Adjust Laser focus

I just finished mounting my 15W 6565 Chinese Laser Engraver.
It has an Eleksmaker 2-axis controller.
In Lightburn I cannot find a procedure or a special button to adjust laser focus with reduced Power.
Can you give me a hint?

found the resolution ouside this forum

Search for ‘diode focus’ in the forum and lots of answers show up:


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