Refractor (or Refracting Telescope) A telescope that uses an objective lens to gather in light and form an image.
(A telescope; to gather; L:in light) (A telescope; uses; an objective lens; to gather in light and form an image) Context(A telescope uses,List([36, 57))):(A telescope; uses an objective lens to form; an image)
A telescope uses,List([36, 57))
A telescope A telescope A telescope
to gather uses uses an objective lens to form
L:in light
an objective lens to gather in light and form an image
an image