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Сообщение от NATA NOVA
Why? Stop and 4! (what aesthetic neobhodimist if enough chatyreh?)
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NATA NOVA, you are silkscreened with the offset will not be confused by chance? This is in offset printing all color shades are transmitted four colors, as used for the halftone grid. At the same silk-screen grid is almost never used (although this is partly possible, but with a fairly significant limitations). 64 colors is used to transfer colors and halftones.
Incidentally, even in offset printing, there is not a 4, and 7 colors - to obtain higher quality images with high color gamut (color range) and high color saturation. True, there are serious difficulties with separations under the seven-color printing, this requires special software which is developed and comes with a seven-printing equipment for printing. That is, color separations for a print in the usual way in Photoshop is not done. The same, incidentally, and 64-color silk-screen printing - for color separation used specialized software, very expensive.