Maksutov telescope

American  

[mak-soo-tawf, -tof] / ˈmæk sʊˌtɔf, -ˌtɒf /

noun

1. a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.

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Etymology

Origin of Maksutov telescope

After Russian opticist Dmitriĭ Dmitrievich Maksutov (1896–1964), who designed such a telescope in 1941