The orientation of the artist’s drawing, plate, and final print, therefore, are all the same.Ĭommon among almost all forms of color printmaking is the need to separate the individual colors in an image before printing. Most prints are reversed when printing, but Delsarte’s photolithographs were printed on an offset press, which reverses the image twice. Finally, the plate was inked and printed in red. After the plate was developed, the green emulsion remaining on the aluminum lithographic plate duplicated the original image on translucent film.
Then I exposed that positive image to the photolithographic plate and developed the image with a chemical solution. First, I made the image on translucent film with materials such as ink washes, pen and pencil marks, and collaged strips. To illustrate the steps of the photolithographic process, I (Christina) created a mock-up using some of Delsarte’s techniques. When printing, the ink (which can be any color) will stick to the material on the plate and transfer to the paper when run through the printing press. The plate is then developed in a chemical solution that dissolves the areas that were exposed, and the material remaining on the plate is a duplication of the artist’s drawing. Once the artist completes the drawing, the film is placed in contact with the photolithographic plate and exposed to light.
Media that are opaque will block the most light and will ultimately print very dark media that are more gradated or faintly applied will result in more tonal or lighter passages in the print. The opacity of the drawing media an artist chooses is very important. It’s done this way because during the exposure process, light needs to pass through the film-much like a photographic negative-to react with the photosensitive material on the plate. To make a photolithograph, an artist creates their drawing or image on a transparent or translucent film. After the images are complete, the printing process is the same for both traditional lithographs and photolithographs. The image is exposed to a plate that has been coated with a photosensitive material that will permanently fix the image to the surface when developed. A photolithograph differs by transferring the image to a plate through a photographic process. What Is a Photolithograph and How Is It Made?Ī traditional lithograph is made by drawing an image directly on a plate or stone.
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