Refracting Telescopes Refracting telescopes use a large objective lens as their primary light-collecting element.
(Refracting Telescopes Refracting telescopes; use; a large objective lens; as their primary light-collecting element) Context(Refracting Telescopes Refracting telescopes use,List([0, 47))):(Refracting Telescopes; Refracting; telescopes)
Refracting Telescopes Refracting telescopes use,List([0, 47))
Refracting Telescopes Refracting telescopes Refracting Telescopes
use Refracting
a large objective lens as their primary light-collecting element
telescopes