Features 1、Focus the collimated laser beam on the focus of a smaller area, increase the energy density of the laser beam, and improve the ability and efficiency of laser processing. 2、Convert the change of the direction of the laser beam of the galvanometer into the change of the focus on the position of the processed material to achieve high-speed and accurate laser processing and processing. 3、The design and processing accuracy is high, and all systems have reached the diffraction limit 4、F-Theta scan lens Fxθ has good linearity and low distortion 5、The inner circle of the breadth is good, and the uniformity is high Specification Item Type: F-Theta Scan Lens Working Wavelength: 1064nm Focal Length: Approx. F290mm / 11.4in Scanning Range: Approx. 200 x 200mm / 7.9 x 7.9in Maximum Scanning Angle: ±28° Incident Aperture: 12 (10) mm Light Spot: 32um Thread Interface: M85 x 1 Coating: 1064nm high damage threshold AR coating Features: Suitable for semiconductor, optical fiber marking machine, high cost performance Package List 1 x Scan Lens