Han's Scanner F-Theta lens series products are the most commonly used parts in the laser field. After our continuous improving and updating, we have improved its quality, following the development direction of international industrial laser cutting, and has developed a series of products. In addition to regular marking F-theta lens, there are water-cooled F-Theta lenses for higher power, as well as for faster pulses of ultra-fast lasers. Common Fθ scan lens can be widely used in various laser application fields such as laser marking, engraving and scribing.