Lightburn Instructions

[Blake (Blake Bartlett)]

Isaac posted a good link a while ago on ramp tests.

Calculating Proper Laser Z Height

A good way to sort this out is a technique known as a Ramp Test. Whether 6.5mm is a good height or not depends on the focal length of your lens and the length of the laser head cone. Tech Bravo’s Laser Focus Ramp Test

That should get you started I think.