In halftone photography, a grid (usually made of glass) comprising opaque lines which form transparent squares, used to convert a continuous-tone image to a halftone. See Halftone. Also known as a glass screen.
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In halftone photography, a grid (usually made of glass) comprising opaque lines which form transparent squares, used to convert a continuous-tone image to a halftone. See Halftone. Also known as a glass screen.