Gallium arsenide focusing lens 18/19.05/20 engraving machine knife mold machine CO2 laser engraving machine 12mm germanium lens

 model:

Germanium 12mm
GaAs diameter 19.05 focal length 50.8
GaAs diameter 19.05 focal length 63.5
GaAs diameter 20 focal length 38.1
GaAs diameter 20 focal length 50.8
GaAs diameter 20 focal length 63.5
GaAs diameter 20 focal length 76.2
GaAs diameter 20 focal length 101.6
GaAs diameter 18
GaAs diameter 25

Material: Ge ( Germanium)

Application: Laser marking, engraving and cutting machine

Diameter: 12 mm

Focal length:  2"(50.8mm) 

 Packing: IPC
Warranty period: 120 days