LFV lighting is coaxial with CCD light beam , suitable for small concentrated lighting , also use for larger area lighting(need diffuse plate) .         
    Coaxial led lighting character is which can make homogenous lighting at full field of area , some filter mirror can filter lurid light .
    Defect of product can be catch by computer .
    LFV lighting can be used for printing circuit 、printing text、wafer、metal、liquid、glass defect and scrape .