Discoveries Behind the First Telescopes
A historical account traces the invention of the telescope to Metius and others, noting early lens experiments by Metius, Lippersheim, and Zacharias Jansen. Borellus argues Jansen’s method in 1590s Middleburgh produced the first telescope, with others naming Sansen and early spectacle makers who contributed to the discovery. The narrative emphasizes contemporary acceptance of Borellus’s reconstruction and the practical hunt for purpose of lenses.