OPEX High-Performance 1064nm F-theta Scan Lens | 420mm EFL, 280x280mm Scan Field for Fiber Laser Marking

The OPEX High-Performance 1064nm F-theta Scan Lens is specifically designed for fiber laser marking, engraving, and cutting applications. With an effective focal length (EFL) of 420mm and a scan field of 280x280mm, it delivers a flat, uniform focal plane across the entire working area. The lens is optimized for high-speed galvo scanners, ensuring minimal distortion and excellent spot quality.

• Wavelength: 1064nm
• EFL: 420mm
• Scan Field: 280mm × 280mm
• Scan Length: 395mm
• Scan Angle: ±27.1°
• Working Distance (WD): 499.38mm
• Front Focal Length (FFL): 543.55mm
• Input Beam Diameter (1/e²): 14mm
• Spot Size Range (1/e²): 57 – 64.8μm
• Transmission: >97%
• Reference EFL @ 546nm: 403.5mm