This is a brand new high‑precision focusing lens assembly produced by Svusl Laser, specially designed for CQWY and SUP series laser welding heads. It is perfectly compatible with SUP20, SUP21 and SUP23 models, with standard specification D20 and focal length ranging from F150mm to F800mm, supporting direct replacement without modification. Made of high‑grade optical material with strict coating process, it features high light transmittance, low light loss and stable laser energy output, ensuring concentrated laser focus and improved welding accuracy and efficiency. The integrated lens assembly with holder offers good concentricity, strong high temperature resistance, excellent anti‑spatter performance and long service life, effectively protecting the internal optical system of the welding head. Easy to install and maintain, it is an ideal replacement part to keep your laser welding equipment in stable and efficient working condition.

• Perfect compatibility with SUP20, SUP21 and SUP23 laser welding heads, standard D20 size with focal length from F150mm to F800mm for direct replacement.
• Made of high-grade optical material with professional coating, providing high light transmittance, low light loss and stable laser energy output.
• Ensures concentrated laser focus, greatly improving welding accuracy, stability and overall work efficiency.
• High temperature resistance and anti-spatter performance, effectively protecting internal optical parts and extending service life.
• Easy to install and maintain, ideal replacement spare part for daily repair and upkeep of laser welding equipment.