What kind of image does a telescope form?
Telescope:
A telescope is a device that uses lenses, curved mirrors, or a combination of both to observe far objects or various instruments that desire to watch distant things based on their electromagnetic radiation emission, absorption, or reflection.
Image produced by Telescope
Thus, a telescope would be characterized as a device that uses two lenses: a primary lens that creates an actual image, and a secondary lens that acts as a magnifier to magnify the image.