<p>The graphics design types who contact me specifying dpi should know better, that photographers deal in ppi, not dpi. I simply give them the pixel dimensions and let them figure whether it'll work for them. I used to sweat it the way the OP did in this case, NO MORE!</p>
how do i convert ppi to dpi for professional printer?
in The Digital Darkroom: Process, Technique & Printing
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