I’m a software developer by trade and we’re fond of cheat sheets, so I made one for the lens kit.
Illustrator, SVG, Lightburn, and GCode files:
longmill-lenses-cheat-sheet.zip (1.3 MB)
I burned this at 4000mm/min 35% power on dip switch 3. I like to run the laser at max speed and figure out the power and dip switch settings from there for simple burns like this.