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
Ruth A. M. Schmidt of and sympathetically associated with the Washington Bookshop Association.” Asked what other organizations she belonged to, Schmidt responded:“I have a list—the Washington Association of Scientists, Geological Society of Washington, Paleontological Society of Washington, Society of Economic Paleontologists and Mineralogists (SEPM), American Registry of X-Ray Technicians, Red Cross, Community Chest, Blue Cross, and Sigma Xi.”On January 15, 1951, E. L. Compton, Secretary of Interior Department, sent Schmidt a letter that cleared her, stating that “no reasonable ground exists for believing that you are disloyal to the Government of the United States.” In 1954, Schmidt received another letter from the Department of