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Understanding Photoshop is a biweekly column that takes an in-depth look at how digital photographs are built and manipulated.  It is a college-level course in plain english for free at Photofocus.  To learn more see this article. Don’t Skip Column 1 OK, prepare to be temporarily confused (but not for long). A lot of terms are used […]

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Output resolution, i.e., PPI, DPI and LPI is commonly misunderstood. Here is a short, non-technical, non-scientific, simple explanation. Terms like PPI, DPI and LPI are used to determine the difference in how resolution is measured depending on device. Many times you will incorrectly hear them used interchangeably. The Byzantine jumble of acronyms and jargon that […]

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