In order to make highly clear and fine line measurement at various work distances, not relying on manual labor force input, it makes good job with Berlinlasers 5mW to 100mW green line laser alignment. It applies qualified glass coated lens or separate crystal lens within 10 to 110 degree. Only after its proper installation and adjustment of both green line fineness and line emitting direction, within the maximum installed distance of 3 meters, it just makes good direction and high precision green line measurement at various work distances effectively.
https://www.berlinlasers.com/532nm-green-line-projecting-laser-alignment
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