Are you still troubled by the difficulty of finding the focus of the laser marking machine?

For SFX JPT 50W Fiber Laser Engraver without Auto Focus function, you need to manually adjust the focus, you can find the focus when the red dot and line coincide.

Fiber lasers with auto focus function can greatly reduce the manual focus time. Auto Focus JPT 50W fiber laser marking machine  has motorized Z axis, can fit various size of lens. It also has the following features.

1. Infrared Distance Sensor. Automatically calculate the focal length to achieve precise focus.

2. Auto Focus System. Comes with Auto, Up & Down Button for easy focusing.

3. Galvometer Sino-Galvo AF2206S-600

Auto Focus, good running stability, high positionin accuracy, high marking speed, strong anti-interference ability.