5Pcs D20T4.5mm Focus 150mm Laser Welding Focusing Lens fo Laserr Handheld Welders Welding Laser Welding Head Accessories D20 *4.5-F150

D20T4.5mm Focus 150mm Laser Welding Focusing Lens for Laser Handheld Welders, compatible with SUP20S/21T/23S handheld welding head

• 【High Transmission】This fiber laser collimator lens focus lens is designed with clear and high transmission, with good light transmission and abrasion resistance, the light transmission rate is as high as 99.9%, which can realize efficient laser beam transmission and clear working vision.
• 【Double-sided Coating】Specially coated on both surfaces with a high-damage-threshold film to minimize reflection losses and resist adhesion from cutting process spatter/debris
• 【Safety and Ease of Use】This fiber laser collimator lens focus lens adopts humanized 0.5mm 45 degree protective full angle design, easy to apply, not easy to hurt hands, compatible with SUP20S/21T/23S handheld welding gun head.This effectively protects the precision optical components inside the cutting head, while offering exceptional thermal stability, shock resistance, and a long service life in continuous industrial operation
• 【Exquisite workmanship】Crafted from imported quartz crystal material, boasting high temperature and corrosion resistance along with a high laser damage threshold. This effectively protects the precision optical components inside the cutting head, while offering exceptional thermal stability, shock resistance, and a long service life in continuous industrial operation
• 【High Quality and Durable】Premium protective lenses. Each lens is individually wrapped in anti-scratch packaging to prevent damage and ensure cleanliness, providing ready-to-use spares that minimize costly machine downtime