20W 30W 50W 60W 80W Fiber Laser Marking Machine 100W JPT M7 MOPA Colorful Metal Cutting Ring Engraving With EZCAD Software
How to choose lens
With Same Lens , The Higher Power , The Deeper Engrave .
With Same Power, The Smaller Lens, The Deeper Engrave ，
Bigger Lens Engrave Bigger Area ，
Smaller Lens Engrave Deeper Depth,
if 20w laser choose 200mm*200mm lens , that means your focus distance is very tall ,power come to mark object is cery very weak , so not biggest lens area is best ,but choose suitable lens.
20w choose 70mm*70mm , 110mm*110mm,
30w choose 70mm*70mm , 110mm*110mm , 150mm*150mm
50w/60W/80W/100W choose 70mm*70mm , 110mm*110mm ,200mm*200mm
|JPT Fiber Laser Marking Machine
|Fiber Laser Engraver