Product Information
- 40W Optical Lens:Clear focus, Not stray light, Adjustable focal length.High light transmittance.
- Optical Design Specification:Wavelength: 405nm-450nm;Effctive Focal Lengh(EFL): 30mm - 50mm;
- Application Module: NEJE 40W Laser Engraving Module;(not suitable for other brand Laser module)
- Packge List:1 Optical Lens;(Please don't play for children under 3 years old.)
- Service Guarantee: We provide 30 days free replacement parts or refund. 1 year warranty and lifetime customer service. If you have any questions about this NEJE engraving machine. Please contact us.