Photography. a device for blurring the edges of a photographic image so as to fade them into a plain surrounding area.
a vignettist.

Origin of vignetter

First recorded in 1870–75; vignette + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vignetter

Historical Examples of vignetter