In dictionaries:
corrector plate
time base corrector
Schmidt corrector plate
(astronomy) An aspheric lens that corrects the spherical aberration introduced by the spherical primary mirror of the Schmidt telescope or Schmidt-Cassegrain telescope.
Meniscus corrector
A meniscus corrector is a negative meniscus lens that is used to correct spherical aberration in image-forming optical systems such as catadioptric telescopes.
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