vbl. sb. [f. VIGNETTE v.] The action or process of producing vignettes, esp. in photography.

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1885.  Pall Mall G., 7 May, 11/2. The vignetting is, without doubt, the most difficult form of printing.

2

1889.  Anthony’s Photogr. Bull., II. 227. Generally, unless vignetting is desired, the background may be made of hangings of some rough material, absorbent of light.

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  b.  attrib., as vignetting glass, mask, table, etc.

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1889.  Anthony’s Photogr. Bull., II. 261. For quarter-plates and half-plates, the vignetting mask should be about three-quarters of an inch from the negative.

5

1892.  Photogr. Ann., II. p. clxxix. Vignetting Glasses. Ibid., 486. Revolving Vignetting Table.

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