Not the same as any manual dot projecting tool, even though dot alignment is processing at long distance, it still makes a good job to operate a Berlinlasers 50mW to 100mW 445nm blue laser diode module. Employed by a qualified glass coated lens and glass window inside a high duration metal housing tube, cooperating with strict laser beam stability test, it achieves high density blue laser beam emission and ultra clear blue dot projection at long extending distance of 25 meters. When it gets correct use of output power and makes proper adjustment of dot diameter, it brings users quite nice dot alignment solution for all machinery processing works.
https://www.berlinlasers.com/445nm-blue-laser-diode-module
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