Question Detail

PHY 104 Refraction Through Lenses and Optical Instruments Objective Question

Question

What is a common solution to correct chromatic aberration in optical instruments?
Options
A Using a single lens with a very large diameter to gather more light.
B Applying digital post-processing filters to adjust color balance.
C Using an achromatic doublet, which is made of lenses of two different materials.
Correct Answer
D Decreasing the f-stop of the lens to reduce the aperture size.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 62 describes the solution: 'Solution: Achromatic doublet, made of lenses of two different materials'. These materials are chosen to have different dispersion properties that cancel out the chromatic effects.

Hint

To correct for color separation caused by one material, you often need another material with complementary properties.

Question Info