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
Carl E. and Alice Candler Schmidt House father. Schmidt worked in his father's firm, which exported skins, furs, and wool, until the latter's death in 1897; soon after, he opened an independent tannery under the name Carl E. Schmidt & Company, located in what is now Trapper's Alley on Monroe. Schmidt was active in politics, serving as a member of the Detroit Board of Police Commissioners, the state board of arbitration and mediation, and the state board of forest inquiry. He was for some time a close friend and political advisor to Hazen Pingree, who served as both mayor of Detroit and governor of Michigan. In 1880,