Lasersaur focus/alignment tools

These are focus/alignment tools for the Lasersaur, hardware version v14.04b, using a 3" lens with a focal distance of 73.3mm. You can use this with other focal distances by changing the location of the lens in the focusing tube.

To use these with a 73.3mm focal distance, set the bottom of your focusing lens exactly 40mm from the bottom of the tube. Note this is the bottom of the lens, not the bottom of the retaining ring.

These tools have a base offset of 17.3mm (the height of the "plane"