Chromatic Aberration

 

Chromatic Aberration
Chromatic Aberration


When light hits a lens, the components of the light refract through different angles, owing to their unique wavelengths. 

The blue light, for instance, refracts more than the red light; the wave length of the former is smaller than that of the latter.

Chromatic Aberration - credit Wikipedia




 

 

Due to chromatic aberration, the image formed by a thick lens becomes distorted. Therefore, it has to be dealt with in optical instruments such as microscopes and telescopes.

In order to address the issue, manufactures, such as Olympus, of optical instruments use combined lenses instead of single lenses in them - as shown in the above animation.

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