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Giuseppe Campani (1635–July 28, 1715) was an Italian optician and astronomer who lived in Rome during the latter half of the 17th century. ==Instrument maker== Giuseppe Campani was born in 1635. He was an Umbrian from Castel San Felice near Spoleto. His lenses and telescopes, made in Rome, were sent as far as Florence and Paris. Campani was known as the best maker of optical instruments of his age. His brother, Matteo Campani-Alimenis, and he were experts in grinding and polishing lenses, especially for very long focal length aerial telescope objectives. His brother is also noted as a mechanician for his work on clocks. He was a priest in charge of a parish in Rome. Louis XIV of France ordered several long-focus lenses (86, 100, 136 feet respectively) for the astronomer Giovanni Domenico Cassini. With these Cassini found several moons of the planet Saturn, among other discoveries. Constantijn Huygens, Jr., brother of Christiaan Huygens, acquired one of Campani's telescopes. While in London in 1689 he ordered a new tube for the instrument from the instrument maker John Marshall. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Giuseppe Campani」の詳細全文を読む スポンサード リンク
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