maksutov-telescope | space-encyclopedia

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23, May, 2012

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Term	Definition
Maksutov Telescope	A reflecting telescope incorporating a deeply curved meniscus lens, which corrects the optical aberrations of the spherical primary mirror to give high-quality images over a wide field of view. It was invented by D. D. Maksutov 1896-1964. The practical arrangement is typically a Cassegrain system. A small secondary mirror is fixed to the back of the correcting lens and the image is formed just behind the primary mirror, which has a small central hole. The difficulty of making large correcting lenses limits the professional application of the design, but the compactness of the tube, the wide field of view and low focal ratio have made Maksutov telescopes popular with amateurs.

Term

Definition

Maksutov Telescope

A reflecting telescope incorporating a deeply curved meniscus lens, which corrects the optical aberrations of the spherical primary mirror to give high-quality images over a wide field of view. It was invented by D. D. Maksutov 1896-1964. The practical arrangement is typically a Cassegrain system. A small secondary mirror is fixed to the back of the correcting lens and the image is formed just behind the primary mirror, which has a small central hole. The difficulty of making large correcting lenses limits the professional application of the design, but the compactness of the tube, the wide field of view and low focal ratio have made Maksutov telescopes popular with amateurs.