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Lesson 3. Basic Photo Corrections > Resolution for this lesson

Resolution for this lesson

To determine the image resolution for the photograph in this lesson, we followed the computer-graphics rule of thumb for color or grayscale images that are intended for print on large commercial printers: Scan at a resolution 1.5 to 2 times the screen frequency used by the printer. Because the magazine in which the image will be printed uses a screen frequency of 133 lpi, the image was scanned at 200 ppi (133 x 1.5).

For complete information on resolution and image size, see Adobe Photoshop Help.


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