This arrangement made possible the Galilean telescope, named after its 17th century inventor, Galileo. Adding a second convex lens to this combination produces a simple telephoto lens, with the front convex and concave lens serving to magnify the image, while the rear convex lens condenses it.
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This arrangement made possible the Galilean telescope, named after its 17th century inventor, Galileo. Adding a second convex lens to this combination produces a simple telephoto lens, with the front convex and concave lens serving to magnify the image, while the rear convex lens condenses it.