The light that is gathered by the telescope forms an image which is then magnified using an eyepiece that you look through.
If you are going to buy a telescope, it’s good to understand how they work! Telescopes work by gathering light — some do this using mirrors (reflecting telescopes), and others use lenses (refracting telescopes). The light that is gathered by the telescope forms an image which is then magnified using an eyepiece that you look through.