In order to make the clearest line indication at long extending distance, it just makes an easy job with a uniform beam 445nm blue line laser module. Being made with an import 445nm blue laser diode and qualified separate crystal lens within 10 to 93 degree, it enables non Gaussian beam emission and high uniformity blue line projection within 0.5 meter to 6 meters line lengths. After correct use of output power and optic lens fan angle, without the use of sunlight, it enables ultra clear and fine blue line indication for all machinery processing works perfectly.
https://www.berlinlasers.com/uniform-445nm-blue-line-laser-module
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