vignetting

British  

/ vɪˈnjɛtɪŋ /

noun

1. the technique of producing a photographic vignette, esp a portrait, by progressively reducing the amount of light falling on the photographic surface towards the edges

2. the reduction in area of a light beam passing through a camera lens as the obliquity of the beam is increased

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Example Sentences

We sent the picture above to Sony, and Rob Brennan, Product Technology Manager at Sony, told The Verge that “Just from this picture alone, this amount of vignetting is within acceptable tolerances.”

From The Verge • Aug. 4, 2022

Also, there’s some vignetting in the corners and along sections of the edges of my M9 review unit.

From The Verge • Aug. 4, 2022

Specifically, Lodi notes that they can cause issues such as blurring, distortion, and vignetting.

From Slate • May 25, 2018

One last downside: In certain photos, when I adjusted the overall contrast in Photoshop later, I noticed some vignetting — darkened areas at the corners.

From New York Times • Jun. 27, 2012

I saw at once that the peculiarities of the design, of the vignetting, and of the frame, must have instantly dispelled such idea—must have prevented even its momentary entertainment.

From The Works of Edgar Allan Poe — Volume 1 by Willis, Nathaniel Parker