How To Found The Perfect Focus Point NEJE master 2s max with A40640 40w laser modul .
In this video, I am going to show you a quick method to find the correct focal length . This can be used on any consumer laser and is very easy to setup.Ramp Test and Optimal Focus.
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NEJE Master 2S Max 40W https://bit.ly/3lv0M7V
NEJE MF6 Manual Control Air Assist Kit https://bit.ly/3ltX7aD
Cloudray 60W Air Compressor: https://bit.ly/3hCGQ1Z
Laser Engraver Pad :https://bit.ly/3n3nHbi
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