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it fits snugly over the printing glass. The mask consists of thin metal leaves used to "frame" the negative. These blades make it possible for the prints to have white borders or margins. To produce prints with white borders when using printers that are not equipped with a masking device, you can use hand-cut masks from thin, black paper. is the film base; the dull side is the emulsion side. A safelight shows that the paper has a shiny side and a dull side. In this case, the shiny side is the emulsion side; the dull side is the paper support. Photographic paper normally has a slight curl toward the emulsion side, although this is not true in all cases. paper; that is, they must be emulsion to emulsion. If the negative base is in contact with the paper emulsion, the photograph will be reversed. In some cases, such a picture. of the largest or deepest trays available should be used and conveniently located near the printer. Place an prints are not to be processed after each is exposed. Hold is ready to be processed. If the paper is not stored in a paper box or paper safe, it will eventually fog even under safelight conditions. exposing the edges of the printing paper. When the printer is not equipped with a masking device, make a mask to fit the negative. (Usually proof prints do not require masking.) The material used for masks should be opaque and not much thicker than typing paper. When the masking material is too thick it causes a distinct blurring along the edges of the print image. paper stop forms a square-corner guide for alignment of the printing paper. The paper guide helps you to place the paper evenly and parallel with the opening in the mask, and it helps keep the borders even on the print (fig. 11-4). The corner guide or stops can be quite thick without causing poor contact between the negative and the printing paper during exposure. Some printers are equipped with metal strips, so you can mask the negatives by setting the strips to frame the negative. Basic Photography Course |
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