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What is the minimum image resolution (dots or pixels per inch, also known as dpi or ppi ) for electronic raster image files?

April 26, 2017dots DPI electronic image inch known minimum pixels PPI resolution

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What is the minimum image resolution (dots or pixels per inch, also known as dpi or ppi ) for electronic raster image files?

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266 dpi or ppi for color and black-and-white raster images or halftones (this refers to continuous tone images containing gradations of colors or shades of gray, such as photomicrographs and radiographic images). They should also be at least 4 in wide for half-page figures and 6.5 in wide for full-page figures. The minimum width for figures is 3 in.