Laser Focal Lens 15mm Diameter

Prytec focal lens is available in 1 focal length; 50.8mm.

The focal length of a lens is the distance at which the focal point occurs. The focal point is where the laser beam has the highest energy. Lens's that have a smaller focal length are ideal for engraving whilst a lens with a long focal length e.g. 101.4mm are ideal for cutting thicker material.