A particular telescope is set up to use the coudé focus.Which arrangement of mirrors is used to bring the light to this focus?
A) a curved primary mirror followed by a series of plane and curved mirrors that channel the light to a remote and fixed location
B) a concave primary mirror followed by a convex secondary mirror that reflects light through a hole in the primary mirror
C) a concave primary mirror followed by a concave secondary mirror that reflects light through a hole in the primary mirror
D) a concave primary mirror and a flat, diagonal secondary mirror mounted at a 45° angle to the telescope axis

Question

Quizplus · Accepted Answer

The coudé focus uses a curved primary mirror followed by a series of plane and curved mirrors to direct the light to a fixed location, often outside the telescope structure.

A Particular Telescope Is Set Up to Use the Coudé