F-Theta Lens

Marking system through the lens of the laser beam system will produce off-axis deflection, relative to the ideal plane, will appear on the marking of anomaly or deformity. Flat-field focusing mirrors, also called field lens and f-Theta focus lens, is a professional lens system aimed laser beams in the plane of the mark as a whole form a uniform focused spot the size of, is the one of the most important parts of laser marking machine.