In order to make clear and fine line alignment at quite long work distance, it is an easy job to apply Berlinlasers 445nm 50mW blue line laser module. It is applying qualified glass coated lens with different fan angles, which is emitting highly straight and fine blue line with different lengths.
Within wide range fan angles of 10 degree to 110 degree, after correct selection of glass coated lens and proper beam focus adjustment, this blue laser line generator makes sure of high precision and high speed line alignment at long distance perfectly.