30W MOPA laser marking machine with auto focus system can find the laser focus automatically. Now the MOPA laser engraver on sale at cheap price.
May 17, 2017 Cherry 842
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30W MOPA Laser Marking Machine with Auto Focus Instructions:
Semi-automatic auto focus: Measure the height of material by human, then input the height value on the software, then the machine can find the laser focus automatically.
Full-automatic auto focus: Don't need human measure the height, it can find the laser focus automatically.