Telescope earliest existing record of a telescope was a 1608 patent submitted to the government in the Netherlands by Middelburg spectacle maker Hans Lippershey for a refracting telescope. The actual inventor is unknown but word of it spread through Europe. [[Galileo Galilei|Galileo]] heard about it and, in 1609, built his own version, and made his telescopic observations of celestial objects. The idea that the [[Objective (optics)|objective]], or light-gathering element, could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope. The potential advantages of using [[parabolic reflector|parabolic mirrors]]—reduction of [[spherical aberration]] and no
Jacob Metius government's support. When Metius perceived that the States General was reluctant to review his claim, he prohibited anyone from seeing his telescope. The States General voted Jacob Metius a small award, although it ended up employing Lippershey to make binocular versions of the telescope. At his death, Metius’ tools were destroyed according to his wishes in order to prevent anyone from claiming the honor of inventing the telescope. There is a claim by Johannes Zachariassen, Zacharias Janssen's son, that Jacob Metius and Cornelis Drebbel bought a telescope from him and his father in 1620 and copied it, although this is