Schmidt camera Schmidt camera A Schmidt camera, also referred to as the Schmidt telescope, is a catadioptric astrophotographic telescope designed to provide wide fields of view with limited aberrations. The design was invented by Bernhard Schmidt in 1930. Some notable examples are the Samuel Oschin telescope (formerly Palomar Schmidt), the UK Schmidt Telescope and the ESO Schmidt; these provided the major source of all-sky photographic imaging from 1950 until 2000, when electronic detectors took over. A recent example is the Kepler spacecraft exoplanet finder. Other related designs are the Wright Camera and Lurie–Houghton telescope. The Schmidt camera was invented by German-Estonian optician
Gregorian Institute of Paris advantage of its newsletter, from which some of the elements were taken up by the journal. The director of the magazine was the first teacher of Gregorian chant, Dom Gajard. It was thanks in particular to the dynamism of his teacher Auguste Le Guennant, who helped restore several journals, despite a difficult period after the war. By promoting many Gregorian teachings such as Gregorian sessions, he turned his institute into a true Gregorian pedagogical centre. When they arrived in Rome in April 1964, the delegates of the Institute and its schola were congratulated by Pope Pius VI for their contribution