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 to Gregorian chant. . Presumably because of the Second Vatican Council, this institute became that same year "Institut de musique liturgique", which in 1968 was finally attached to the Institut catholique de Paris, like other catholic institutes. The Institute also published its newsletter, which distinguished itself by its collaboration in support of the "Revue grégorienne". Gregorian Institute of Paris The Gregorian Institute of Paris was a pedagogical and religious establishment founded in Paris in 1923 having in view the musicianship of Gregorian chant. This institute was created following a Parisian congress devoted to Gregorian chant and sacred music, held in