300x300mm F-Theta Lens for 1064nm Fiber Laser, 420mm Focal Length Scanning Lens for Metal Marking Engraving, M85 Thread Compatible with 20W 30W 50W 60W Laser Machines

Precision Engineered F-Theta Lens for Industrial Laser SystemsUnlock peak performance in metal processing with our professional-grade 300x300mm scanning lens. Designed for 1064nm fiber laser sources, this M85-threaded field lens delivers laboratory-grade accuracy in demanding industrial environments – from aerospace part marking to jewelry micro-engraving. 97% High-Efficiency Coating: Multi-layer anti-reflective treatment maximizes energy transfer for deeper engraving at lower power consumptionZero Thermal Shift Design: Proprietary glass composite reduces focal drift by 78% at 60W continuous operation (tested per IEC 60825)300x300mm True Flat Field: Maintains ≤0.05% distortion across entire work area for edge-to-edge consistency

• Precision Laser Control：Achieve micron-level accuracy on steel, aluminum, gold, and alloys with minimized distortion. The f-theta lens enables consistent spot size across the entire 300x300mm work area for intricate marking and deep engraving.
• Industrial-Grade Thermal Stability：Proprietary thermal drift suppression technology maintains focus stability during continuous operation. Engineered with high-temperature resistant coatings to withstand industrial laser environments.
• Optimized for 1064nm Fiber Lasers：97% high transmittance AR coatings maximize laser energy utilization. Compatible with JPT, MOPA, Raycus laser sources (20W-60W) for versatile application scenarios. 97% 之间高
• Plug-and-Play Integration：Standard M85×1 threading ensures seamless replacement in most galvo systems. Includes focal length calibration guidelines for swift setup.
• Durability Engineered：Hardened optical glass with anti-abrasion treatment extends service life 3X versus standard lenses. Ideal for high-volume production environments.