5pcs/pack DOE 7 Parallel Lines Optical Diffraction Element Grating Lens

5pcs/pack DOE 7 Parallel Lines Optical Diffraction Element Grating Lens

Product description
Name: Grating lens- 7 parallel lines
Size: 8*8mm round lens
Material:P ET material
Features: Good lens rate, clean light spot.
Application: weld inspection
(light source requirements) point laser, red light is recommended, red light recommended power is less than 100mW