Which type of telescope uses a lens as the MAIN optical element?
A) a radio telescope
B) a Newtonian telescope
C) a Cassegrain telescope
D) a refracting telescope

Question

Quizplus · Accepted Answer

Refracting telescopes use a lens as the main optical element to bend and focus the incoming light onto the eyepiece or camera. The other options use different types of mirrors as the main optical element.

Which Type of Telescope Uses a Lens as the MAIN