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 The Vartan Gregorian Elementary School in the Fox Point neighborhood of Providence, Rhode Island, is named for Gregorian. Vartan Gregorian has received more than 70 honorary degrees. Below is a partial list. Gregorian has three sons, Vahé, Raffi, and Dareh. He was married to Clare Russell Gregorian from 1960 until her death in 2018. Vartan Gregorian Vartan Gregorian (; , born April 8, 1934) is an Iranian-born Armenian-American academic, serving as the president of Carnegie Corporation of New York. Gregorian came to the United States in 1956 as a freshman, attending Stanford University, where he completed his B.A., with honors,