Chromatic aberration is the failure of a telescope objective to bring all colors of light to the same focus and appears in:
A) only a reflecting telescope.
B) both reflecting and refracting telescopes.
C) all telescopes because it is caused by a basic property of light.
D) only a refracting telescope.

Question

Quizplus · Accepted Answer

Chromatic aberration is a common problem for refracting telescopes because the objective lens they use bends different colors of light at slightly different angles, causing them to focus at different points. Reflector telescopes are not affected by chromatic aberration because they use mirrors instead of lenses to focus light.

Chromatic Aberration Is the Failure of a Telescope Objective to Bring