Our calculator help you set up your lens to material distance properly for the type of lens you use.

How to use
– Choose material thickness (in millimeters)
– Select the focal length of your lens (50.8mm is default K40 lens)

The results will show you the distance needed from underside of your lens – to material surface for both engraving and cutting.

Leave a Reply

Your email address will not be published. Required fields are marked *