Advantages
1. In the ordinary models of fixed-focus frame part of the full package protection design, can effectively avoid in the marking process, misoperation of the hand into the inside, the laser irradiation of the skin to produce harm.
2. When marking the material with big smoke and dust, the fan next to the lens can effectively avoid dust recoil, play a protective role on the lens, prolong the service life.
3. fixed-focus frame bottom sensing device in contact with the material surface, slightly pressed, through the handle button or the main screen control will be marked, when there is no contact with the object surface, the hovering state click the button is not out of the laser, to prevent misuse.
4. The bottom of the adjustment of the vertical bar, in order to process small workpieces, in order to ensure that the processing surface and the bottom of the fixed-focus frame always remain in the same plane, the laser output focal length to maintain the correct distance, according to the processing of different materials marking, free adjustment, more convenient.
5. Observation window for marking; there is an observation window on one side of the fixed-focus frame, which is used for observing the marking position and marking status during marking.