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Offset Lithography

Offset Lithography. Stone Lithography: drawing with a litho crayon. Offset Lithography. Stone Lithography: rolling on the ink. More about inking a plate: http://entertainment.howstuffworks.com/stone-lithography5.htm. Offset Lithography.

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Offset Lithography

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  1. Offset Lithography Stone Lithography: drawing with a litho crayon

  2. Offset Lithography Stone Lithography: rolling on the ink More about inking a plate: http://entertainment.howstuffworks.com/stone-lithography5.htm

  3. Offset Lithography Stone Lithography: multiple colors on separate plates violet brown Each plate is drawn and aligned by hand.

  4. Offset Lithography Stone Lithography: multiple colors on separate plates grey tint orange

  5. Offset Lithography Stone Lithography: multiple colors on separate plates deep grey mid grey

  6. Offset Lithography Stone Lithography: multiple colors on separate plates brown The Finished Print

  7. Offset Lithography Stone Lithography: a small contemporary press

  8. Offset Lithography Stone Lithography: a larger press

  9. Offset Lithography Offset Lithography: printer’s marks A. Star target B. Registration mark C. Page information D. Trim marks E. Color bar F. Tint bar

  10. Offset Lithography Offset Lithography: color separations Composite image printed on a color laser printer compared to four-color separations printed on an imagesetter.

  11. Offset Lithography Offset Lithography: raster image processing (RIP) software Raster Image Processing: the process and the means of turning vector digital information such as a PostScript file into a high-resolution raster image, and preparing color separations for plates.

  12. Offset Lithography Offset Lithography: platesetter A platesetter (or imagesetter) is a machine which receives a raster image from a raster image processor and in turn, creates a lithographic plate suitable for use on an offset press.

  13. Offset Lithography Offset Lithography: polyester lithographic plate

  14. Offset Lithography Offset Lithography: cylinders

  15. Offset Lithography Offset Lithography: cylinders

  16. Offset Lithography Offset Lithography: 2-color press

  17. Offset Lithography Offset Lithography: 4-color press

  18. Offset Lithography Offset Lithography: web press

  19. Offset Lithography Offset Lithography: photo of the offset rollers

  20. Offset Lithography Offset Lithography: halftone greyscale in halftone, AKA screens

  21. Offset Lithography Offset Lithography: halftone angles

  22. Offset Lithography Offset Lithography: halftone printed photograph in glossy magazine

  23. Offset Lithography Offset Lithography: halftone zoom in

  24. Offset Lithography Offset Lithography: halftone zoom in to see rosettes

  25. Offset Lithography Offset Lithography: spot colors

  26. Offset Lithography Offset Lithography: spot colors

  27. Offset Lithography Offset Lithography: 6-color press

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