Schmidt camera optical axis of the Schmidt design creates a Schmidt-Newtonian telescope. The addition of a convex secondary mirror to the Schmidt design directing light through a hole in the primary mirror creates a Schmidt-Cassegrain telescope. The last two designs are popular with telescope manufacturers because they are compact and use simple spherical optics. A short list of notable and/or large aperture Schmidt cameras. 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
Pontifical Gregorian University vast majority of the Church's leading experts hail from the Gregorian; one-third of the current College of Cardinals studied there at one time or another, and more than 900 bishops worldwide are among its 12,000 living alumni. Pontifical Gregorian University The Pontifical Gregorian University (; also known as the Gregoriana) is a higher education ecclesiastical school (pontifical university) located in Rome, Italy. It was originally a part of the Roman College founded in 1551 by Ignatius of Loyola, and included all grades of schooling. The university division of philosophy and theology of the Roman College was given Papal approval in