Focusing Doublet Lens Assembly, 30 mm Diameter, 125 mm Focal Length, 1030-1090 nm

The 680339-001 focusing doublet lens assembly has a 30 mm diameter and 125 mm focal length. It is available an off-the-shelf replacment that is compatible with leading OEM fiber laser brands. Focusing lenses are used to concentrate the energy of the laser beam output to spot at a specific distance (focal length) - depending on the application.