Convex Lens

Features Convex Lens

In optics, the image formed by the convergence of actual light and displayed on the light screen is called the real image; The image formed by the convergence of the reverse extension lines of the light and cannot be displayed on the light screen is called the virtual image.
When telling the difference between real and virtual images, one often mentions such a method: "The real images are all upside down, and the virtual images are upright."