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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. For more on this subject, see the explora article, ://www.bhphotovideo.com/explora/photography/tips-and-solutions/optical-anomalies-and-lens-corrections-explained Optical Anomalies and Lens Corrections Explained.

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chromatic aberration

Color fringing that occurs when a lens does not focus different wavelengths (colors) of light equally.
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chromatic aberration

Also known as purple fringing. It is fairly common in 2MP digital cameras and above, especially if they have long telephoto lenses. You can see it when a dark area is surrounded by a highlight. In between the dark and light, you may see a band of purple pixels that shouldn’t be there. There are ways of removing this which I have covered in the Photoshop section.
allthingsphotography

chromatic aberration

A fringing effect around the edges, which is caused by lens not focusing correctly
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chromatic aberration

Chromatic aberration, also called colour fringing or purple fringing, is caused by a lens not focusing different wavelengths of light onto the precise same focal plane and/or by a lens rendering a different magnification each of different wavelengths. These two different types of chromatic aberration can both occur in one and the same image. Chromatic aberration can be seen as colour fringing around the boundaries that separate dark and bright parts of the image. It most frequently occurs around the edges of the image, especially in wide angle shots. Despite begin called colour fringing or purple fringing, chromatic aberration can also affect black and white photography. Although a black and white image obviously has no colours in it, chromatic aberration can blur the image.
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chromatic aberration

Common lens problem where different colors/wavelengths of light focus at different locations, appears as color fringes or halos in image.
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