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how_to_adjust_the_laser_focus [2020/02/12 11:49] ljx |
how_to_adjust_the_laser_focus [2020/02/12 12:00] (current) ljx |
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| Using focus stick, make the distance from laser to working object is as long as the stick. | Using focus stick, make the distance from laser to working object is as long as the stick. | ||
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