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9 January, 04:33

What part of a refracting telescope would you measure to find the aperture? *

the eyepiece

the body

the large lens

the mirror

+1
Answers (2)
  1. 9 January, 04:38
    0
    Objective

    Optics

    For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope). The larger the aperture, the more light the telescope can gather, and the fainter the limiting magnitude of the instrument.
  2. 9 January, 05:00
    0
    Eyepiece (have a blessed day
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