An achromatic lens
A)is used to correct spherical aberration in reflecting telescopes.
B)is used to correct chromatic aberration in refracting telescopes.
C)is used to correct spherical aberration in refracting telescopes.
D)is used to correct chromatic aberration in reflecting telescopes.
E)contains two mirrors and focuses the light back through the primary mirror.

Question

Quizplus · Accepted Answer

An achromatic lens is a special type of lens made up of two or more lenses with different types of glass that are designed to reduce chromatic aberration, which is a distortion of color that occurs when different wavelengths of light bend at different angles as they pass through a lens. This type of lens is commonly used in refracting telescopes to make the image appear sharper and more focused.

An Achromatic Lens