![]() ![]() Move the opaque material down to uncover another strip and make another exposure.Ĭontinue this process until there is a series of increasing exposures extending across the junction between transparency material and no material.ĭevelop the test sheet and dry it. Place a sheet of opaque material so it covers both halves and leaves a strip exposed at the top. ![]() Place a sheet of transparency material on top to cover half of the paper. The aim is to determine the minimum UV exposure needed to obtain maximum black when printing through the transparency material on which the negative is printed.Ĭoat a half-sheet of paper with the light sensitive emulsion of choice.
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