5pcs/pack DOE Diffractive Optical Elements Grating Lens Laser Light View Frame
20合1多图案 Acrylic material, good lens rate, clean light spot. The grating lens is mainly used in entertainment. It is used on the stage to add colors to visible light sources such as green light, red light, purple light, and blue light. Size:5*5mm/8*8mm( star pattern)