Method for adjusting focal length of laser marking machine

By |2020-03-19T11:08:04+08:00March 19th, 2020|Blog|

Method for adjusting focal length of laser marking machine An important step in the process of using a laser marking machine is to adjust the focal length of the laser marking machine. The current method of adjusting the focal length of the laser marking machine is nothing more than lifting the resonant cavity and