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
Vartan Gregorian in Tabriz at the time, suggested to Gregorian that he ought to go to Beirut, Lebanon to continue his education and provided him with three letters of introduction: one to the head of the Lebanese Internal Security Agency, one to the Collège Arménien, the lycée that admitted him as a student, and one to a hotel where he could stay. Gregorian also did chores for another individual in Tabriz, an optometrist named Hrayr Stepanian, who eventually helped Gregorian obtain his passport to get to Lebanon: What Gregorian and his benefactors had not thoroughly planned for was his daily expenses, so