Difference between revisions of "Chromatic aberration"
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Revision as of 17:04, 23 May 2019
Chromatic Aberration is an optical aberration that occurs when light passes through a medium such as a glass lens which causes different wavelengths (colors) of light to focus at different focal lengths and degrades the image.
Refraction
Refraction is the bending of light by passing it through a medium. While the speed of light in a vacuum is approximately 300,000 kilometers per second, when light passes through a medium such as air, water, or glass, it is slowed. Different wavelengths of light, which are perceived by human eyes as colors, are affected to differing amounts. Light with shorter wavelengths, which appears bluer, is bent to a greater degree than is light with a longer, redder, wavelength.
The same phenomenon is what makes a prism
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