11/27/2023 0 Comments Parts of a telescope quizlitField lens: A correcting lens placed just before the image plane of a telescope.Subsequent (sometimes optional) components realign, segment, or in some way modify the light of an incoming image: These can be just a small version of the corrector plate, but since they are usually used in a Cassegrain configuration in front of the secondary mirror they require additional modification since the light passes through them twice. Sub-aperture corrector: One or a series of corrective lens (sometimes combined with a corrective curved mirror) placed after (near the focus) a primary mirror designed to correct the optical aberrations of the mirror.Focusing mask: A full aperture mask temporarily placed before the primary mirror to aid in focusing the telescope.Meniscus corrector: A meniscus-shaped corrector plate usually used in the Maksutov telescope.Schmidt corrector plate: An aspheric-shaped corrector plate used in the Schmidt telescope.Corrector plate: A full aperture negative lens placed before a primary mirror designed to correct the optical aberrations of the mirror.Primary mirror: The objective of a reflecting telescope.Primary lens: The objective of a refracting telescope.Objective: The first lens or curved mirror that collects and focuses the incoming light.Mirrors and lenses are the critical light-bending components of a telescope.
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