Some telescopes, called refracting telescopes, collect and focus light through a glass lens.
(Some telescopes; called; refracting telescopes) (Some telescopes, called refracting telescopes; collect; ) (Some telescopes, called refracting telescopes; focus; light; through a glass lens)
Some telescopes Some telescopes, called refracting telescopes Some telescopes, called refracting telescopes
called collect focus
refracting telescopes
light through a glass lens