5pcs/pack 5mm DG Grating Lens DOE Diffractive Optical Elements Lens Laser Light Pattern Projection 7×7

5pcs/pack 5mm DG Grating Lens DOE Diffractive Optical Elements Lens Laser Light Pattern Projection 7×7

Product description
Product Name: Grating sheet-7×7 dot
Size:551mm
Material: Acrylic
Features: good lens rate, clean light spot.
Application: used for laser stage lights Star lights, used in entertainment, the stage to add color to the visible light source.
Recommended for low power (10mW) or less!