Maksutov Spot Cassegrain
Maksutov may refer to: * Maksutov telescope, a catadioptric telescope with a meniscus corrector . * Dmitry Dmitrievich Maksutov (1896–1964), Russian optical engineer, inventor of the Maksutov telescope * Maksutov (crater), a lunar crater named after Dmitry Dmitrievich Maksutov * 2568 Maksutov, a main-belt asteroid named after Dmitry Dmitrievich Maksutov See also * Maksutov (surname) Maksutov (russian: Максутов) is a Russian masculine surname, its feminine counterpart is Maksutova. It may refer to * Dmitri Dmitrievich Maksutov (1896–1964), Russian optician and astronomer * Dmitri Petrovich Maksutov (1832–1889), Impe ...

Maksutov Telescope
The Maksutov (also called a "Mak") is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly "spherically symmetrical". The negative lens is usually full diameter and placed at the entrance pupil of the telescope (commonly called a "corrector plate" or "meniscus corrector shell"). The design corrects the problems of off-axis aberrations such as coma found in reflecting telescopes while also correcting chromatic aberration. It was patented in 1941 by Russian optician Dmitri Dmitrievich Maksutov. Maksutov based his design on the idea behind the Schmidt camera of using the spherical errors of a negative lens to correct the opposite errors in a spherical primary mirror. The design is most commonly seen in a Cassegrain variation, with an integrated secondary, that can use all-spherical elements, thereby simplifying fabrication. Maksutov telescopes have been sold on the ama ...
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Dmitry Dmitrievich Maksutov
Dmitry Dmitrievich Maksutov (russian: Дми́трий Дми́триевич Максу́тов) ( – 12 August 1964) was a Russian / Soviet optical engineer and amateur astronomer. He is best known as the inventor of the Maksutov telescope. Biography Dmitry Dmitriyevich Maksutov was born in 1896 in either Nikolayev or the port city of Odessa, Russian Empire. His father, was a naval officer serving with the Black Sea Fleet, who came from a family with a long and distinguished naval tradition. His great-grandfather, Peter Ivanovich Maksutov, was given the title of prince, thereby raising the family to hereditary nobility as a reward for bravery in combat. His grandfather, Dmitri Petrovich Maksutov, was the last Russian governor of Russian Alaska, before it was purchased by the United States in 1867. Dmitri became interested in astronomy in early childhood, and constructed his first telescope (a 7.2 inch / 180 mm reflector) when he was twelve years old. Later he read ...
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Maksutov (crater)
Maksutov is a crater on the far side of the Moon. It is located just to the south-southwest of the larger walled plain Oppenheimer. To the southwest lies the crater Nishina, and to the west-northwest is the merged crater pairing of Davisson and Leibnitz. This crater has a reasonably well-defined outer rim that has not been significantly degraded through impact erosion. The more notable feature of this crater, however, is the flooded interior floor. This nearly level interior surface has the lower albedo that is characteristic of a basaltic-lava-covered floor. The inner wall of the rim varies in width, with the narrowest portion lying in the southeast, while wider sections lie along the remaining edges, particularly to the northeast and northwest. The depth of the crater here is defined as the distance between the highest point on the rim to the lowest area of the crater floor, not including the floor's impact craters. Prior to formal naming in 1970 by the IAU The Internat ...
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2568 Maksutov
__NOTOC__ Year 568 ( DLXVIII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 568 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Europe * Spring – The Lombards, led by King Alboin, cross the Julian Alps. Their invasion of Northern Italy is almost unopposed; withered Byzantine forces, that remain in the Po Valley and are based at Ravenna, are no match for the overwhelming Lombard incursion. Residents of the Italian countryside flee at the Lombards' approach. Some retreat to the barrier islands along the shore of the Northern Adriatic Sea, where they establish permanent settlements: the nascent city of Venice. * The Byzantines abandon present-day Lombardy and Tuscany, to establish a frontier march in the hills south of Ravenna (still known as ''Le Marche''). Bavarians, Sarmatians, S ...
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