Description

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.)
Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.