Maksutov telescope

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

noun

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.

Origin of Maksutov telescope

after Russian opticist Dmitriĭ Dmitrievich Maksutov (1896–1964), who designed such a telescope in 1941
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019