If a person wants to build a telescope having the LEAST possible amount of chromatic aberration, one should use
A) a front lens that has been coated with a special material to reduce refraction.
B) a front lens that is composed of two closely spaced lenses made of different kinds of glass.
C) the thinnest front lens that one can obtain.
D) mirrors instead of lenses.

Question

Quizplus · Accepted Answer

Mirrors, unlike lenses, do not suffer from chromatic aberration because all wavelengths of light are reflected in the same manner, eliminating the issue of different colors focusing at different points.

If a Person Wants to Build a Telescope Having the LEAST