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vignetting

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia 0.03 sec.

vignetting

(1) A defect of an optical system in which light at the edges of images is cut off or reduced. It is caused by an obstruction in its original construction; for example, when the elements used in a lens are too small.

(2) A visual effect of darkened corners used to help frame an image or soften the frame outline.


vignetting [vin′yed·iŋ]
(optics)
Reduction in intensity of illumination near the edges of an optical instrument's field of view caused by obstruction of light rays by the edge of the aperture.


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The inherent but variable effects of blur, of bleeding light, of vignetting, and so on function like a blues musician's bent notes and feedback, turning the most straightforward visual riffs into something sly and oblique.
DxO automatic corrections (patent pending) of distortion(1), vignetting and image softness (blur).
DxO is a set of software components that measures and corrects major faults found in imaging devices: Blur, Local Contrast, Distortion, Vignetting, Chromatic aberration, Jpeg artifacts, etc.
 
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