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 mission is often suggested that the Gregorian missionaries introduced the Rule of Saint Benedict into England, there is no supporting evidence. The early archbishops at Canterbury claimed supremacy over all the bishops in the British Isles, but their claim was not acknowledged by most of the rest of the bishops. The Gregorian missionaries appear to have played no part in the conversion of the West Saxons, who were converted by a missionary sent directly by Pope Honorius I. Neither did they have much lasting influence in Northumbria, where after Edwin's death the conversion of the Northumbrians was achieved by missionaries from