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