JCZ Controller Card Ezcad2May 3, 2021
Aluminum Positioning BarsMay 23, 2021
Smaller lens is with lower focus distance which means strong laser shooting.
Bigger lens is with higher focus distance which means weak laser shooting.
Usually you could choose 150*150mm lens as standard, good for most applications.
Add a 70*70/100*100mm lens as spare if you do deep engraving a lot.
Add a 300*300mm lens as spare if you need big size, also helpful for tumblers.
250x250mm Lens can do Deep Engraving with 50W Fiber Laser?
300x300mm Lens helpful for Tumblers Engraving?
400x400mm Engraving Size still STRONG on 50W Fiber Laser?