Chromatic Aberration


What is Chromatic Aberration?

What is Chromatic Aberration?

Also known as color fringing, chromatic aberration occurs when the collective color wavelengths of an image fail to focus on a common plane. The results of chromatic aberration are most noticeable around the edges of high-contrast images, especially toward the edges of the frame. Chromatic aberration is most common on less expensive lenses, although even the best optics can occasionally display lower levels of chromatic aberration, under certain conditions. Another form of chromatic aberration is called ""purple fringing,"" which comprises the purple streaks or halos that often appear within images produced by digital cameras. Purple fringing originates in the light refracted from the light-gathering micro lenses that cap the sensor's pixels. In backlit scenes, this form of purple fringing is commonly called ""blooming.""

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