Either it is adopting qualified glass coated lens or separate crystal lens, 50mW 635nm red laser line generator enables high linear quality and fine red line projection in use. It is a strict test passing laser device, not affecting by any moisture or dust at all. Only after correct selection of fan angle optic lens, after proper adjustment of laser beam focus and line projecting direction, red line laser achieves no mistake and no barrier line alignment in all occasions effectively.
Item: Berlinlasers 50mW 635nm red laser line generator
Laser class: IIIb
Fan angles: 10-110 degree glass coated lens or separate crystal lens
Adjustable focus: yes
Line lengths: 0.5 meter to 6 meters
Applications: lumber machine, textile garment processing, laser cutting, sand milling, lab experiment etc