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Why does chromatic aberration occur?

Please explain in three content-related sentences. (ref: p.500-507)


Sagot :

Final answer:

Chromatic aberration arises from the variation in a lens's refractive index with color, leading to different focal points for different colors.


Explanation:

Chromatic aberration occurs due to the dependence of a lens's index of refraction on color (wavelength), causing each color to have a different focal point. This results in images with different locations and magnifications for different colors. Multiple-lens systems can partially correct chromatic aberrations, but it may require lenses of different materials and increase the expense of optical systems.


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