EHVYBDX Physical Optical Kit Experiments Parallel Light Source Pinhole Imaging Optical Experiment Box School Physics Experiment Equipment

Three-line light source: using industrial-grade laser, strong light transmission ability Concave-convex lens: optical grade lens, upgraded large-size concave-convex lens, thickened smooth frame Small hole imaging plate: three different shapes of small holes, rigorous experiment, good effect Acrylic lens: crystal clear, strong penetrating power, obvious experimental effect Happy experiment: you can use this set of optical equipment for optical experiments, you can work with children, and it is also suitable for science experiments in school classrooms, Manufacturer: EHVYBDX