1. In order to bring the laser into focus with a fixed focus laser module, you will need to take
the metal focusing tool and stack flat objects under the rotary axis until the distance
between the laser and the cylinder is the length of the metal focusing tool.
2. Test fire your laser at a low power, 5% or less, and make sure that your laser is focused
to a tiny point.
STEP 4A
Focusing your Laser with a Fixed Focal Length